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libuv 1.44.0

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3856 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2022-03-07 21:34:07 +00:00
parent b488db9137
commit 41cabad264
81 changed files with 2216 additions and 2026 deletions
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713
deps/libuv/src/unix/android-ifaddrs.c vendored
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@ -1,713 +0,0 @@
/*
Copyright (c) 2013, Kenneth MacKay
Copyright (c) 2014, Emergya (Cloud4all, FP7/2007-2013 grant agreement #289016)
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "uv/android-ifaddrs.h"
#include "uv-common.h"
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <sys/socket.h>
#include <net/if_arp.h>
#include <netinet/in.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/if_packet.h>
typedef struct NetlinkList
{
struct NetlinkList *m_next;
struct nlmsghdr *m_data;
unsigned int m_size;
} NetlinkList;
static int netlink_socket(pid_t *p_pid)
{
struct sockaddr_nl l_addr;
socklen_t l_len;
int l_socket = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if(l_socket < 0)
{
return -1;
}
memset(&l_addr, 0, sizeof(l_addr));
l_addr.nl_family = AF_NETLINK;
if(bind(l_socket, (struct sockaddr *)&l_addr, sizeof(l_addr)) < 0)
{
close(l_socket);
return -1;
}
l_len = sizeof(l_addr);
if(getsockname(l_socket, (struct sockaddr *)&l_addr, &l_len) < 0)
{
close(l_socket);
return -1;
}
*p_pid = l_addr.nl_pid;
return l_socket;
}
static int netlink_send(int p_socket, int p_request)
{
char l_buffer[NLMSG_ALIGN(sizeof(struct nlmsghdr)) + NLMSG_ALIGN(sizeof(struct rtgenmsg))];
struct nlmsghdr *l_hdr;
struct rtgenmsg *l_msg;
struct sockaddr_nl l_addr;
memset(l_buffer, 0, sizeof(l_buffer));
l_hdr = (struct nlmsghdr *)l_buffer;
l_msg = (struct rtgenmsg *)NLMSG_DATA(l_hdr);
l_hdr->nlmsg_len = NLMSG_LENGTH(sizeof(*l_msg));
l_hdr->nlmsg_type = p_request;
l_hdr->nlmsg_flags = NLM_F_ROOT | NLM_F_MATCH | NLM_F_REQUEST;
l_hdr->nlmsg_pid = 0;
l_hdr->nlmsg_seq = p_socket;
l_msg->rtgen_family = AF_UNSPEC;
memset(&l_addr, 0, sizeof(l_addr));
l_addr.nl_family = AF_NETLINK;
return (sendto(p_socket, l_hdr, l_hdr->nlmsg_len, 0, (struct sockaddr *)&l_addr, sizeof(l_addr)));
}
static int netlink_recv(int p_socket, void *p_buffer, size_t p_len)
{
struct sockaddr_nl l_addr;
struct msghdr l_msg;
struct iovec l_iov;
l_iov.iov_base = p_buffer;
l_iov.iov_len = p_len;
for(;;)
{
int l_result;
l_msg.msg_name = (void *)&l_addr;
l_msg.msg_namelen = sizeof(l_addr);
l_msg.msg_iov = &l_iov;
l_msg.msg_iovlen = 1;
l_msg.msg_control = NULL;
l_msg.msg_controllen = 0;
l_msg.msg_flags = 0;
l_result = recvmsg(p_socket, &l_msg, 0);
if(l_result < 0)
{
if(errno == EINTR)
{
continue;
}
return -2;
}
/* Buffer was too small */
if(l_msg.msg_flags & MSG_TRUNC)
{
return -1;
}
return l_result;
}
}
static struct nlmsghdr *getNetlinkResponse(int p_socket, pid_t p_pid, int *p_size, int *p_done)
{
size_t l_size = 4096;
void *l_buffer = NULL;
for(;;)
{
int l_read;
uv__free(l_buffer);
l_buffer = uv__malloc(l_size);
if (l_buffer == NULL)
{
return NULL;
}
l_read = netlink_recv(p_socket, l_buffer, l_size);
*p_size = l_read;
if(l_read == -2)
{
uv__free(l_buffer);
return NULL;
}
if(l_read >= 0)
{
struct nlmsghdr *l_hdr;
for(l_hdr = (struct nlmsghdr *)l_buffer; NLMSG_OK(l_hdr, (unsigned int)l_read); l_hdr = (struct nlmsghdr *)NLMSG_NEXT(l_hdr, l_read))
{
if((pid_t)l_hdr->nlmsg_pid != p_pid || (int)l_hdr->nlmsg_seq != p_socket)
{
continue;
}
if(l_hdr->nlmsg_type == NLMSG_DONE)
{
*p_done = 1;
break;
}
if(l_hdr->nlmsg_type == NLMSG_ERROR)
{
uv__free(l_buffer);
return NULL;
}
}
return l_buffer;
}
l_size *= 2;
}
}
static NetlinkList *newListItem(struct nlmsghdr *p_data, unsigned int p_size)
{
NetlinkList *l_item = uv__malloc(sizeof(NetlinkList));
if (l_item == NULL)
{
return NULL;
}
l_item->m_next = NULL;
l_item->m_data = p_data;
l_item->m_size = p_size;
return l_item;
}
static void freeResultList(NetlinkList *p_list)
{
NetlinkList *l_cur;
while(p_list)
{
l_cur = p_list;
p_list = p_list->m_next;
uv__free(l_cur->m_data);
uv__free(l_cur);
}
}
static NetlinkList *getResultList(int p_socket, int p_request, pid_t p_pid)
{
int l_size;
int l_done;
NetlinkList *l_list;
NetlinkList *l_end;
if(netlink_send(p_socket, p_request) < 0)
{
return NULL;
}
l_list = NULL;
l_end = NULL;
l_done = 0;
while(!l_done)
{
NetlinkList *l_item;
struct nlmsghdr *l_hdr = getNetlinkResponse(p_socket, p_pid, &l_size, &l_done);
/* Error */
if(!l_hdr)
{
freeResultList(l_list);
return NULL;
}
l_item = newListItem(l_hdr, l_size);
if (!l_item)
{
freeResultList(l_list);
return NULL;
}
if(!l_list)
{
l_list = l_item;
}
else
{
l_end->m_next = l_item;
}
l_end = l_item;
}
return l_list;
}
static size_t maxSize(size_t a, size_t b)
{
return (a > b ? a : b);
}
static size_t calcAddrLen(sa_family_t p_family, int p_dataSize)
{
switch(p_family)
{
case AF_INET:
return sizeof(struct sockaddr_in);
case AF_INET6:
return sizeof(struct sockaddr_in6);
case AF_PACKET:
return maxSize(sizeof(struct sockaddr_ll), offsetof(struct sockaddr_ll, sll_addr) + p_dataSize);
default:
return maxSize(sizeof(struct sockaddr), offsetof(struct sockaddr, sa_data) + p_dataSize);
}
}
static void makeSockaddr(sa_family_t p_family, struct sockaddr *p_dest, void *p_data, size_t p_size)
{
switch(p_family)
{
case AF_INET:
memcpy(&((struct sockaddr_in*)p_dest)->sin_addr, p_data, p_size);
break;
case AF_INET6:
memcpy(&((struct sockaddr_in6*)p_dest)->sin6_addr, p_data, p_size);
break;
case AF_PACKET:
memcpy(((struct sockaddr_ll*)p_dest)->sll_addr, p_data, p_size);
((struct sockaddr_ll*)p_dest)->sll_halen = p_size;
break;
default:
memcpy(p_dest->sa_data, p_data, p_size);
break;
}
p_dest->sa_family = p_family;
}
static void addToEnd(struct ifaddrs **p_resultList, struct ifaddrs *p_entry)
{
if(!*p_resultList)
{
*p_resultList = p_entry;
}
else
{
struct ifaddrs *l_cur = *p_resultList;
while(l_cur->ifa_next)
{
l_cur = l_cur->ifa_next;
}
l_cur->ifa_next = p_entry;
}
}
static int interpretLink(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList)
{
struct ifaddrs *l_entry;
char *l_index;
char *l_name;
char *l_addr;
char *l_data;
struct ifinfomsg *l_info = (struct ifinfomsg *)NLMSG_DATA(p_hdr);
size_t l_nameSize = 0;
size_t l_addrSize = 0;
size_t l_dataSize = 0;
size_t l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifinfomsg));
struct rtattr *l_rta;
for(l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize))
{
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
switch(l_rta->rta_type)
{
case IFLA_ADDRESS:
case IFLA_BROADCAST:
l_addrSize += NLMSG_ALIGN(calcAddrLen(AF_PACKET, l_rtaDataSize));
break;
case IFLA_IFNAME:
l_nameSize += NLMSG_ALIGN(l_rtaSize + 1);
break;
case IFLA_STATS:
l_dataSize += NLMSG_ALIGN(l_rtaSize);
break;
default:
break;
}
}
l_entry = uv__malloc(sizeof(struct ifaddrs) + sizeof(int) + l_nameSize + l_addrSize + l_dataSize);
if (l_entry == NULL)
{
return -1;
}
memset(l_entry, 0, sizeof(struct ifaddrs));
l_entry->ifa_name = "";
l_index = ((char *)l_entry) + sizeof(struct ifaddrs);
l_name = l_index + sizeof(int);
l_addr = l_name + l_nameSize;
l_data = l_addr + l_addrSize;
/* Save the interface index so we can look it up when handling the
* addresses.
*/
memcpy(l_index, &l_info->ifi_index, sizeof(int));
l_entry->ifa_flags = l_info->ifi_flags;
l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifinfomsg));
for(l_rta = IFLA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize))
{
void *l_rtaData = RTA_DATA(l_rta);
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
switch(l_rta->rta_type)
{
case IFLA_ADDRESS:
case IFLA_BROADCAST:
{
size_t l_addrLen = calcAddrLen(AF_PACKET, l_rtaDataSize);
makeSockaddr(AF_PACKET, (struct sockaddr *)l_addr, l_rtaData, l_rtaDataSize);
((struct sockaddr_ll *)l_addr)->sll_ifindex = l_info->ifi_index;
((struct sockaddr_ll *)l_addr)->sll_hatype = l_info->ifi_type;
if(l_rta->rta_type == IFLA_ADDRESS)
{
l_entry->ifa_addr = (struct sockaddr *)l_addr;
}
else
{
l_entry->ifa_broadaddr = (struct sockaddr *)l_addr;
}
l_addr += NLMSG_ALIGN(l_addrLen);
break;
}
case IFLA_IFNAME:
strncpy(l_name, l_rtaData, l_rtaDataSize);
l_name[l_rtaDataSize] = '\0';
l_entry->ifa_name = l_name;
break;
case IFLA_STATS:
memcpy(l_data, l_rtaData, l_rtaDataSize);
l_entry->ifa_data = l_data;
break;
default:
break;
}
}
addToEnd(p_resultList, l_entry);
return 0;
}
static struct ifaddrs *findInterface(int p_index, struct ifaddrs **p_links, int p_numLinks)
{
int l_num = 0;
struct ifaddrs *l_cur = *p_links;
while(l_cur && l_num < p_numLinks)
{
char *l_indexPtr = ((char *)l_cur) + sizeof(struct ifaddrs);
int l_index;
memcpy(&l_index, l_indexPtr, sizeof(int));
if(l_index == p_index)
{
return l_cur;
}
l_cur = l_cur->ifa_next;
++l_num;
}
return NULL;
}
static int interpretAddr(struct nlmsghdr *p_hdr, struct ifaddrs **p_resultList, int p_numLinks)
{
struct ifaddrmsg *l_info = (struct ifaddrmsg *)NLMSG_DATA(p_hdr);
struct ifaddrs *l_interface = findInterface(l_info->ifa_index, p_resultList, p_numLinks);
size_t l_nameSize = 0;
size_t l_addrSize = 0;
int l_addedNetmask = 0;
size_t l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifaddrmsg));
struct rtattr *l_rta;
struct ifaddrs *l_entry;
char *l_name;
char *l_addr;
for(l_rta = IFA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize))
{
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
if(l_info->ifa_family == AF_PACKET)
{
continue;
}
switch(l_rta->rta_type)
{
case IFA_ADDRESS:
case IFA_LOCAL:
l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize));
if((l_info->ifa_family == AF_INET || l_info->ifa_family == AF_INET6) && !l_addedNetmask)
{
/* Make room for netmask */
l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize));
l_addedNetmask = 1;
}
break;
case IFA_BROADCAST:
l_addrSize += NLMSG_ALIGN(calcAddrLen(l_info->ifa_family, l_rtaDataSize));
break;
case IFA_LABEL:
l_nameSize += NLMSG_ALIGN(l_rtaDataSize + 1);
break;
default:
break;
}
}
l_entry = uv__malloc(sizeof(struct ifaddrs) + l_nameSize + l_addrSize);
if (l_entry == NULL)
{
return -1;
}
memset(l_entry, 0, sizeof(struct ifaddrs));
l_entry->ifa_name = (l_interface ? l_interface->ifa_name : "");
l_name = ((char *)l_entry) + sizeof(struct ifaddrs);
l_addr = l_name + l_nameSize;
l_entry->ifa_flags = l_info->ifa_flags;
if(l_interface)
{
l_entry->ifa_flags |= l_interface->ifa_flags;
}
l_rtaSize = NLMSG_PAYLOAD(p_hdr, sizeof(struct ifaddrmsg));
for(l_rta = IFA_RTA(l_info); RTA_OK(l_rta, l_rtaSize); l_rta = RTA_NEXT(l_rta, l_rtaSize))
{
void *l_rtaData = RTA_DATA(l_rta);
size_t l_rtaDataSize = RTA_PAYLOAD(l_rta);
switch(l_rta->rta_type)
{
case IFA_ADDRESS:
case IFA_BROADCAST:
case IFA_LOCAL:
{
size_t l_addrLen = calcAddrLen(l_info->ifa_family, l_rtaDataSize);
makeSockaddr(l_info->ifa_family, (struct sockaddr *)l_addr, l_rtaData, l_rtaDataSize);
if(l_info->ifa_family == AF_INET6)
{
if(IN6_IS_ADDR_LINKLOCAL((struct in6_addr *)l_rtaData) || IN6_IS_ADDR_MC_LINKLOCAL((struct in6_addr *)l_rtaData))
{
((struct sockaddr_in6 *)l_addr)->sin6_scope_id = l_info->ifa_index;
}
}
/* Apparently in a point-to-point network IFA_ADDRESS contains
* the dest address and IFA_LOCAL contains the local address
*/
if(l_rta->rta_type == IFA_ADDRESS)
{
if(l_entry->ifa_addr)
{
l_entry->ifa_dstaddr = (struct sockaddr *)l_addr;
}
else
{
l_entry->ifa_addr = (struct sockaddr *)l_addr;
}
}
else if(l_rta->rta_type == IFA_LOCAL)
{
if(l_entry->ifa_addr)
{
l_entry->ifa_dstaddr = l_entry->ifa_addr;
}
l_entry->ifa_addr = (struct sockaddr *)l_addr;
}
else
{
l_entry->ifa_broadaddr = (struct sockaddr *)l_addr;
}
l_addr += NLMSG_ALIGN(l_addrLen);
break;
}
case IFA_LABEL:
strncpy(l_name, l_rtaData, l_rtaDataSize);
l_name[l_rtaDataSize] = '\0';
l_entry->ifa_name = l_name;
break;
default:
break;
}
}
if(l_entry->ifa_addr && (l_entry->ifa_addr->sa_family == AF_INET || l_entry->ifa_addr->sa_family == AF_INET6))
{
unsigned l_maxPrefix = (l_entry->ifa_addr->sa_family == AF_INET ? 32 : 128);
unsigned l_prefix = (l_info->ifa_prefixlen > l_maxPrefix ? l_maxPrefix : l_info->ifa_prefixlen);
unsigned char l_mask[16] = {0};
unsigned i;
for(i=0; i<(l_prefix/8); ++i)
{
l_mask[i] = 0xff;
}
if(l_prefix % 8)
{
l_mask[i] = 0xff << (8 - (l_prefix % 8));
}
makeSockaddr(l_entry->ifa_addr->sa_family, (struct sockaddr *)l_addr, l_mask, l_maxPrefix / 8);
l_entry->ifa_netmask = (struct sockaddr *)l_addr;
}
addToEnd(p_resultList, l_entry);
return 0;
}
static int interpretLinks(int p_socket, pid_t p_pid, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList)
{
int l_numLinks = 0;
for(; p_netlinkList; p_netlinkList = p_netlinkList->m_next)
{
unsigned int l_nlsize = p_netlinkList->m_size;
struct nlmsghdr *l_hdr;
for(l_hdr = p_netlinkList->m_data; NLMSG_OK(l_hdr, l_nlsize); l_hdr = NLMSG_NEXT(l_hdr, l_nlsize))
{
if((pid_t)l_hdr->nlmsg_pid != p_pid || (int)l_hdr->nlmsg_seq != p_socket)
{
continue;
}
if(l_hdr->nlmsg_type == NLMSG_DONE)
{
break;
}
if(l_hdr->nlmsg_type == RTM_NEWLINK)
{
if(interpretLink(l_hdr, p_resultList) == -1)
{
return -1;
}
++l_numLinks;
}
}
}
return l_numLinks;
}
static int interpretAddrs(int p_socket, pid_t p_pid, NetlinkList *p_netlinkList, struct ifaddrs **p_resultList, int p_numLinks)
{
for(; p_netlinkList; p_netlinkList = p_netlinkList->m_next)
{
unsigned int l_nlsize = p_netlinkList->m_size;
struct nlmsghdr *l_hdr;
for(l_hdr = p_netlinkList->m_data; NLMSG_OK(l_hdr, l_nlsize); l_hdr = NLMSG_NEXT(l_hdr, l_nlsize))
{
if((pid_t)l_hdr->nlmsg_pid != p_pid || (int)l_hdr->nlmsg_seq != p_socket)
{
continue;
}
if(l_hdr->nlmsg_type == NLMSG_DONE)
{
break;
}
if(l_hdr->nlmsg_type == RTM_NEWADDR)
{
if (interpretAddr(l_hdr, p_resultList, p_numLinks) == -1)
{
return -1;
}
}
}
}
return 0;
}
int getifaddrs(struct ifaddrs **ifap)
{
int l_socket;
int l_result;
int l_numLinks;
pid_t l_pid;
NetlinkList *l_linkResults;
NetlinkList *l_addrResults;
if(!ifap)
{
return -1;
}
*ifap = NULL;
l_socket = netlink_socket(&l_pid);
if(l_socket < 0)
{
return -1;
}
l_linkResults = getResultList(l_socket, RTM_GETLINK, l_pid);
if(!l_linkResults)
{
close(l_socket);
return -1;
}
l_addrResults = getResultList(l_socket, RTM_GETADDR, l_pid);
if(!l_addrResults)
{
close(l_socket);
freeResultList(l_linkResults);
return -1;
}
l_result = 0;
l_numLinks = interpretLinks(l_socket, l_pid, l_linkResults, ifap);
if(l_numLinks == -1 || interpretAddrs(l_socket, l_pid, l_addrResults, ifap, l_numLinks) == -1)
{
l_result = -1;
}
freeResultList(l_linkResults);
freeResultList(l_addrResults);
close(l_socket);
return l_result;
}
void freeifaddrs(struct ifaddrs *ifa)
{
struct ifaddrs *l_cur;
while(ifa)
{
l_cur = ifa;
ifa = ifa->ifa_next;
uv__free(l_cur);
}
}

8
deps/libuv/src/unix/bsd-ifaddrs.c vendored
View File

@ -27,7 +27,7 @@
#include <ifaddrs.h>
#include <net/if.h>
#if !defined(__CYGWIN__) && !defined(__MSYS__)
#if !defined(__CYGWIN__) && !defined(__MSYS__) && !defined(__GNU__)
#include <net/if_dl.h>
#endif
@ -40,7 +40,7 @@ static int uv__ifaddr_exclude(struct ifaddrs *ent, int exclude_type) {
return 1;
if (ent->ifa_addr == NULL)
return 1;
#if !defined(__CYGWIN__) && !defined(__MSYS__)
#if !defined(__CYGWIN__) && !defined(__MSYS__) && !defined(__GNU__)
/*
* If `exclude_type` is `UV__EXCLUDE_IFPHYS`, return whether `sa_family`
* equals `AF_LINK`. Otherwise, the result depends on the operating
@ -69,7 +69,7 @@ int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
struct ifaddrs* addrs;
struct ifaddrs* ent;
uv_interface_address_t* address;
#if !(defined(__CYGWIN__) || defined(__MSYS__))
#if !(defined(__CYGWIN__) || defined(__MSYS__)) && !defined(__GNU__)
int i;
#endif
@ -126,7 +126,7 @@ int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
address++;
}
#if !(defined(__CYGWIN__) || defined(__MSYS__))
#if !(defined(__CYGWIN__) || defined(__MSYS__)) && !defined(__GNU__)
/* Fill in physical addresses for each interface */
for (ent = addrs; ent != NULL; ent = ent->ifa_next) {
if (uv__ifaddr_exclude(ent, UV__EXCLUDE_IFPHYS))

1
deps/libuv/src/unix/bsd-proctitle.c vendored
View File

@ -38,6 +38,7 @@ static void init_process_title_mutex_once(void) {
void uv__process_title_cleanup(void) {
uv_once(&process_title_mutex_once, init_process_title_mutex_once);
uv_mutex_destroy(&process_title_mutex);
}

142
deps/libuv/src/unix/core.c vendored
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@ -84,6 +84,7 @@ extern char** environ;
#endif
#if defined(__linux__)
# include <sched.h>
# include <sys/syscall.h>
# define uv__accept4 accept4
#endif
@ -96,9 +97,9 @@ static int uv__run_pending(uv_loop_t* loop);
/* Verify that uv_buf_t is ABI-compatible with struct iovec. */
STATIC_ASSERT(sizeof(uv_buf_t) == sizeof(struct iovec));
STATIC_ASSERT(sizeof(&((uv_buf_t*) 0)->base) ==
STATIC_ASSERT(sizeof(((uv_buf_t*) 0)->base) ==
sizeof(((struct iovec*) 0)->iov_base));
STATIC_ASSERT(sizeof(&((uv_buf_t*) 0)->len) ==
STATIC_ASSERT(sizeof(((uv_buf_t*) 0)->len) ==
sizeof(((struct iovec*) 0)->iov_len));
STATIC_ASSERT(offsetof(uv_buf_t, base) == offsetof(struct iovec, iov_base));
STATIC_ASSERT(offsetof(uv_buf_t, len) == offsetof(struct iovec, iov_len));
@ -334,35 +335,36 @@ int uv_backend_fd(const uv_loop_t* loop) {
}
int uv_backend_timeout(const uv_loop_t* loop) {
if (loop->stop_flag != 0)
return 0;
if (!uv__has_active_handles(loop) && !uv__has_active_reqs(loop))
return 0;
if (!QUEUE_EMPTY(&loop->idle_handles))
return 0;
if (!QUEUE_EMPTY(&loop->pending_queue))
return 0;
if (loop->closing_handles)
return 0;
return uv__next_timeout(loop);
}
static int uv__loop_alive(const uv_loop_t* loop) {
return uv__has_active_handles(loop) ||
uv__has_active_reqs(loop) ||
!QUEUE_EMPTY(&loop->pending_queue) ||
loop->closing_handles != NULL;
}
static int uv__backend_timeout(const uv_loop_t* loop) {
if (loop->stop_flag == 0 &&
/* uv__loop_alive(loop) && */
(uv__has_active_handles(loop) || uv__has_active_reqs(loop)) &&
QUEUE_EMPTY(&loop->pending_queue) &&
QUEUE_EMPTY(&loop->idle_handles) &&
loop->closing_handles == NULL)
return uv__next_timeout(loop);
return 0;
}
int uv_backend_timeout(const uv_loop_t* loop) {
if (QUEUE_EMPTY(&loop->watcher_queue))
return uv__backend_timeout(loop);
/* Need to call uv_run to update the backend fd state. */
return 0;
}
int uv_loop_alive(const uv_loop_t* loop) {
return uv__loop_alive(loop);
return uv__loop_alive(loop);
}
@ -384,7 +386,7 @@ int uv_run(uv_loop_t* loop, uv_run_mode mode) {
timeout = 0;
if ((mode == UV_RUN_ONCE && !ran_pending) || mode == UV_RUN_DEFAULT)
timeout = uv_backend_timeout(loop);
timeout = uv__backend_timeout(loop);
uv__io_poll(loop, timeout);
@ -597,20 +599,6 @@ int uv__nonblock_ioctl(int fd, int set) {
return 0;
}
int uv__cloexec_ioctl(int fd, int set) {
int r;
do
r = ioctl(fd, set ? FIOCLEX : FIONCLEX);
while (r == -1 && errno == EINTR);
if (r)
return UV__ERR(errno);
return 0;
}
#endif
@ -645,25 +633,13 @@ int uv__nonblock_fcntl(int fd, int set) {
}
int uv__cloexec_fcntl(int fd, int set) {
int uv__cloexec(int fd, int set) {
int flags;
int r;
do
r = fcntl(fd, F_GETFD);
while (r == -1 && errno == EINTR);
if (r == -1)
return UV__ERR(errno);
/* Bail out now if already set/clear. */
if (!!(r & FD_CLOEXEC) == !!set)
return 0;
flags = 0;
if (set)
flags = r | FD_CLOEXEC;
else
flags = r & ~FD_CLOEXEC;
flags = FD_CLOEXEC;
do
r = fcntl(fd, F_SETFD, flags);
@ -1036,6 +1012,32 @@ int uv__open_cloexec(const char* path, int flags) {
}
int uv__slurp(const char* filename, char* buf, size_t len) {
ssize_t n;
int fd;
assert(len > 0);
fd = uv__open_cloexec(filename, O_RDONLY);
if (fd < 0)
return fd;
do
n = read(fd, buf, len - 1);
while (n == -1 && errno == EINTR);
if (uv__close_nocheckstdio(fd))
abort();
if (n < 0)
return UV__ERR(errno);
buf[n] = '\0';
return 0;
}
int uv__dup2_cloexec(int oldfd, int newfd) {
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__linux__)
int r;
@ -1621,3 +1623,37 @@ int uv__search_path(const char* prog, char* buf, size_t* buflen) {
/* Out of tokens (path entries), and no match found */
return UV_EINVAL;
}
unsigned int uv_available_parallelism(void) {
#ifdef __linux__
cpu_set_t set;
long rc;
memset(&set, 0, sizeof(set));
/* sysconf(_SC_NPROCESSORS_ONLN) in musl calls sched_getaffinity() but in
* glibc it's... complicated... so for consistency try sched_getaffinity()
* before falling back to sysconf(_SC_NPROCESSORS_ONLN).
*/
if (0 == sched_getaffinity(0, sizeof(set), &set))
rc = CPU_COUNT(&set);
else
rc = sysconf(_SC_NPROCESSORS_ONLN);
if (rc < 1)
rc = 1;
return (unsigned) rc;
#elif defined(__MVS__)
return 1; /* TODO(bnoordhuis) Read from CSD_NUMBER_ONLINE_CPUS? */
#else /* __linux__ */
long rc;
rc = sysconf(_SC_NPROCESSORS_ONLN);
if (rc < 1)
rc = 1;
return (unsigned) rc;
#endif /* __linux__ */
}

15
deps/libuv/src/unix/freebsd.c vendored
View File

@ -287,3 +287,18 @@ int uv__recvmmsg(int fd, struct uv__mmsghdr* mmsg, unsigned int vlen) {
return errno = ENOSYS, -1;
#endif
}
ssize_t
uv__fs_copy_file_range(int fd_in,
off_t* off_in,
int fd_out,
off_t* off_out,
size_t len,
unsigned int flags)
{
#if __FreeBSD__ >= 13 && !defined(__DragonFly__)
return copy_file_range(fd_in, off_in, fd_out, off_out, len, flags);
#else
return errno = ENOSYS, -1;
#endif
}

17
deps/libuv/src/unix/fs.c vendored
View File

@ -247,7 +247,8 @@ UV_UNUSED(static struct timeval uv__fs_to_timeval(double time)) {
static ssize_t uv__fs_futime(uv_fs_t* req) {
#if defined(__linux__) \
|| defined(_AIX71) \
|| defined(__HAIKU__)
|| defined(__HAIKU__) \
|| defined(__GNU__)
struct timespec ts[2];
ts[0] = uv__fs_to_timespec(req->atime);
ts[1] = uv__fs_to_timespec(req->mtime);
@ -1074,6 +1075,17 @@ static ssize_t uv__fs_sendfile(uv_fs_t* req) {
*/
#if defined(__FreeBSD__) || defined(__DragonFly__)
#if defined(__FreeBSD__)
off_t off;
off = req->off;
r = uv__fs_copy_file_range(in_fd, &off, out_fd, NULL, req->bufsml[0].len, 0);
if (r >= 0) {
r = off - req->off;
req->off = off;
return r;
}
#endif
len = 0;
r = sendfile(in_fd, out_fd, req->off, req->bufsml[0].len, NULL, &len, 0);
#elif defined(__FreeBSD_kernel__)
@ -1168,7 +1180,8 @@ static ssize_t uv__fs_lutime(uv_fs_t* req) {
#if defined(__linux__) || \
defined(_AIX71) || \
defined(__sun) || \
defined(__HAIKU__)
defined(__HAIKU__) || \
defined(__GNU__)
struct timespec ts[2];
ts[0] = uv__fs_to_timespec(req->atime);
ts[1] = uv__fs_to_timespec(req->mtime);

167
deps/libuv/src/unix/hurd.c vendored Normal file
View File

@ -0,0 +1,167 @@
/* Copyright libuv project contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#define _GNU_SOURCE 1
#include "uv.h"
#include "internal.h"
#include <hurd.h>
#include <hurd/process.h>
#include <mach/task_info.h>
#include <mach/vm_statistics.h>
#include <mach/vm_param.h>
#include <inttypes.h>
#include <stddef.h>
#include <unistd.h>
#include <string.h>
#include <limits.h>
int uv_exepath(char* buffer, size_t* size) {
kern_return_t err;
/* XXX in current Hurd, strings are char arrays of 1024 elements */
string_t exepath;
ssize_t copied;
if (buffer == NULL || size == NULL || *size == 0)
return UV_EINVAL;
if (*size - 1 > 0) {
/* XXX limited length of buffer in current Hurd, this API will probably
* evolve in the future */
err = proc_get_exe(getproc(), getpid(), exepath);
if (err)
return UV__ERR(err);
}
copied = uv__strscpy(buffer, exepath, *size);
/* do not return error on UV_E2BIG failure */
*size = copied < 0 ? strlen(buffer) : (size_t) copied;
return 0;
}
int uv_resident_set_memory(size_t* rss) {
kern_return_t err;
struct task_basic_info bi;
mach_msg_type_number_t count;
count = TASK_BASIC_INFO_COUNT;
err = task_info(mach_task_self(), TASK_BASIC_INFO,
(task_info_t) &bi, &count);
if (err)
return UV__ERR(err);
*rss = bi.resident_size;
return 0;
}
uint64_t uv_get_free_memory(void) {
kern_return_t err;
struct vm_statistics vmstats;
err = vm_statistics(mach_task_self(), &vmstats);
if (err)
return 0;
return vmstats.free_count * vm_page_size;
}
uint64_t uv_get_total_memory(void) {
kern_return_t err;
host_basic_info_data_t hbi;
mach_msg_type_number_t cnt;
cnt = HOST_BASIC_INFO_COUNT;
err = host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t) &hbi, &cnt);
if (err)
return 0;
return hbi.memory_size;
}
int uv_uptime(double* uptime) {
char buf[128];
/* Try /proc/uptime first */
if (0 == uv__slurp("/proc/uptime", buf, sizeof(buf)))
if (1 == sscanf(buf, "%lf", uptime))
return 0;
/* Reimplement here code from procfs to calculate uptime if not mounted? */
return UV__ERR(EIO);
}
void uv_loadavg(double avg[3]) {
char buf[128]; /* Large enough to hold all of /proc/loadavg. */
if (0 == uv__slurp("/proc/loadavg", buf, sizeof(buf)))
if (3 == sscanf(buf, "%lf %lf %lf", &avg[0], &avg[1], &avg[2]))
return;
/* Reimplement here code from procfs to calculate loadavg if not mounted? */
}
int uv_cpu_info(uv_cpu_info_t** cpu_infos, int* count) {
kern_return_t err;
host_basic_info_data_t hbi;
mach_msg_type_number_t cnt;
/* Get count of cpus */
cnt = HOST_BASIC_INFO_COUNT;
err = host_info(mach_host_self(), HOST_BASIC_INFO, (host_info_t) &hbi, &cnt);
if (err) {
err = UV__ERR(err);
goto abort;
}
/* XXX not implemented on the Hurd */
*cpu_infos = uv__calloc(hbi.avail_cpus, sizeof(**cpu_infos));
if (*cpu_infos == NULL) {
err = UV_ENOMEM;
goto abort;
}
*count = hbi.avail_cpus;
return 0;
abort:
*cpu_infos = NULL;
*count = 0;
return err;
}
uint64_t uv_get_constrained_memory(void) {
return 0; /* Memory constraints are unknown. */
}

24
deps/libuv/src/unix/internal.h vendored
View File

@ -145,7 +145,8 @@ typedef struct uv__stream_queued_fds_s uv__stream_queued_fds_t;
/* loop flags */
enum {
UV_LOOP_BLOCK_SIGPROF = 1
UV_LOOP_BLOCK_SIGPROF = 0x1,
UV_LOOP_REAP_CHILDREN = 0x2
};
/* flags of excluding ifaddr */
@ -174,11 +175,9 @@ struct uv__stream_queued_fds_s {
defined(__linux__) || \
defined(__OpenBSD__) || \
defined(__NetBSD__)
#define uv__cloexec uv__cloexec_ioctl
#define uv__nonblock uv__nonblock_ioctl
#define UV__NONBLOCK_IS_IOCTL 1
#else
#define uv__cloexec uv__cloexec_fcntl
#define uv__nonblock uv__nonblock_fcntl
#define UV__NONBLOCK_IS_IOCTL 0
#endif
@ -196,8 +195,7 @@ struct uv__stream_queued_fds_s {
#endif
/* core */
int uv__cloexec_ioctl(int fd, int set);
int uv__cloexec_fcntl(int fd, int set);
int uv__cloexec(int fd, int set);
int uv__nonblock_ioctl(int fd, int set);
int uv__nonblock_fcntl(int fd, int set);
int uv__close(int fd); /* preserves errno */
@ -241,14 +239,15 @@ void uv__server_io(uv_loop_t* loop, uv__io_t* w, unsigned int events);
int uv__accept(int sockfd);
int uv__dup2_cloexec(int oldfd, int newfd);
int uv__open_cloexec(const char* path, int flags);
int uv__slurp(const char* filename, char* buf, size_t len);
/* tcp */
int uv_tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb);
int uv__tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb);
int uv__tcp_nodelay(int fd, int on);
int uv__tcp_keepalive(int fd, int on, unsigned int delay);
/* pipe */
int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb);
int uv__pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb);
/* signal */
void uv__signal_close(uv_signal_t* handle);
@ -282,6 +281,7 @@ uv_handle_type uv__handle_type(int fd);
FILE* uv__open_file(const char* path);
int uv__getpwuid_r(uv_passwd_t* pwd);
int uv__search_path(const char* prog, char* buf, size_t* buflen);
void uv__wait_children(uv_loop_t* loop);
/* random */
int uv__random_devurandom(void* buf, size_t buflen);
@ -356,5 +356,15 @@ size_t strnlen(const char* s, size_t maxlen);
#endif
#endif
#if defined(__FreeBSD__)
ssize_t
uv__fs_copy_file_range(int fd_in,
off_t* off_in,
int fd_out,
off_t* off_out,
size_t len,
unsigned int flags);
#endif
#endif /* UV_UNIX_INTERNAL_H_ */

10
deps/libuv/src/unix/kqueue.c vendored
View File

@ -284,6 +284,11 @@ void uv__io_poll(uv_loop_t* loop, int timeout) {
loop->watchers[loop->nwatchers + 1] = (void*) (uintptr_t) nfds;
for (i = 0; i < nfds; i++) {
ev = events + i;
if (ev->filter == EVFILT_PROC) {
loop->flags |= UV_LOOP_REAP_CHILDREN;
nevents++;
continue;
}
fd = ev->ident;
/* Skip invalidated events, see uv__platform_invalidate_fd */
if (fd == -1)
@ -377,6 +382,11 @@ void uv__io_poll(uv_loop_t* loop, int timeout) {
nevents++;
}
if (loop->flags & UV_LOOP_REAP_CHILDREN) {
loop->flags &= ~UV_LOOP_REAP_CHILDREN;
uv__wait_children(loop);
}
if (reset_timeout != 0) {
timeout = user_timeout;
reset_timeout = 0;

39
deps/libuv/src/unix/linux-core.c vendored
View File

@ -45,6 +45,10 @@
#define HAVE_IFADDRS_H 1
# if defined(__ANDROID_API__) && __ANDROID_API__ < 24
# undef HAVE_IFADDRS_H
#endif
#ifdef __UCLIBC__
# if __UCLIBC_MAJOR__ < 0 && __UCLIBC_MINOR__ < 9 && __UCLIBC_SUBLEVEL__ < 32
# undef HAVE_IFADDRS_H
@ -52,11 +56,7 @@
#endif
#ifdef HAVE_IFADDRS_H
# if defined(__ANDROID__)
# include "uv/android-ifaddrs.h"
# else
# include <ifaddrs.h>
# endif
# include <ifaddrs.h>
# include <sys/socket.h>
# include <net/ethernet.h>
# include <netpacket/packet.h>
@ -211,31 +211,6 @@ err:
return UV_EINVAL;
}
static int uv__slurp(const char* filename, char* buf, size_t len) {
ssize_t n;
int fd;
assert(len > 0);
fd = uv__open_cloexec(filename, O_RDONLY);
if (fd < 0)
return fd;
do
n = read(fd, buf, len - 1);
while (n == -1 && errno == EINTR);
if (uv__close_nocheckstdio(fd))
abort();
if (n < 0)
return UV__ERR(errno);
buf[n] = '\0';
return 0;
}
int uv_uptime(double* uptime) {
static volatile int no_clock_boottime;
char buf[128];
@ -243,7 +218,7 @@ int uv_uptime(double* uptime) {
int r;
/* Try /proc/uptime first, then fallback to clock_gettime(). */
if (0 == uv__slurp("/proc/uptime", buf, sizeof(buf)))
if (1 == sscanf(buf, "%lf", uptime))
return 0;
@ -641,6 +616,7 @@ static uint64_t read_cpufreq(unsigned int cpunum) {
}
#ifdef HAVE_IFADDRS_H
static int uv__ifaddr_exclude(struct ifaddrs *ent, int exclude_type) {
if (!((ent->ifa_flags & IFF_UP) && (ent->ifa_flags & IFF_RUNNING)))
return 1;
@ -654,6 +630,7 @@ static int uv__ifaddr_exclude(struct ifaddrs *ent, int exclude_type) {
return exclude_type;
return !exclude_type;
}
#endif
int uv_interface_addresses(uv_interface_address_t** addresses, int* count) {
#ifndef HAVE_IFADDRS_H

2
deps/libuv/src/unix/pipe.c vendored
View File

@ -91,7 +91,7 @@ err_socket:
}
int uv_pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb) {
int uv__pipe_listen(uv_pipe_t* handle, int backlog, uv_connection_cb cb) {
if (uv__stream_fd(handle) == -1)
return UV_EINVAL;

753
deps/libuv/src/unix/process.c vendored
View File

@ -27,6 +27,7 @@
#include <assert.h>
#include <errno.h>
#include <signal.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
@ -35,8 +36,21 @@
#include <poll.h>
#if defined(__APPLE__) && !TARGET_OS_IPHONE
# include <spawn.h>
# include <paths.h>
# include <sys/kauth.h>
# include <sys/types.h>
# include <sys/sysctl.h>
# include <dlfcn.h>
# include <crt_externs.h>
# include <xlocale.h>
# define environ (*_NSGetEnviron())
/* macOS 10.14 back does not define this constant */
# ifndef POSIX_SPAWN_SETSID
# define POSIX_SPAWN_SETSID 1024
# endif
#else
extern char **environ;
#endif
@ -49,10 +63,20 @@ extern char **environ;
# include "zos-base.h"
#endif
#if defined(__APPLE__) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__)
#include <sys/event.h>
#endif
#if !(defined(__APPLE__) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__))
static void uv__chld(uv_signal_t* handle, int signum) {
assert(signum == SIGCHLD);
uv__wait_children(handle->loop);
}
#endif
void uv__wait_children(uv_loop_t* loop) {
uv_process_t* process;
uv_loop_t* loop;
int exit_status;
int term_signal;
int status;
@ -61,10 +85,7 @@ static void uv__chld(uv_signal_t* handle, int signum) {
QUEUE* q;
QUEUE* h;
assert(signum == SIGCHLD);
QUEUE_INIT(&pending);
loop = handle->loop;
h = &loop->process_handles;
q = QUEUE_HEAD(h);
@ -254,22 +275,33 @@ static void uv__process_child_init(const uv_process_options_t* options,
use_fd = pipes[fd][1];
if (use_fd < 0 || use_fd >= fd)
continue;
#ifdef F_DUPFD_CLOEXEC /* POSIX 2008 */
pipes[fd][1] = fcntl(use_fd, F_DUPFD_CLOEXEC, stdio_count);
#else
pipes[fd][1] = fcntl(use_fd, F_DUPFD, stdio_count);
#endif
if (pipes[fd][1] == -1)
uv__write_errno(error_fd);
#ifndef F_DUPFD_CLOEXEC /* POSIX 2008 */
n = uv__cloexec(pipes[fd][1], 1);
if (n) {
uv__write_int(error_fd, n);
_exit(127);
}
#endif
}
for (fd = 0; fd < stdio_count; fd++) {
close_fd = pipes[fd][0];
close_fd = -1;
use_fd = pipes[fd][1];
if (use_fd < 0) {
if (fd >= 3)
continue;
else {
/* redirect stdin, stdout and stderr to /dev/null even if UV_IGNORE is
* set
*/
/* Redirect stdin, stdout and stderr to /dev/null even if UV_IGNORE is
* set. */
uv__close_nocheckstdio(fd); /* Free up fd, if it happens to be open. */
use_fd = open("/dev/null", fd == 0 ? O_RDONLY : O_RDWR);
close_fd = use_fd;
@ -278,28 +310,29 @@ static void uv__process_child_init(const uv_process_options_t* options,
}
}
if (fd == use_fd)
uv__cloexec_fcntl(use_fd, 0);
else
if (fd == use_fd) {
if (close_fd == -1) {
n = uv__cloexec(use_fd, 0);
if (n) {
uv__write_int(error_fd, n);
_exit(127);
}
}
}
else {
fd = dup2(use_fd, fd);
}
if (fd == -1)
uv__write_errno(error_fd);
if (fd <= 2)
if (fd <= 2 && close_fd == -1)
uv__nonblock_fcntl(fd, 0);
if (close_fd >= stdio_count)
uv__close(close_fd);
}
for (fd = 0; fd < stdio_count; fd++) {
use_fd = pipes[fd][1];
if (use_fd >= stdio_count)
uv__close(use_fd);
}
if (options->cwd != NULL && chdir(options->cwd))
uv__write_errno(error_fd);
@ -320,9 +353,8 @@ static void uv__process_child_init(const uv_process_options_t* options,
if ((options->flags & UV_PROCESS_SETUID) && setuid(options->uid))
uv__write_errno(error_fd);
if (options->env != NULL) {
if (options->env != NULL)
environ = options->env;
}
/* Reset signal mask just before exec. */
sigemptyset(&signewset);
@ -341,6 +373,562 @@ static void uv__process_child_init(const uv_process_options_t* options,
#endif
#if defined(__APPLE__)
typedef struct uv__posix_spawn_fncs_tag {
struct {
int (*addchdir_np)(const posix_spawn_file_actions_t *, const char *);
} file_actions;
} uv__posix_spawn_fncs_t;
static uv_once_t posix_spawn_init_once = UV_ONCE_INIT;
static uv__posix_spawn_fncs_t posix_spawn_fncs;
static int posix_spawn_can_use_setsid;
static void uv__spawn_init_posix_spawn_fncs(void) {
/* Try to locate all non-portable functions at runtime */
posix_spawn_fncs.file_actions.addchdir_np =
dlsym(RTLD_DEFAULT, "posix_spawn_file_actions_addchdir_np");
}
static void uv__spawn_init_can_use_setsid(void) {
static const int MACOS_CATALINA_VERSION_MAJOR = 19;
char version_str[256];
char* version_major_str;
size_t version_str_size = 256;
int r;
int version_major;
/* Get a version string */
r = sysctlbyname("kern.osrelease", version_str, &version_str_size, NULL, 0);
if (r != 0)
return;
/* Try to get the major version number. If not found
* fall back to the fork/exec flow */
version_major_str = strtok(version_str, ".");
if (version_major_str == NULL)
return;
/* Parse the version major as a number. If it is greater than
* the major version for macOS Catalina (aka macOS 10.15), then
* the POSIX_SPAWN_SETSID flag is available */
version_major = atoi_l(version_major_str, NULL); /* Use LC_C_LOCALE */
if (version_major >= MACOS_CATALINA_VERSION_MAJOR)
posix_spawn_can_use_setsid = 1;
}
static void uv__spawn_init_posix_spawn(void) {
/* Init handles to all potentially non-defined functions */
uv__spawn_init_posix_spawn_fncs();
/* Init feature detection for POSIX_SPAWN_SETSID flag */
uv__spawn_init_can_use_setsid();
}
static int uv__spawn_set_posix_spawn_attrs(
posix_spawnattr_t* attrs,
const uv__posix_spawn_fncs_t* posix_spawn_fncs,
const uv_process_options_t* options) {
int err;
unsigned int flags;
sigset_t signal_set;
err = posix_spawnattr_init(attrs);
if (err != 0) {
/* If initialization fails, no need to de-init, just return */
return err;
}
if (options->flags & (UV_PROCESS_SETUID | UV_PROCESS_SETGID)) {
/* kauth_cred_issuser currently requires exactly uid == 0 for these
* posixspawn_attrs (set_groups_np, setuid_np, setgid_np), which deviates
* from the normal specification of setuid (which also uses euid), and they
* are also undocumented syscalls, so we do not use them. */
err = ENOSYS;
goto error;
}
/* Set flags for spawn behavior
* 1) POSIX_SPAWN_CLOEXEC_DEFAULT: (Apple Extension) All descriptors in the
* parent will be treated as if they had been created with O_CLOEXEC. The
* only fds that will be passed on to the child are those manipulated by
* the file actions
* 2) POSIX_SPAWN_SETSIGDEF: Signals mentioned in spawn-sigdefault in the
* spawn attributes will be reset to behave as their default
* 3) POSIX_SPAWN_SETSIGMASK: Signal mask will be set to the value of
* spawn-sigmask in attributes
* 4) POSIX_SPAWN_SETSID: Make the process a new session leader if a detached
* session was requested. */
flags = POSIX_SPAWN_CLOEXEC_DEFAULT |
POSIX_SPAWN_SETSIGDEF |
POSIX_SPAWN_SETSIGMASK;
if (options->flags & UV_PROCESS_DETACHED) {
/* If running on a version of macOS where this flag is not supported,
* revert back to the fork/exec flow. Otherwise posix_spawn will
* silently ignore the flag. */
if (!posix_spawn_can_use_setsid) {
err = ENOSYS;
goto error;
}
flags |= POSIX_SPAWN_SETSID;
}
err = posix_spawnattr_setflags(attrs, flags);
if (err != 0)
goto error;
/* Reset all signal the child to their default behavior */
sigfillset(&signal_set);
err = posix_spawnattr_setsigdefault(attrs, &signal_set);
if (err != 0)
goto error;
/* Reset the signal mask for all signals */
sigemptyset(&signal_set);
err = posix_spawnattr_setsigmask(attrs, &signal_set);
if (err != 0)
goto error;
return err;
error:
(void) posix_spawnattr_destroy(attrs);
return err;
}
static int uv__spawn_set_posix_spawn_file_actions(
posix_spawn_file_actions_t* actions,
const uv__posix_spawn_fncs_t* posix_spawn_fncs,
const uv_process_options_t* options,
int stdio_count,
int (*pipes)[2]) {
int fd;
int fd2;
int use_fd;
int err;
err = posix_spawn_file_actions_init(actions);
if (err != 0) {
/* If initialization fails, no need to de-init, just return */
return err;
}
/* Set the current working directory if requested */
if (options->cwd != NULL) {
if (posix_spawn_fncs->file_actions.addchdir_np == NULL) {
err = ENOSYS;
goto error;
}
err = posix_spawn_fncs->file_actions.addchdir_np(actions, options->cwd);
if (err != 0)
goto error;
}
/* Do not return ENOSYS after this point, as we may mutate pipes. */
/* First duplicate low numbered fds, since it's not safe to duplicate them,
* they could get replaced. Example: swapping stdout and stderr; without
* this fd 2 (stderr) would be duplicated into fd 1, thus making both
* stdout and stderr go to the same fd, which was not the intention. */
for (fd = 0; fd < stdio_count; fd++) {
use_fd = pipes[fd][1];
if (use_fd < 0 || use_fd >= fd)
continue;
use_fd = stdio_count;
for (fd2 = 0; fd2 < stdio_count; fd2++) {
/* If we were not setting POSIX_SPAWN_CLOEXEC_DEFAULT, we would need to
* also consider whether fcntl(fd, F_GETFD) returned without the
* FD_CLOEXEC flag set. */
if (pipes[fd2][1] == use_fd) {
use_fd++;
fd2 = 0;
}
}
err = posix_spawn_file_actions_adddup2(
actions,
pipes[fd][1],
use_fd);
assert(err != ENOSYS);
if (err != 0)
goto error;
pipes[fd][1] = use_fd;
}
/* Second, move the descriptors into their respective places */
for (fd = 0; fd < stdio_count; fd++) {
use_fd = pipes[fd][1];
if (use_fd < 0) {
if (fd >= 3)
continue;
else {
/* If ignored, redirect to (or from) /dev/null, */
err = posix_spawn_file_actions_addopen(
actions,
fd,
"/dev/null",
fd == 0 ? O_RDONLY : O_RDWR,
0);
assert(err != ENOSYS);
if (err != 0)
goto error;
continue;
}
}
if (fd == use_fd)
err = posix_spawn_file_actions_addinherit_np(actions, fd);
else
err = posix_spawn_file_actions_adddup2(actions, use_fd, fd);
assert(err != ENOSYS);
if (err != 0)
goto error;
/* Make sure the fd is marked as non-blocking (state shared between child
* and parent). */
uv__nonblock_fcntl(use_fd, 0);
}
/* Finally, close all the superfluous descriptors */
for (fd = 0; fd < stdio_count; fd++) {
use_fd = pipes[fd][1];
if (use_fd < stdio_count)
continue;
/* Check if we already closed this. */
for (fd2 = 0; fd2 < fd; fd2++) {
if (pipes[fd2][1] == use_fd)
break;
}
if (fd2 < fd)
continue;
err = posix_spawn_file_actions_addclose(actions, use_fd);
assert(err != ENOSYS);
if (err != 0)
goto error;
}
return 0;
error:
(void) posix_spawn_file_actions_destroy(actions);
return err;
}
char* uv__spawn_find_path_in_env(char** env) {
char** env_iterator;
const char path_var[] = "PATH=";
/* Look for an environment variable called PATH in the
* provided env array, and return its value if found */
for (env_iterator = env; *env_iterator != NULL; env_iterator++) {
if (strncmp(*env_iterator, path_var, sizeof(path_var) - 1) == 0) {
/* Found "PATH=" at the beginning of the string */
return *env_iterator + sizeof(path_var) - 1;
}
}
return NULL;
}
static int uv__spawn_resolve_and_spawn(const uv_process_options_t* options,
posix_spawnattr_t* attrs,
posix_spawn_file_actions_t* actions,
pid_t* pid) {
const char *p;
const char *z;
const char *path;
size_t l;
size_t k;
int err;
int seen_eacces;
path = NULL;
err = -1;
seen_eacces = 0;
/* Short circuit for erroneous case */
if (options->file == NULL)
return ENOENT;
/* The environment for the child process is that of the parent unless overriden
* by options->env */
char** env = environ;
if (options->env != NULL)
env = options->env;
/* If options->file contains a slash, posix_spawn/posix_spawnp behave
* the same, and don't involve PATH resolution at all. Otherwise, if
* options->file does not include a slash, but no custom environment is
* to be used, the environment used for path resolution as well for the
* child process is that of the parent process, so posix_spawnp is the
* way to go. */
if (strchr(options->file, '/') != NULL || options->env == NULL) {
do
err = posix_spawnp(pid, options->file, actions, attrs, options->args, env);
while (err == EINTR);
return err;
}
/* Look for the definition of PATH in the provided env */
path = uv__spawn_find_path_in_env(options->env);
/* The following resolution logic (execvpe emulation) is copied from
* https://git.musl-libc.org/cgit/musl/tree/src/process/execvp.c
* and adapted to work for our specific usage */
/* If no path was provided in options->env, use the default value
* to look for the executable */
if (path == NULL)
path = _PATH_DEFPATH;
k = strnlen(options->file, NAME_MAX + 1);
if (k > NAME_MAX)
return ENAMETOOLONG;
l = strnlen(path, PATH_MAX - 1) + 1;
for (p = path;; p = z) {
/* Compose the new process file from the entry in the PATH
* environment variable and the actual file name */
char b[PATH_MAX + NAME_MAX];
z = strchr(p, ':');
if (!z)
z = p + strlen(p);
if ((size_t)(z - p) >= l) {
if (!*z++)
break;
continue;
}
memcpy(b, p, z - p);
b[z - p] = '/';
memcpy(b + (z - p) + (z > p), options->file, k + 1);
/* Try to spawn the new process file. If it fails with ENOENT, the
* new process file is not in this PATH entry, continue with the next
* PATH entry. */
do
err = posix_spawn(pid, b, actions, attrs, options->args, env);
while (err == EINTR);
switch (err) {
case EACCES:
seen_eacces = 1;
break; /* continue search */
case ENOENT:
case ENOTDIR:
break; /* continue search */
default:
return err;
}
if (!*z++)
break;
}
if (seen_eacces)
return EACCES;
return err;
}
static int uv__spawn_and_init_child_posix_spawn(
const uv_process_options_t* options,
int stdio_count,
int (*pipes)[2],
pid_t* pid,
const uv__posix_spawn_fncs_t* posix_spawn_fncs) {
int err;
posix_spawnattr_t attrs;
posix_spawn_file_actions_t actions;
err = uv__spawn_set_posix_spawn_attrs(&attrs, posix_spawn_fncs, options);
if (err != 0)
goto error;
/* This may mutate pipes. */
err = uv__spawn_set_posix_spawn_file_actions(&actions,
posix_spawn_fncs,
options,
stdio_count,
pipes);
if (err != 0) {
(void) posix_spawnattr_destroy(&attrs);
goto error;
}
/* Try to spawn options->file resolving in the provided environment
* if any */
err = uv__spawn_resolve_and_spawn(options, &attrs, &actions, pid);
assert(err != ENOSYS);
/* Destroy the actions/attributes */
(void) posix_spawn_file_actions_destroy(&actions);
(void) posix_spawnattr_destroy(&attrs);
error:
/* In an error situation, the attributes and file actions are
* already destroyed, only the happy path requires cleanup */
return UV__ERR(err);
}
#endif
static int uv__spawn_and_init_child_fork(const uv_process_options_t* options,
int stdio_count,
int (*pipes)[2],
int error_fd,
pid_t* pid) {
sigset_t signewset;
sigset_t sigoldset;
/* Start the child with most signals blocked, to avoid any issues before we
* can reset them, but allow program failures to exit (and not hang). */
sigfillset(&signewset);
sigdelset(&signewset, SIGKILL);
sigdelset(&signewset, SIGSTOP);
sigdelset(&signewset, SIGTRAP);
sigdelset(&signewset, SIGSEGV);
sigdelset(&signewset, SIGBUS);
sigdelset(&signewset, SIGILL);
sigdelset(&signewset, SIGSYS);
sigdelset(&signewset, SIGABRT);
if (pthread_sigmask(SIG_BLOCK, &signewset, &sigoldset) != 0)
abort();
*pid = fork();
if (*pid == -1) {
/* Failed to fork */
return UV__ERR(errno);
}
if (*pid == 0) {
/* Fork succeeded, in the child process */
uv__process_child_init(options, stdio_count, pipes, error_fd);
abort();
}
if (pthread_sigmask(SIG_SETMASK, &sigoldset, NULL) != 0)
abort();
/* Fork succeeded, in the parent process */
return 0;
}
static int uv__spawn_and_init_child(
uv_loop_t* loop,
const uv_process_options_t* options,
int stdio_count,
int (*pipes)[2],
pid_t* pid) {
int signal_pipe[2] = { -1, -1 };
int status;
int err;
int exec_errorno;
ssize_t r;
#if defined(__APPLE__)
uv_once(&posix_spawn_init_once, uv__spawn_init_posix_spawn);
/* Special child process spawn case for macOS Big Sur (11.0) onwards
*
* Big Sur introduced a significant performance degradation on a call to
* fork/exec when the process has many pages mmaped in with MAP_JIT, like, say
* a javascript interpreter. Electron-based applications, for example,
* are impacted; though the magnitude of the impact depends on how much the
* app relies on subprocesses.
*
* On macOS, though, posix_spawn is implemented in a way that does not
* exhibit the problem. This block implements the forking and preparation
* logic with posix_spawn and its related primitives. It also takes advantage of
* the macOS extension POSIX_SPAWN_CLOEXEC_DEFAULT that makes impossible to
* leak descriptors to the child process. */
err = uv__spawn_and_init_child_posix_spawn(options,
stdio_count,
pipes,
pid,
&posix_spawn_fncs);
/* The posix_spawn flow will return UV_ENOSYS if any of the posix_spawn_x_np
* non-standard functions is both _needed_ and _undefined_. In those cases,
* default back to the fork/execve strategy. For all other errors, just fail. */
if (err != UV_ENOSYS)
return err;
#endif
/* This pipe is used by the parent to wait until
* the child has called `execve()`. We need this
* to avoid the following race condition:
*
* if ((pid = fork()) > 0) {
* kill(pid, SIGTERM);
* }
* else if (pid == 0) {
* execve("/bin/cat", argp, envp);
* }
*
* The parent sends a signal immediately after forking.
* Since the child may not have called `execve()` yet,
* there is no telling what process receives the signal,
* our fork or /bin/cat.
*
* To avoid ambiguity, we create a pipe with both ends
* marked close-on-exec. Then, after the call to `fork()`,
* the parent polls the read end until it EOFs or errors with EPIPE.
*/
err = uv__make_pipe(signal_pipe, 0);
if (err)
return err;
/* Acquire write lock to prevent opening new fds in worker threads */
uv_rwlock_wrlock(&loop->cloexec_lock);
err = uv__spawn_and_init_child_fork(options, stdio_count, pipes, signal_pipe[1], pid);
/* Release lock in parent process */
uv_rwlock_wrunlock(&loop->cloexec_lock);
uv__close(signal_pipe[1]);
if (err == 0) {
do
r = read(signal_pipe[0], &exec_errorno, sizeof(exec_errorno));
while (r == -1 && errno == EINTR);
if (r == 0)
; /* okay, EOF */
else if (r == sizeof(exec_errorno)) {
do
err = waitpid(*pid, &status, 0); /* okay, read errorno */
while (err == -1 && errno == EINTR);
assert(err == *pid);
err = exec_errorno;
} else if (r == -1 && errno == EPIPE) {
/* Something unknown happened to our child before spawn */
do
err = waitpid(*pid, &status, 0); /* okay, got EPIPE */
while (err == -1 && errno == EINTR);
assert(err == *pid);
err = UV_EPIPE;
} else
abort();
}
uv__close_nocheckstdio(signal_pipe[0]);
return err;
}
int uv_spawn(uv_loop_t* loop,
uv_process_t* process,
const uv_process_options_t* options) {
@ -348,18 +936,13 @@ int uv_spawn(uv_loop_t* loop,
/* fork is marked __WATCHOS_PROHIBITED __TVOS_PROHIBITED. */
return UV_ENOSYS;
#else
sigset_t signewset;
sigset_t sigoldset;
int signal_pipe[2] = { -1, -1 };
int pipes_storage[8][2];
int (*pipes)[2];
int stdio_count;
ssize_t r;
pid_t pid;
int err;
int exec_errorno;
int i;
int status;
assert(options->file != NULL);
assert(!(options->flags & ~(UV_PROCESS_DETACHED |
@ -372,6 +955,7 @@ int uv_spawn(uv_loop_t* loop,
uv__handle_init(loop, (uv_handle_t*)process, UV_PROCESS);
QUEUE_INIT(&process->queue);
process->status = 0;
stdio_count = options->stdio_count;
if (stdio_count < 3)
@ -396,92 +980,42 @@ int uv_spawn(uv_loop_t* loop,
goto error;
}
/* This pipe is used by the parent to wait until
* the child has called `execve()`. We need this
* to avoid the following race condition:
*
* if ((pid = fork()) > 0) {
* kill(pid, SIGTERM);
* }
* else if (pid == 0) {
* execve("/bin/cat", argp, envp);
* }
*
* The parent sends a signal immediately after forking.
* Since the child may not have called `execve()` yet,
* there is no telling what process receives the signal,
* our fork or /bin/cat.
*
* To avoid ambiguity, we create a pipe with both ends
* marked close-on-exec. Then, after the call to `fork()`,
* the parent polls the read end until it EOFs or errors with EPIPE.
*/
err = uv__make_pipe(signal_pipe, 0);
if (err)
goto error;
#if !(defined(__APPLE__) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__))
uv_signal_start(&loop->child_watcher, uv__chld, SIGCHLD);
#endif
/* Acquire write lock to prevent opening new fds in worker threads */
uv_rwlock_wrlock(&loop->cloexec_lock);
/* Spawn the child */
exec_errorno = uv__spawn_and_init_child(loop, options, stdio_count, pipes, &pid);
/* Start the child with most signals blocked, to avoid any issues before we
* can reset them, but allow program failures to exit (and not hang). */
sigfillset(&signewset);
sigdelset(&signewset, SIGKILL);
sigdelset(&signewset, SIGSTOP);
sigdelset(&signewset, SIGTRAP);
sigdelset(&signewset, SIGSEGV);
sigdelset(&signewset, SIGBUS);
sigdelset(&signewset, SIGILL);
sigdelset(&signewset, SIGSYS);
sigdelset(&signewset, SIGABRT);
if (pthread_sigmask(SIG_BLOCK, &signewset, &sigoldset) != 0)
abort();
#if 0
/* This runs into a nodejs issue (it expects initialized streams, even if the
* exec failed).
* See https://github.com/libuv/libuv/pull/3107#issuecomment-782482608 */
if (exec_errorno != 0)
goto error;
#endif
pid = fork();
if (pid == -1)
err = UV__ERR(errno);
/* Activate this handle if exec() happened successfully, even if we later
* fail to open a stdio handle. This ensures we can eventually reap the child
* with waitpid. */
if (exec_errorno == 0) {
#if defined(__APPLE__) || defined(__DragonFly__) || defined(__FreeBSD__) || defined(__NetBSD__)
struct kevent event;
EV_SET(&event, pid, EVFILT_PROC, EV_ADD | EV_ONESHOT, NOTE_EXIT, 0, 0);
if (kevent(loop->backend_fd, &event, 1, NULL, 0, NULL)) {
if (errno != ESRCH)
abort();
/* Process already exited. Call waitpid on the next loop iteration. */
loop->flags |= UV_LOOP_REAP_CHILDREN;
}
#endif
if (pid == 0)
uv__process_child_init(options, stdio_count, pipes, signal_pipe[1]);
if (pthread_sigmask(SIG_SETMASK, &sigoldset, NULL) != 0)
abort();
/* Release lock in parent process */
uv_rwlock_wrunlock(&loop->cloexec_lock);
uv__close(signal_pipe[1]);
if (pid == -1) {
uv__close(signal_pipe[0]);
goto error;
process->pid = pid;
process->exit_cb = options->exit_cb;
QUEUE_INSERT_TAIL(&loop->process_handles, &process->queue);
uv__handle_start(process);
}
process->status = 0;
exec_errorno = 0;
do
r = read(signal_pipe[0], &exec_errorno, sizeof(exec_errorno));
while (r == -1 && errno == EINTR);
if (r == 0)
; /* okay, EOF */
else if (r == sizeof(exec_errorno)) {
do
err = waitpid(pid, &status, 0); /* okay, read errorno */
while (err == -1 && errno == EINTR);
assert(err == pid);
} else if (r == -1 && errno == EPIPE) {
do
err = waitpid(pid, &status, 0); /* okay, got EPIPE */
while (err == -1 && errno == EINTR);
assert(err == pid);
} else
abort();
uv__close_nocheckstdio(signal_pipe[0]);
for (i = 0; i < options->stdio_count; i++) {
err = uv__process_open_stream(options->stdio + i, pipes[i]);
if (err == 0)
@ -493,15 +1027,6 @@ int uv_spawn(uv_loop_t* loop,
goto error;
}
/* Only activate this handle if exec() happened successfully */
if (exec_errorno == 0) {
QUEUE_INSERT_TAIL(&loop->process_handles, &process->queue);
uv__handle_start(process);
}
process->pid = pid;
process->exit_cb = options->exit_cb;
if (pipes != pipes_storage)
uv__free(pipes);

38
deps/libuv/src/unix/stream.c vendored
View File

@ -58,20 +58,6 @@ struct uv__stream_select_s {
fd_set* swrite;
size_t swrite_sz;
};
/* Due to a possible kernel bug at least in OS X 10.10 "Yosemite",
* EPROTOTYPE can be returned while trying to write to a socket that is
* shutting down. If we retry the write, we should get the expected EPIPE
* instead.
*/
# define RETRY_ON_WRITE_ERROR(errno) (errno == EINTR || errno == EPROTOTYPE)
# define IS_TRANSIENT_WRITE_ERROR(errno, send_handle) \
(errno == EAGAIN || errno == EWOULDBLOCK || errno == ENOBUFS || \
(errno == EMSGSIZE && send_handle != NULL))
#else
# define RETRY_ON_WRITE_ERROR(errno) (errno == EINTR)
# define IS_TRANSIENT_WRITE_ERROR(errno, send_handle) \
(errno == EAGAIN || errno == EWOULDBLOCK || errno == ENOBUFS)
#endif /* defined(__APPLE__) */
static void uv__stream_connect(uv_stream_t*);
@ -658,11 +644,11 @@ int uv_listen(uv_stream_t* stream, int backlog, uv_connection_cb cb) {
switch (stream->type) {
case UV_TCP:
err = uv_tcp_listen((uv_tcp_t*)stream, backlog, cb);
err = uv__tcp_listen((uv_tcp_t*)stream, backlog, cb);
break;
case UV_NAMED_PIPE:
err = uv_pipe_listen((uv_pipe_t*)stream, backlog, cb);
err = uv__pipe_listen((uv_pipe_t*)stream, backlog, cb);
break;
default:
@ -866,19 +852,33 @@ static int uv__try_write(uv_stream_t* stream,
do
n = sendmsg(uv__stream_fd(stream), &msg, 0);
while (n == -1 && RETRY_ON_WRITE_ERROR(errno));
while (n == -1 && errno == EINTR);
} else {
do
n = uv__writev(uv__stream_fd(stream), iov, iovcnt);
while (n == -1 && RETRY_ON_WRITE_ERROR(errno));
while (n == -1 && errno == EINTR);
}
if (n >= 0)
return n;
if (IS_TRANSIENT_WRITE_ERROR(errno, send_handle))
if (errno == EAGAIN || errno == EWOULDBLOCK || errno == ENOBUFS)
return UV_EAGAIN;
#ifdef __APPLE__
/* macOS versions 10.10 and 10.15 - and presumbaly 10.11 to 10.14, too -
* have a bug where a race condition causes the kernel to return EPROTOTYPE
* because the socket isn't fully constructed. It's probably the result of
* the peer closing the connection and that is why libuv translates it to
* ECONNRESET. Previously, libuv retried until the EPROTOTYPE error went
* away but some VPN software causes the same behavior except the error is
* permanent, not transient, turning the retry mechanism into an infinite
* loop. See https://github.com/libuv/libuv/pull/482.
*/
if (errno == EPROTOTYPE)
return UV_ECONNRESET;
#endif /* __APPLE__ */
return UV__ERR(errno);
}

2
deps/libuv/src/unix/tcp.c vendored
View File

@ -328,7 +328,7 @@ int uv_tcp_close_reset(uv_tcp_t* handle, uv_close_cb close_cb) {
}
int uv_tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb) {
int uv__tcp_listen(uv_tcp_t* tcp, int backlog, uv_connection_cb cb) {
static int single_accept_cached = -1;
unsigned long flags;
int single_accept;

84
deps/libuv/src/unix/thread.c vendored
View File

@ -162,11 +162,45 @@ void uv_barrier_destroy(uv_barrier_t* barrier) {
#endif
/* Musl's PTHREAD_STACK_MIN is 2 KB on all architectures, which is
* too small to safely receive signals on.
*
* Musl's PTHREAD_STACK_MIN + MINSIGSTKSZ == 8192 on arm64 (which has
* the largest MINSIGSTKSZ of the architectures that musl supports) so
* let's use that as a lower bound.
*
* We use a hardcoded value because PTHREAD_STACK_MIN + MINSIGSTKSZ
* is between 28 and 133 KB when compiling against glibc, depending
* on the architecture.
*/
static size_t uv__min_stack_size(void) {
static const size_t min = 8192;
#ifdef PTHREAD_STACK_MIN /* Not defined on NetBSD. */
if (min < (size_t) PTHREAD_STACK_MIN)
return PTHREAD_STACK_MIN;
#endif /* PTHREAD_STACK_MIN */
return min;
}
/* On Linux, threads created by musl have a much smaller stack than threads
* created by glibc (80 vs. 2048 or 4096 kB.) Follow glibc for consistency.
*/
static size_t uv__default_stack_size(void) {
#if !defined(__linux__)
return 0;
#elif defined(__PPC__) || defined(__ppc__) || defined(__powerpc__)
return 4 << 20; /* glibc default. */
#else
return 2 << 20; /* glibc default. */
#endif
}
/* On MacOS, threads other than the main thread are created with a reduced
* stack size by default. Adjust to RLIMIT_STACK aligned to the page size.
*
* On Linux, threads created by musl have a much smaller stack than threads
* created by glibc (80 vs. 2048 or 4096 kB.) Follow glibc for consistency.
*/
size_t uv__thread_stack_size(void) {
#if defined(__APPLE__) || defined(__linux__)
@ -176,34 +210,20 @@ size_t uv__thread_stack_size(void) {
* the system call wrapper invokes the wrong system call. Don't treat
* that as fatal, just use the default stack size instead.
*/
if (0 == getrlimit(RLIMIT_STACK, &lim) && lim.rlim_cur != RLIM_INFINITY) {
/* pthread_attr_setstacksize() expects page-aligned values. */
lim.rlim_cur -= lim.rlim_cur % (rlim_t) getpagesize();
if (getrlimit(RLIMIT_STACK, &lim))
return uv__default_stack_size();
/* Musl's PTHREAD_STACK_MIN is 2 KB on all architectures, which is
* too small to safely receive signals on.
*
* Musl's PTHREAD_STACK_MIN + MINSIGSTKSZ == 8192 on arm64 (which has
* the largest MINSIGSTKSZ of the architectures that musl supports) so
* let's use that as a lower bound.
*
* We use a hardcoded value because PTHREAD_STACK_MIN + MINSIGSTKSZ
* is between 28 and 133 KB when compiling against glibc, depending
* on the architecture.
*/
if (lim.rlim_cur >= 8192)
if (lim.rlim_cur >= PTHREAD_STACK_MIN)
return lim.rlim_cur;
}
if (lim.rlim_cur == RLIM_INFINITY)
return uv__default_stack_size();
/* pthread_attr_setstacksize() expects page-aligned values. */
lim.rlim_cur -= lim.rlim_cur % (rlim_t) getpagesize();
if (lim.rlim_cur >= (rlim_t) uv__min_stack_size())
return lim.rlim_cur;
#endif
#if !defined(__linux__)
return 0;
#elif defined(__PPC__) || defined(__ppc__) || defined(__powerpc__)
return 4 << 20; /* glibc default. */
#else
return 2 << 20; /* glibc default. */
#endif
return uv__default_stack_size();
}
@ -222,6 +242,7 @@ int uv_thread_create_ex(uv_thread_t* tid,
pthread_attr_t attr_storage;
size_t pagesize;
size_t stack_size;
size_t min_stack_size;
/* Used to squelch a -Wcast-function-type warning. */
union {
@ -239,10 +260,9 @@ int uv_thread_create_ex(uv_thread_t* tid,
pagesize = (size_t)getpagesize();
/* Round up to the nearest page boundary. */
stack_size = (stack_size + pagesize - 1) &~ (pagesize - 1);
#ifdef PTHREAD_STACK_MIN
if (stack_size < PTHREAD_STACK_MIN)
stack_size = PTHREAD_STACK_MIN;
#endif
min_stack_size = uv__min_stack_size();
if (stack_size < min_stack_size)
stack_size = min_stack_size;
}
if (stack_size > 0) {

19
deps/libuv/src/unix/udp.c vendored
View File

@ -201,6 +201,7 @@ static int uv__udp_recvmmsg(uv_udp_t* handle, uv_buf_t* buf) {
for (k = 0; k < chunks; ++k) {
iov[k].iov_base = buf->base + k * UV__UDP_DGRAM_MAXSIZE;
iov[k].iov_len = UV__UDP_DGRAM_MAXSIZE;
memset(&msgs[k].msg_hdr, 0, sizeof(msgs[k].msg_hdr));
msgs[k].msg_hdr.msg_iov = iov + k;
msgs[k].msg_hdr.msg_iovlen = 1;
msgs[k].msg_hdr.msg_name = peers + k;
@ -494,7 +495,7 @@ static int uv__set_reuse(int fd) {
if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &yes, sizeof(yes)))
return UV__ERR(errno);
}
#elif defined(SO_REUSEPORT) && !defined(__linux__)
#elif defined(SO_REUSEPORT) && !defined(__linux__) && !defined(__GNU__)
if (setsockopt(fd, SOL_SOCKET, SO_REUSEPORT, &yes, sizeof(yes)))
return UV__ERR(errno);
#else
@ -655,16 +656,16 @@ int uv__udp_connect(uv_udp_t* handle,
}
/* From https://pubs.opengroup.org/onlinepubs/9699919799/functions/connect.html
* Any of uv supported UNIXs kernel should be standardized, but the kernel
* Any of uv supported UNIXs kernel should be standardized, but the kernel
* implementation logic not same, let's use pseudocode to explain the udp
* disconnect behaviors:
*
*
* Predefined stubs for pseudocode:
* 1. sodisconnect: The function to perform the real udp disconnect
* 2. pru_connect: The function to perform the real udp connect
* 3. so: The kernel object match with socket fd
* 4. addr: The sockaddr parameter from user space
*
*
* BSDs:
* if(sodisconnect(so) == 0) { // udp disconnect succeed
* if (addr->sa_len != so->addr->sa_len) return EINVAL;
@ -694,13 +695,13 @@ int uv__udp_disconnect(uv_udp_t* handle) {
#endif
memset(&addr, 0, sizeof(addr));
#if defined(__MVS__)
addr.ss_family = AF_UNSPEC;
#else
addr.sa_family = AF_UNSPEC;
#endif
do {
errno = 0;
r = connect(handle->io_watcher.fd, (struct sockaddr*) &addr, sizeof(addr));
@ -927,7 +928,8 @@ static int uv__udp_set_membership6(uv_udp_t* handle,
!defined(__NetBSD__) && \
!defined(__ANDROID__) && \
!defined(__DragonFly__) && \
!defined(__QNX__)
!defined(__QNX__) && \
!defined(__GNU__)
static int uv__udp_set_source_membership4(uv_udp_t* handle,
const struct sockaddr_in* multicast_addr,
const char* interface_addr,
@ -1119,7 +1121,8 @@ int uv_udp_set_source_membership(uv_udp_t* handle,
!defined(__NetBSD__) && \
!defined(__ANDROID__) && \
!defined(__DragonFly__) && \
!defined(__QNX__)
!defined(__QNX__) && \
!defined(__GNU__)
int err;
union uv__sockaddr mcast_addr;
union uv__sockaddr src_addr;