forked from cory/tildefriends
Cory McWilliams
da51e87774
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3650 ed5197a5-7fde-0310-b194-c3ffbd925b24
133 lines
3.6 KiB
C
133 lines
3.6 KiB
C
/* Copyright (c) 2015, Ben Noordhuis <info@bnoordhuis.nl>
|
|
*
|
|
* Permission to use, copy, modify, and/or distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "uv.h"
|
|
#include "task.h"
|
|
|
|
#include <string.h> /* memset */
|
|
#ifndef _WIN32
|
|
#include <unistd.h> /* close */
|
|
#endif
|
|
|
|
struct thread_ctx {
|
|
uv_barrier_t barrier;
|
|
uv_file fd;
|
|
};
|
|
|
|
static void thread_main(void* arg) {
|
|
struct thread_ctx* ctx;
|
|
uv_fs_t req;
|
|
uv_buf_t bufs[1];
|
|
char buf[4096];
|
|
ssize_t n;
|
|
int uv_errno;
|
|
|
|
bufs[0] = uv_buf_init(buf, sizeof(buf));
|
|
|
|
ctx = arg;
|
|
uv_barrier_wait(&ctx->barrier);
|
|
|
|
uv_sleep(100); /* make sure we are forcing the writer to block a bit */
|
|
do {
|
|
uv_errno = uv_fs_read(NULL, &req, ctx->fd, bufs, 1, -1, NULL);
|
|
n = req.result;
|
|
uv_fs_req_cleanup(&req);
|
|
} while (n > 0 || (n == -1 && uv_errno == UV_EINTR));
|
|
|
|
#ifdef _WIN32
|
|
ASSERT(n == UV_EOF);
|
|
#else
|
|
ASSERT(n == 0);
|
|
#endif
|
|
}
|
|
|
|
|
|
#ifdef _WIN32
|
|
static void write_cb(uv_write_t* req, int status) {
|
|
ASSERT(status == 0);
|
|
req->handle = NULL; /* signal completion of write_cb */
|
|
}
|
|
#endif
|
|
|
|
#ifdef _WIN32
|
|
#define NWRITES (10 << 16)
|
|
#else
|
|
#define NWRITES (10 << 20)
|
|
#endif
|
|
|
|
|
|
TEST_IMPL(pipe_set_non_blocking) {
|
|
struct thread_ctx ctx;
|
|
uv_pipe_t pipe_handle;
|
|
uv_thread_t thread;
|
|
size_t nwritten;
|
|
char data[4096];
|
|
uv_buf_t buf;
|
|
uv_file fd[2];
|
|
int n;
|
|
#ifdef _WIN32
|
|
uv_write_t write_req;
|
|
#endif
|
|
|
|
ASSERT(0 == uv_pipe_init(uv_default_loop(), &pipe_handle, 0));
|
|
ASSERT(0 == uv_pipe(fd, 0, 0));
|
|
ASSERT(0 == uv_pipe_open(&pipe_handle, fd[1]));
|
|
ASSERT(0 == uv_stream_set_blocking((uv_stream_t*) &pipe_handle, 1));
|
|
fd[1] = -1; /* fd[1] is owned by pipe_handle now. */
|
|
|
|
ctx.fd = fd[0];
|
|
ASSERT(0 == uv_barrier_init(&ctx.barrier, 2));
|
|
ASSERT(0 == uv_thread_create(&thread, thread_main, &ctx));
|
|
uv_barrier_wait(&ctx.barrier);
|
|
|
|
buf.len = sizeof(data);
|
|
buf.base = data;
|
|
memset(data, '.', sizeof(data));
|
|
|
|
nwritten = 0;
|
|
while (nwritten < NWRITES) {
|
|
/* The stream is in blocking mode so uv_try_write() should always succeed
|
|
* with the exact number of bytes that we wanted written.
|
|
*/
|
|
n = uv_try_write((uv_stream_t*) &pipe_handle, &buf, 1);
|
|
#ifdef _WIN32
|
|
ASSERT(n == UV_EAGAIN); /* E_NOTIMPL */
|
|
ASSERT(0 == uv_write(&write_req, (uv_stream_t*) &pipe_handle, &buf, 1, write_cb));
|
|
ASSERT_NOT_NULL(write_req.handle);
|
|
ASSERT(1 == uv_run(uv_default_loop(), UV_RUN_ONCE)); /* queue write_cb */
|
|
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_ONCE)); /* process write_cb */
|
|
ASSERT_NULL(write_req.handle); /* check for signaled completion of write_cb */
|
|
n = buf.len;
|
|
#endif
|
|
ASSERT(n == sizeof(data));
|
|
nwritten += n;
|
|
}
|
|
|
|
uv_close((uv_handle_t*) &pipe_handle, NULL);
|
|
ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT));
|
|
|
|
ASSERT(0 == uv_thread_join(&thread));
|
|
#ifdef _WIN32
|
|
ASSERT(0 == _close(fd[0])); /* fd[1] is closed by uv_close(). */
|
|
#else
|
|
ASSERT(0 == close(fd[0])); /* fd[1] is closed by uv_close(). */
|
|
#endif
|
|
fd[0] = -1;
|
|
uv_barrier_destroy(&ctx.barrier);
|
|
|
|
MAKE_VALGRIND_HAPPY();
|
|
return 0;
|
|
}
|