tildefriends/deps/libuv/test/test-signal.c
2023-11-07 17:30:39 +00:00

326 lines
9.6 KiB
C

/* Copyright Joyent, Inc. and other Node 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.
*/
#include "uv.h"
#include "task.h"
#ifndef _WIN32
#include <unistd.h>
#endif
TEST_IMPL(kill_invalid_signum) {
uv_pid_t pid;
pid = uv_os_getpid();
ASSERT_EQ(uv_kill(pid, -1), UV_EINVAL);
#ifdef _WIN32
/* NSIG is not available on all platforms. */
ASSERT_EQ(uv_kill(pid, NSIG), UV_EINVAL);
#endif
ASSERT_EQ(uv_kill(pid, 4096), UV_EINVAL);
MAKE_VALGRIND_HAPPY(uv_default_loop());
return 0;
}
/* For Windows we test only signum handling */
#ifdef _WIN32
static void signum_test_cb(uv_signal_t* handle, int signum) {
FATAL("signum_test_cb should not be called");
}
TEST_IMPL(win32_signum_number) {
uv_signal_t signal;
uv_loop_t* loop;
loop = uv_default_loop();
uv_signal_init(loop, &signal);
ASSERT_EQ(uv_signal_start(&signal, signum_test_cb, 0), UV_EINVAL);
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGINT));
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGBREAK));
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGHUP));
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGWINCH));
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGILL));
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGABRT_COMPAT));
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGFPE));
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGSEGV));
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGTERM));
ASSERT_OK(uv_signal_start(&signal, signum_test_cb, SIGABRT));
ASSERT_EQ(uv_signal_start(&signal, signum_test_cb, -1), UV_EINVAL);
ASSERT_EQ(uv_signal_start(&signal, signum_test_cb, NSIG), UV_EINVAL);
ASSERT_EQ(uv_signal_start(&signal, signum_test_cb, 1024), UV_EINVAL);
MAKE_VALGRIND_HAPPY(loop);
return 0;
}
#else
#include <errno.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#define NSIGNALS 10
struct timer_ctx {
unsigned int ncalls;
uv_timer_t handle;
int signum;
};
struct signal_ctx {
enum { CLOSE, STOP, NOOP } stop_or_close;
unsigned int ncalls;
uv_signal_t handle;
int signum;
int one_shot;
};
static void signal_cb(uv_signal_t* handle, int signum) {
struct signal_ctx* ctx = container_of(handle, struct signal_ctx, handle);
ASSERT_EQ(signum, ctx->signum);
if (++ctx->ncalls == NSIGNALS) {
if (ctx->stop_or_close == STOP)
uv_signal_stop(handle);
else if (ctx->stop_or_close == CLOSE)
uv_close((uv_handle_t*)handle, NULL);
else
ASSERT(0);
}
}
static void signal_cb_one_shot(uv_signal_t* handle, int signum) {
struct signal_ctx* ctx = container_of(handle, struct signal_ctx, handle);
ASSERT_EQ(signum, ctx->signum);
ASSERT_EQ(1, ++ctx->ncalls);
if (ctx->stop_or_close == CLOSE)
uv_close((uv_handle_t*)handle, NULL);
}
static void timer_cb(uv_timer_t* handle) {
struct timer_ctx* ctx = container_of(handle, struct timer_ctx, handle);
raise(ctx->signum);
if (++ctx->ncalls == NSIGNALS)
uv_close((uv_handle_t*)handle, NULL);
}
static void start_watcher(uv_loop_t* loop,
int signum,
struct signal_ctx* ctx,
int one_shot) {
ctx->ncalls = 0;
ctx->signum = signum;
ctx->stop_or_close = CLOSE;
ctx->one_shot = one_shot;
ASSERT_OK(uv_signal_init(loop, &ctx->handle));
if (one_shot)
ASSERT_OK(uv_signal_start_oneshot(&ctx->handle, signal_cb_one_shot, signum));
else
ASSERT_OK(uv_signal_start(&ctx->handle, signal_cb, signum));
}
static void start_timer(uv_loop_t* loop, int signum, struct timer_ctx* ctx) {
ctx->ncalls = 0;
ctx->signum = signum;
ASSERT_OK(uv_timer_init(loop, &ctx->handle));
ASSERT_OK(uv_timer_start(&ctx->handle, timer_cb, 5, 5));
}
TEST_IMPL(we_get_signal) {
struct signal_ctx sc;
struct timer_ctx tc;
uv_loop_t* loop;
loop = uv_default_loop();
start_timer(loop, SIGCHLD, &tc);
start_watcher(loop, SIGCHLD, &sc, 0);
sc.stop_or_close = STOP; /* stop, don't close the signal handle */
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_EQ(sc.ncalls, NSIGNALS);
start_timer(loop, SIGCHLD, &tc);
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_EQ(sc.ncalls, NSIGNALS);
sc.ncalls = 0;
sc.stop_or_close = CLOSE; /* now close it when it's done */
uv_signal_start(&sc.handle, signal_cb, SIGCHLD);
start_timer(loop, SIGCHLD, &tc);
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_EQ(sc.ncalls, NSIGNALS);
MAKE_VALGRIND_HAPPY(loop);
return 0;
}
TEST_IMPL(we_get_signals) {
struct signal_ctx sc[4];
struct timer_ctx tc[2];
uv_loop_t* loop;
unsigned int i;
loop = uv_default_loop();
start_watcher(loop, SIGUSR1, sc + 0, 0);
start_watcher(loop, SIGUSR1, sc + 1, 0);
start_watcher(loop, SIGUSR2, sc + 2, 0);
start_watcher(loop, SIGUSR2, sc + 3, 0);
start_timer(loop, SIGUSR1, tc + 0);
start_timer(loop, SIGUSR2, tc + 1);
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
for (i = 0; i < ARRAY_SIZE(sc); i++)
ASSERT_EQ(sc[i].ncalls, NSIGNALS);
for (i = 0; i < ARRAY_SIZE(tc); i++)
ASSERT_EQ(tc[i].ncalls, NSIGNALS);
MAKE_VALGRIND_HAPPY(loop);
return 0;
}
TEST_IMPL(we_get_signal_one_shot) {
struct signal_ctx sc;
struct timer_ctx tc;
uv_loop_t* loop;
loop = uv_default_loop();
start_timer(loop, SIGCHLD, &tc);
start_watcher(loop, SIGCHLD, &sc, 1);
sc.stop_or_close = NOOP;
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_EQ(1, sc.ncalls);
start_timer(loop, SIGCHLD, &tc);
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(1, sc.ncalls);
sc.ncalls = 0;
sc.stop_or_close = CLOSE; /* now close it when it's done */
uv_signal_start_oneshot(&sc.handle, signal_cb_one_shot, SIGCHLD);
start_timer(loop, SIGCHLD, &tc);
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_EQ(1, sc.ncalls);
MAKE_VALGRIND_HAPPY(loop);
return 0;
}
TEST_IMPL(we_get_signals_mixed) {
struct signal_ctx sc[4];
struct timer_ctx tc;
uv_loop_t* loop;
loop = uv_default_loop();
/* 2 one-shot */
start_timer(loop, SIGCHLD, &tc);
start_watcher(loop, SIGCHLD, sc + 0, 1);
start_watcher(loop, SIGCHLD, sc + 1, 1);
sc[0].stop_or_close = CLOSE;
sc[1].stop_or_close = CLOSE;
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_EQ(1, sc[0].ncalls);
ASSERT_EQ(1, sc[1].ncalls);
/* 2 one-shot, 1 normal then remove normal */
start_timer(loop, SIGCHLD, &tc);
start_watcher(loop, SIGCHLD, sc + 0, 1);
start_watcher(loop, SIGCHLD, sc + 1, 1);
sc[0].stop_or_close = CLOSE;
sc[1].stop_or_close = CLOSE;
start_watcher(loop, SIGCHLD, sc + 2, 0);
uv_close((uv_handle_t*)&(sc[2]).handle, NULL);
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_EQ(1, sc[0].ncalls);
ASSERT_EQ(1, sc[1].ncalls);
ASSERT_OK(sc[2].ncalls);
/* 2 normal, 1 one-shot then remove one-shot */
start_timer(loop, SIGCHLD, &tc);
start_watcher(loop, SIGCHLD, sc + 0, 0);
start_watcher(loop, SIGCHLD, sc + 1, 0);
sc[0].stop_or_close = CLOSE;
sc[1].stop_or_close = CLOSE;
start_watcher(loop, SIGCHLD, sc + 2, 1);
uv_close((uv_handle_t*)&(sc[2]).handle, NULL);
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_EQ(sc[0].ncalls, NSIGNALS);
ASSERT_EQ(sc[1].ncalls, NSIGNALS);
ASSERT_OK(sc[2].ncalls);
/* 2 normal, 2 one-shot then remove 2 normal */
start_timer(loop, SIGCHLD, &tc);
start_watcher(loop, SIGCHLD, sc + 0, 0);
start_watcher(loop, SIGCHLD, sc + 1, 0);
start_watcher(loop, SIGCHLD, sc + 2, 1);
start_watcher(loop, SIGCHLD, sc + 3, 1);
sc[2].stop_or_close = CLOSE;
sc[3].stop_or_close = CLOSE;
uv_close((uv_handle_t*)&(sc[0]).handle, NULL);
uv_close((uv_handle_t*)&(sc[1]).handle, NULL);
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_OK(sc[0].ncalls);
ASSERT_OK(sc[1].ncalls);
ASSERT_EQ(1, sc[2].ncalls);
ASSERT_EQ(1, sc[2].ncalls);
/* 1 normal, 1 one-shot, 2 normal then remove 1st normal, 2nd normal */
start_timer(loop, SIGCHLD, &tc);
start_watcher(loop, SIGCHLD, sc + 0, 0);
start_watcher(loop, SIGCHLD, sc + 1, 1);
start_watcher(loop, SIGCHLD, sc + 2, 0);
start_watcher(loop, SIGCHLD, sc + 3, 0);
sc[3].stop_or_close = CLOSE;
uv_close((uv_handle_t*)&(sc[0]).handle, NULL);
uv_close((uv_handle_t*)&(sc[2]).handle, NULL);
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_EQ(tc.ncalls, NSIGNALS);
ASSERT_OK(sc[0].ncalls);
ASSERT_EQ(1, sc[1].ncalls);
ASSERT_OK(sc[2].ncalls);
ASSERT_EQ(sc[3].ncalls, NSIGNALS);
MAKE_VALGRIND_HAPPY(loop);
return 0;
}
#endif /* _WIN32 */