urbit/outside/libuv_0.11/test/test-signal.c

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2014-08-23 01:39:21 +04:00
/* 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.
*/
/* This test does not pretend to be cross-platform. */
#ifndef _WIN32
#include "uv.h"
#include "task.h"
#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 } stop_or_close;
unsigned int ncalls;
uv_signal_t handle;
int signum;
};
static void signal_cb(uv_signal_t* handle, int signum) {
struct signal_ctx* ctx = container_of(handle, struct signal_ctx, handle);
ASSERT(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 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) {
ctx->ncalls = 0;
ctx->signum = signum;
ctx->stop_or_close = CLOSE;
ASSERT(0 == uv_signal_init(loop, &ctx->handle));
ASSERT(0 == 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(0 == uv_timer_init(loop, &ctx->handle));
ASSERT(0 == 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);
sc.stop_or_close = STOP; /* stop, don't close the signal handle */
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
ASSERT(tc.ncalls == NSIGNALS);
ASSERT(sc.ncalls == NSIGNALS);
start_timer(loop, SIGCHLD, &tc);
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
ASSERT(tc.ncalls == NSIGNALS);
ASSERT(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(0 == uv_run(loop, UV_RUN_DEFAULT));
ASSERT(tc.ncalls == NSIGNALS);
ASSERT(sc.ncalls == NSIGNALS);
MAKE_VALGRIND_HAPPY();
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);
start_watcher(loop, SIGUSR1, sc + 1);
start_watcher(loop, SIGUSR2, sc + 2);
start_watcher(loop, SIGUSR2, sc + 3);
start_timer(loop, SIGUSR1, tc + 0);
start_timer(loop, SIGUSR2, tc + 1);
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
for (i = 0; i < ARRAY_SIZE(sc); i++)
ASSERT(sc[i].ncalls == NSIGNALS);
for (i = 0; i < ARRAY_SIZE(tc); i++)
ASSERT(tc[i].ncalls == NSIGNALS);
MAKE_VALGRIND_HAPPY();
return 0;
}
#endif /* _WIN32 */