tildefriends/deps/libuv/test/test-eintr-handling.c

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/* 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.
*/
#include "uv.h"
#include "task.h"
#ifdef _WIN32
TEST_IMPL(eintr_handling) {
RETURN_SKIP("Test not implemented on Windows.");
}
#else /* !_WIN32 */
#include <string.h>
#include <unistd.h>
static uv_loop_t* loop;
static uv_fs_t read_req;
static uv_buf_t iov;
static char buf[32];
static char test_buf[] = "test-buffer\n";
int pipe_fds[2];
struct thread_ctx {
uv_barrier_t barrier;
int fd;
};
static void thread_main(void* arg) {
int nwritten;
ASSERT_OK(kill(getpid(), SIGUSR1));
do
nwritten = write(pipe_fds[1], test_buf, sizeof(test_buf));
while (nwritten == -1 && errno == EINTR);
ASSERT_EQ(nwritten, sizeof(test_buf));
}
static void sig_func(uv_signal_t* handle, int signum) {
uv_signal_stop(handle);
}
TEST_IMPL(eintr_handling) {
struct thread_ctx ctx;
uv_thread_t thread;
uv_signal_t signal;
int nread;
iov = uv_buf_init(buf, sizeof(buf));
loop = uv_default_loop();
ASSERT_OK(uv_signal_init(loop, &signal));
ASSERT_OK(uv_signal_start(&signal, sig_func, SIGUSR1));
ASSERT_OK(pipe(pipe_fds));
ASSERT_OK(uv_thread_create(&thread, thread_main, &ctx));
nread = uv_fs_read(loop, &read_req, pipe_fds[0], &iov, 1, -1, NULL);
ASSERT_EQ(nread, sizeof(test_buf));
ASSERT_OK(strcmp(buf, test_buf));
ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
ASSERT_OK(close(pipe_fds[0]));
ASSERT_OK(close(pipe_fds[1]));
uv_close((uv_handle_t*) &signal, NULL);
ASSERT_OK(uv_thread_join(&thread));
MAKE_VALGRIND_HAPPY(loop);
return 0;
}
#endif /* !_WIN32 */