libuv-svace-build

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/* Copyright libuv project contributors. All rights reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a copy
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 * of this software and associated documentation files (the "Software"), to
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 * deal in the Software without restriction, including without limitation the
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 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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 * sell copies of the Software, and to permit persons to whom the Software is
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 * furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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 * IN THE SOFTWARE.
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 */
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#include "uv.h"
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#include "task.h"
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#ifdef _WIN32
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TEST_IMPL(eintr_handling) {
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  RETURN_SKIP("Test not implemented on Windows.");
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}
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#else  /* !_WIN32 */
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#include <string.h>
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#include <unistd.h>
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static uv_loop_t* loop;
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static uv_fs_t read_req;
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static uv_buf_t iov;
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static char buf[32];
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static char test_buf[] = "test-buffer\n";
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int pipe_fds[2];
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struct thread_ctx {
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  uv_barrier_t barrier;
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  int fd;
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};
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static void thread_main(void* arg) {
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  int nwritten;
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  ASSERT_OK(kill(getpid(), SIGUSR1));
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  do
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    nwritten = write(pipe_fds[1], test_buf, sizeof(test_buf));
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  while (nwritten == -1 && errno == EINTR);
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  ASSERT_EQ(nwritten, sizeof(test_buf));
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}
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static void sig_func(uv_signal_t* handle, int signum) {
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  uv_signal_stop(handle);
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}
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TEST_IMPL(eintr_handling) {
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  struct thread_ctx ctx;
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  uv_thread_t thread;
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  uv_signal_t signal;
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  int nread;
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  iov = uv_buf_init(buf, sizeof(buf));
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  loop = uv_default_loop();
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  ASSERT_OK(uv_signal_init(loop, &signal));
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  ASSERT_OK(uv_signal_start(&signal, sig_func, SIGUSR1));
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  ASSERT_OK(pipe(pipe_fds));
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  ASSERT_OK(uv_thread_create(&thread, thread_main, &ctx));
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  nread = uv_fs_read(loop, &read_req, pipe_fds[0], &iov, 1, -1, NULL);
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  ASSERT_EQ(nread, sizeof(test_buf));
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  ASSERT_OK(strcmp(buf, test_buf));
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  ASSERT_OK(uv_run(loop, UV_RUN_DEFAULT));
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  ASSERT_OK(close(pipe_fds[0]));
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  ASSERT_OK(close(pipe_fds[1]));
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  uv_close((uv_handle_t*) &signal, NULL);
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  ASSERT_OK(uv_thread_join(&thread));
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  MAKE_VALGRIND_HAPPY(loop);
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  return 0;
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}
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#endif  /* !_WIN32 */
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