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/* 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"
#ifdef _WIN32
TEST_IMPL(pipe_set_non_blocking) {
RETURN_SKIP("Test not implemented on Windows.");
}
#else /* !_WIN32 */
#include <errno.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/un.h>
#include <unistd.h>
struct thread_ctx {
uv_barrier_t barrier;
int fd;
};
static void thread_main(void* arg) {
struct thread_ctx* ctx;
char buf[4096];
ssize_t n;
ctx = arg;
uv_barrier_wait(&ctx->barrier);
do
n = read(ctx->fd, buf, sizeof(buf));
while (n > 0 || (n == -1 && errno == EINTR));
ASSERT(n == 0);
}
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;
int fd[2];
int n;
ASSERT(0 == uv_pipe_init(uv_default_loop(), &pipe_handle, 0));
ASSERT(0 == socketpair(AF_UNIX, SOCK_STREAM, 0, fd));
ASSERT(0 == uv_pipe_open(&pipe_handle, fd[0]));
ASSERT(0 == uv_stream_set_blocking((uv_stream_t*) &pipe_handle, 1));
ctx.fd = fd[1];
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 < 10 << 20) {
/* 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);
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));
ASSERT(0 == close(fd[1])); /* fd[0] is closed by uv_close(). */
uv_barrier_destroy(&ctx.barrier);
MAKE_VALGRIND_HAPPY();
return 0;
}
#endif /* !_WIN32 */