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| 1 | +/* Copyright (c) 2015, Ben Noordhuis <[email protected]> |
| 2 | + * |
| 3 | + * Permission to use, copy, modify, and/or distribute this software for any |
| 4 | + * purpose with or without fee is hereby granted, provided that the above |
| 5 | + * copyright notice and this permission notice appear in all copies. |
| 6 | + * |
| 7 | + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 8 | + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 9 | + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
| 10 | + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 11 | + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 12 | + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
| 13 | + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 14 | + */ |
| 15 | + |
| 16 | +#include "uv.h" |
| 17 | +#include "task.h" |
| 18 | + |
| 19 | +#ifdef _WIN32 |
| 20 | + |
| 21 | +TEST_IMPL(pipe_set_non_blocking) { |
| 22 | + RETURN_SKIP("Test not implemented on Windows."); |
| 23 | +} |
| 24 | + |
| 25 | +#else /* !_WIN32 */ |
| 26 | + |
| 27 | +#include <errno.h> |
| 28 | +#include <string.h> |
| 29 | +#include <sys/socket.h> |
| 30 | +#include <sys/types.h> |
| 31 | +#include <sys/un.h> |
| 32 | +#include <unistd.h> |
| 33 | + |
| 34 | +struct thread_ctx { |
| 35 | + uv_barrier_t barrier; |
| 36 | + int fd; |
| 37 | +}; |
| 38 | + |
| 39 | +static void thread_main(void* arg) { |
| 40 | + struct thread_ctx* ctx; |
| 41 | + char buf[4096]; |
| 42 | + ssize_t n; |
| 43 | + |
| 44 | + ctx = arg; |
| 45 | + uv_barrier_wait(&ctx->barrier); |
| 46 | + |
| 47 | + do |
| 48 | + n = read(ctx->fd, buf, sizeof(buf)); |
| 49 | + while (n > 0 || (n == -1 && errno == EINTR)); |
| 50 | + |
| 51 | + ASSERT(n == 0); |
| 52 | +} |
| 53 | + |
| 54 | +TEST_IMPL(pipe_set_non_blocking) { |
| 55 | + struct thread_ctx ctx; |
| 56 | + uv_pipe_t pipe_handle; |
| 57 | + uv_thread_t thread; |
| 58 | + size_t nwritten; |
| 59 | + char data[4096]; |
| 60 | + uv_buf_t buf; |
| 61 | + int fd[2]; |
| 62 | + int n; |
| 63 | + |
| 64 | + ASSERT(0 == uv_pipe_init(uv_default_loop(), &pipe_handle, 0)); |
| 65 | + ASSERT(0 == socketpair(AF_UNIX, SOCK_STREAM, 0, fd)); |
| 66 | + ASSERT(0 == uv_pipe_open(&pipe_handle, fd[0])); |
| 67 | + ASSERT(0 == uv_stream_set_blocking((uv_stream_t*) &pipe_handle, 1)); |
| 68 | + |
| 69 | + ctx.fd = fd[1]; |
| 70 | + ASSERT(0 == uv_barrier_init(&ctx.barrier, 2)); |
| 71 | + ASSERT(0 == uv_thread_create(&thread, thread_main, &ctx)); |
| 72 | + uv_barrier_wait(&ctx.barrier); |
| 73 | + |
| 74 | + buf.len = sizeof(data); |
| 75 | + buf.base = data; |
| 76 | + memset(data, '.', sizeof(data)); |
| 77 | + |
| 78 | + nwritten = 0; |
| 79 | + while (nwritten < 10 << 20) { |
| 80 | + /* The stream is in blocking mode so uv_try_write() should always succeed |
| 81 | + * with the exact number of bytes that we wanted written. |
| 82 | + */ |
| 83 | + n = uv_try_write((uv_stream_t*) &pipe_handle, &buf, 1); |
| 84 | + ASSERT(n == sizeof(data)); |
| 85 | + nwritten += n; |
| 86 | + } |
| 87 | + |
| 88 | + uv_close((uv_handle_t*) &pipe_handle, NULL); |
| 89 | + ASSERT(0 == uv_run(uv_default_loop(), UV_RUN_DEFAULT)); |
| 90 | + |
| 91 | + ASSERT(0 == close(fd[1])); /* fd[0] is closed by uv_close(). */ |
| 92 | + ASSERT(0 == uv_thread_join(&thread)); |
| 93 | + uv_barrier_destroy(&ctx.barrier); |
| 94 | + |
| 95 | + MAKE_VALGRIND_HAPPY(); |
| 96 | + return 0; |
| 97 | +} |
| 98 | + |
| 99 | +#endif /* !_WIN32 */ |
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