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85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/*
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* Copyright (c) 2019 Apple Inc. All rights reserved.
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*
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* @APPLE_APACHE_LICENSE_HEADER_START@
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @APPLE_APACHE_LICENSE_HEADER_END@
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <limits.h>
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#include <errno.h>
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#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
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#include <unistd.h>
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#elif defined(_WIN32)
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#include <Windows.h>
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#endif
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#include <bsdtests.h>
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#include "dispatch_test.h"
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#include <dispatch/dispatch.h>
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int
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main() {
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dispatch_test_start(NULL);
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#if defined(_WIN32)
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dispatch_fd_t readFD, writeFD;
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if (!CreatePipe((PHANDLE)&readFD, (PHANDLE)&writeFD, NULL, 0)) {
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test_long("CreatePipe", GetLastError(), ERROR_SUCCESS);
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test_stop();
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_Exit(EXIT_FAILURE);
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}
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#else
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int pipe_fds[2] = { -1, -1 };
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int pipe_err = pipe(pipe_fds);
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int readFD = pipe_fds[0];
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int writeFD = pipe_fds[1];
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if (pipe_err) {
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test_errno("pipe", errno, 0);
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test_stop();
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_Exit(EXIT_FAILURE);
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}
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#endif
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printf("readFD=%lld, writeFD=%lld\n", (long long)readFD, (long long)writeFD);
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dispatch_queue_t q = dispatch_queue_create("q", NULL);
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dispatch_io_t io = dispatch_io_create(DISPATCH_IO_STREAM, readFD, q, ^(int err) {
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printf("cleanup, err=%d\n", err);
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dispatch_test_fd_close(readFD);
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printf("all done\n");
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test_stop();
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_Exit(EXIT_SUCCESS);
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});
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dispatch_io_set_low_water(io, 0);
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dispatch_io_read(io, 0, UINT_MAX, q, ^(bool done, dispatch_data_t data, int err) {
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printf("read: \%d, %zu, %d\n", done, data == NULL ? 0 : dispatch_data_get_size(data), err);
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if (data != NULL && dispatch_data_get_size(data) > 0) {
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// will only happen once
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printf("closing writeFD\n");
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dispatch_test_fd_close(writeFD);
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dispatch_after(DISPATCH_TIME_NOW + 1, q, ^{
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dispatch_io_close(io, 0);
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});
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}
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});
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dispatch_resume(io);
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printf("writing\n");
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dispatch_test_fd_write(writeFD, "x", 1);
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printf("wrtten\n");
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dispatch_main();
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}
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