forked from OSchip/llvm-project
58 lines
1.7 KiB
C
58 lines
1.7 KiB
C
// RUN: %clang_tsan %s -o %t
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// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not='ThreadSanitizer'
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#include <dispatch/dispatch.h>
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#include <stdio.h>
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#include <stdlib.h>
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long my_global = 0;
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int main(int argc, const char *argv[]) {
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fprintf(stderr, "Hello world.\n");
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dispatch_queue_t queue = dispatch_queue_create("my.queue", DISPATCH_QUEUE_CONCURRENT);
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dispatch_semaphore_t sem = dispatch_semaphore_create(0);
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const char *path = tempnam(NULL, "libdispatch-io-cleanup-");
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dispatch_io_t channel;
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dispatch_fd_t fd = open(path, O_CREAT | O_WRONLY, 0666);
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my_global++;
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channel = dispatch_io_create(DISPATCH_IO_STREAM, fd, queue, ^(int error) {
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my_global++;
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dispatch_semaphore_signal(sem);
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});
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if (! channel) abort();
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my_global++;
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dispatch_io_close(channel, 0);
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dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
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my_global++;
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channel = dispatch_io_create_with_path(DISPATCH_IO_STREAM, path, O_CREAT | O_WRONLY, 0666, queue, ^(int error) {
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my_global++;
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dispatch_semaphore_signal(sem);
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});
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if (! channel) abort();
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my_global++;
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dispatch_io_close(channel, 0);
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dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
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my_global++;
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dispatch_io_t other_channel = dispatch_io_create_with_path(DISPATCH_IO_STREAM, path, O_CREAT | O_WRONLY, 0666, queue, ^(int error) { });
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channel = dispatch_io_create_with_io(DISPATCH_IO_STREAM, other_channel, queue, ^(int error) {
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my_global++;
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dispatch_semaphore_signal(sem);
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});
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if (! channel) abort();
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my_global++;
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dispatch_io_close(channel, 0);
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dispatch_io_close(other_channel, 0);
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dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER);
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fprintf(stderr, "Done.\n");
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return 0;
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}
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// CHECK: Hello world.
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// CHECK: Done.
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