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author | Julian Lettner <jlettner@apple.com> | 2019-04-12 23:07:00 +0000 |
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committer | Julian Lettner <jlettner@apple.com> | 2019-04-12 23:07:00 +0000 |
commit | 8fa46946cfbe3eb0e23dde603799e9af586fe374 (patch) | |
tree | b2407b138abd575e0f1c162d1ff7949b930424b7 /test/tsan/libdispatch/fd.c | |
parent | 27203330a45da31e6db3163eceda5f6038fcc4dc (diff) | |
download | compiler-rt-8fa46946cfbe3eb0e23dde603799e9af586fe374.tar.gz |
[TSan][libdispatch] Move libdispatch tests out of Darwin folder
The libdispatch tests are now not tied to Darwin anymore. Move them to
their own platform-independent folder.
git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@358316 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/tsan/libdispatch/fd.c')
-rw-r--r-- | test/tsan/libdispatch/fd.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/test/tsan/libdispatch/fd.c b/test/tsan/libdispatch/fd.c new file mode 100644 index 000000000..9a77a3f3c --- /dev/null +++ b/test/tsan/libdispatch/fd.c @@ -0,0 +1,62 @@ +// RUN: %clang_tsan %s -o %t +// RUN: %run %t 2>&1 | FileCheck %s + +#include <dispatch/dispatch.h> + +#include <stdio.h> + +long my_global = 0; + +int main(int argc, const char *argv[]) { + fprintf(stderr, "Hello world.\n"); + + dispatch_queue_t queue = dispatch_queue_create("my.queue", DISPATCH_QUEUE_SERIAL); + dispatch_semaphore_t sem = dispatch_semaphore_create(0); + + const char *path = tempnam(NULL, "libdispatch-fd-"); + + dispatch_io_t channel = dispatch_io_create_with_path(DISPATCH_IO_STREAM, path, O_CREAT | O_WRONLY, + 0666, queue, ^(int error) { }); + dispatch_io_set_high_water(channel, 1); + + char buf[1000]; + dispatch_data_t data = dispatch_data_create(buf, sizeof(buf), NULL, DISPATCH_DATA_DESTRUCTOR_DEFAULT); + + my_global++; + dispatch_io_write(channel, 0, data, queue, ^(bool done, dispatch_data_t remainingData, int error) { + my_global++; + dispatch_async(queue, ^{ + my_global++; + if (done) { + dispatch_semaphore_signal(sem); + } + }); + }); + + dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER); + my_global++; + dispatch_io_close(channel, 0); + channel = dispatch_io_create_with_path(DISPATCH_IO_STREAM, path, O_RDONLY, + 0, queue, ^(int error) { }); + dispatch_io_set_high_water(channel, 1); + + my_global++; + dispatch_io_read(channel, 0, SIZE_MAX, queue, ^(bool done, dispatch_data_t remainingData, int error) { + my_global++; + dispatch_async(queue, ^{ + my_global++; + if (done) { + dispatch_semaphore_signal(sem); + } + }); + }); + + dispatch_semaphore_wait(sem, DISPATCH_TIME_FOREVER); + my_global++; + fprintf(stderr, "Done.\n"); + return 0; +} + +// CHECK: Hello world. +// CHECK-NOT: WARNING: ThreadSanitizer +// CHECK: Done. |