summaryrefslogtreecommitdiff
path: root/test/tsan/libdispatch/fd.c
diff options
context:
space:
mode:
authorJulian Lettner <jlettner@apple.com>2019-04-12 23:07:00 +0000
committerJulian Lettner <jlettner@apple.com>2019-04-12 23:07:00 +0000
commit8fa46946cfbe3eb0e23dde603799e9af586fe374 (patch)
treeb2407b138abd575e0f1c162d1ff7949b930424b7 /test/tsan/libdispatch/fd.c
parent27203330a45da31e6db3163eceda5f6038fcc4dc (diff)
downloadcompiler-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.c62
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.