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Diffstat (limited to 'test/tsan/libdispatch/suspend.c')
-rw-r--r-- | test/tsan/libdispatch/suspend.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/test/tsan/libdispatch/suspend.c b/test/tsan/libdispatch/suspend.c new file mode 100644 index 000000000..617ad917e --- /dev/null +++ b/test/tsan/libdispatch/suspend.c @@ -0,0 +1,46 @@ +// RUN: %clang_tsan %s -o %t +// RUN: %run %t 2>&1 | FileCheck %s --implicit-check-not='ThreadSanitizer' + +#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 q1 = dispatch_queue_create("queue1", NULL); + dispatch_queue_t q2 = dispatch_queue_create("queue2", NULL); + dispatch_group_t g = dispatch_group_create(); + + dispatch_sync(q1, ^{ + dispatch_suspend(q1); + dispatch_async(q2, ^{ + my_global++; + dispatch_resume(q1); + }); + }); + + dispatch_sync(q1, ^{ + my_global++; + }); + + dispatch_sync(q1, ^{ + dispatch_suspend(q1); + dispatch_group_enter(g); + dispatch_async(q1,^{ my_global++; }); + dispatch_async(q1,^{ my_global++; }); + dispatch_async(q1,^{ my_global++; dispatch_group_leave(g); }); + my_global++; + dispatch_resume(q1); + }); + + dispatch_group_wait(g, DISPATCH_TIME_FOREVER); + + fprintf(stderr, "Done.\n"); + return 0; +} + +// CHECK: Hello world. +// CHECK: Done. |