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llvm-project/compiler-rt/test/tsan/ignore_race.cc

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Add %run to all lit tests llvm-svn: 207709
2014-05-01 05:34:17 +08:00
// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
tsan: remove sleeps from tests Even sleep(1) lead to episodical flakes on some machines. Use an invisible by tsan barrier to enforce required execution order instead. This makes the tests deterministic and faster. llvm-svn: 226659
2015-01-21 21:50:02 +08:00
#include "test.h"
tsan: add mutexsets to reports With this change reports say what mutexes the threads hold around the racy memory accesses. llvm-svn: 169493
2012-12-06 20:16:15 +08:00
int Global;
extern "C" void AnnotateIgnoreWritesBegin(const char *f, int l);
extern "C" void AnnotateIgnoreWritesEnd(const char *f, int l);
extern "C" void AnnotateIgnoreReadsBegin(const char *f, int l);
extern "C" void AnnotateIgnoreReadsEnd(const char *f, int l);
void *Thread(void *x) {
AnnotateIgnoreWritesBegin(__FILE__, __LINE__);
AnnotateIgnoreReadsBegin(__FILE__, __LINE__);
Global = 42;
AnnotateIgnoreReadsEnd(__FILE__, __LINE__);
AnnotateIgnoreWritesEnd(__FILE__, __LINE__);
tsan: remove sleeps from tests Even sleep(1) lead to episodical flakes on some machines. Use an invisible by tsan barrier to enforce required execution order instead. This makes the tests deterministic and faster. llvm-svn: 226659
2015-01-21 21:50:02 +08:00
barrier_wait(&barrier);
tsan: add mutexsets to reports With this change reports say what mutexes the threads hold around the racy memory accesses. llvm-svn: 169493
2012-12-06 20:16:15 +08:00
return 0;
}
int main() {
tsan: remove sleeps from tests Even sleep(1) lead to episodical flakes on some machines. Use an invisible by tsan barrier to enforce required execution order instead. This makes the tests deterministic and faster. llvm-svn: 226659
2015-01-21 21:50:02 +08:00
barrier_init(&barrier, 2);
tsan: add mutexsets to reports With this change reports say what mutexes the threads hold around the racy memory accesses. llvm-svn: 169493
2012-12-06 20:16:15 +08:00
pthread_t t;
pthread_create(&t, 0, Thread, 0);
tsan: remove sleeps from tests Even sleep(1) lead to episodical flakes on some machines. Use an invisible by tsan barrier to enforce required execution order instead. This makes the tests deterministic and faster. llvm-svn: 226659
2015-01-21 21:50:02 +08:00
barrier_wait(&barrier);
tsan: add mutexsets to reports With this change reports say what mutexes the threads hold around the racy memory accesses. llvm-svn: 169493
2012-12-06 20:16:15 +08:00
Global = 43;
pthread_join(t, 0);
Make tsan tests more portable (take 2) Using stderr more uniformily, avoiding potential races when scanning stdout and stderr output. Patch by Maxim Kuvyrkov. llvm-svn: 266294
2016-04-14 20:10:21 +08:00
fprintf(stderr, "OK\n");
tsan: add mutexsets to reports With this change reports say what mutexes the threads hold around the racy memory accesses. llvm-svn: 169493
2012-12-06 20:16:15 +08:00
}
tsan: fix lint warning and make output tests more robust llvm-svn: 169511
2012-12-06 23:42:54 +08:00
// CHECK-NOT: WARNING: ThreadSanitizer: data race