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authorDimitry Andric <dim@FreeBSD.org>2015-01-07 19:55:37 +0000
committerDimitry Andric <dim@FreeBSD.org>2015-01-07 19:55:37 +0000
commitca9211ecdede9bdedb812b2243a4abdb8dacd1b9 (patch)
tree9b19e801150082c33e9152275829a6ce90614b55 /test/tsan/bench_mutex.cc
parent8ef50bf3d1c287b5013c3168de77a462dfce3495 (diff)
downloadsrc-ca9211ecdede9bdedb812b2243a4abdb8dacd1b9.tar.gz
src-ca9211ecdede9bdedb812b2243a4abdb8dacd1b9.zip
Import compiler-rt trunk r224034.vendor/compiler-rt/compiler-rt-r224034
Notes
Notes: svn path=/vendor/compiler-rt/dist/; revision=276789 svn path=/vendor/compiler-rt/compiler-rt-r224034/; revision=276790; tag=vendor/compiler-rt/compiler-rt-r224034
Diffstat (limited to 'test/tsan/bench_mutex.cc')
-rw-r--r--test/tsan/bench_mutex.cc28
1 files changed, 28 insertions, 0 deletions
diff --git a/test/tsan/bench_mutex.cc b/test/tsan/bench_mutex.cc
new file mode 100644
index 000000000000..324d53fd7f28
--- /dev/null
+++ b/test/tsan/bench_mutex.cc
@@ -0,0 +1,28 @@
+// RUN: %clangxx_tsan %s -o %t
+// RUN: %run %t 2>&1 | FileCheck %s
+
+#include "bench.h"
+
+pthread_mutex_t mtx;
+pthread_cond_t cv;
+int x;
+
+void thread(int tid) {
+ for (int i = 0; i < bench_niter; i++) {
+ pthread_mutex_lock(&mtx);
+ while (x != i * 2 + tid)
+ pthread_cond_wait(&cv, &mtx);
+ x++;
+ pthread_cond_signal(&cv);
+ pthread_mutex_unlock(&mtx);
+ }
+}
+
+void bench() {
+ pthread_mutex_init(&mtx, 0);
+ pthread_cond_init(&cv, 0);
+ start_thread_group(2, thread);
+}
+
+// CHECK: DONE
+