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authorNAKAMURA Takumi <geek4civic@gmail.com>2013-01-24 14:44:02 +0000
committerNAKAMURA Takumi <geek4civic@gmail.com>2013-01-24 14:44:02 +0000
commit91e22b0dd3c083ad67fc88a043019f988670c192 (patch)
treec02c2de82916c54ac5ac40eb0c9b32b6b336f849 /unittests
parent5bac013d617ab3c03cdc9ee034e5efbb03adf3de (diff)
unittests/SupportTests/Initialize.MultipleThreads: Appease --vg-leak to allocate stack explicitly for glibc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173350 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests')
-rw-r--r--unittests/Support/ManagedStatic.cpp19
1 files changed, 17 insertions, 2 deletions
diff --git a/unittests/Support/ManagedStatic.cpp b/unittests/Support/ManagedStatic.cpp
index 79eb098e565..b1df2bd6d21 100644
--- a/unittests/Support/ManagedStatic.cpp
+++ b/unittests/Support/ManagedStatic.cpp
@@ -26,17 +26,32 @@ namespace test1 {
*ms;
return NULL;
}
+
+ // Valgrind's leak checker complains glibc's stack allocation.
+ // To appease valgrind, we provide our own stack for each thread.
+ void *allocate_stack(pthread_attr_t &a, size_t n = 65536) {
+ void *stack = malloc(n);
+ pthread_attr_init(&a);
+ pthread_attr_setstack(&a, stack, n);
+ return stack;
+ }
}
TEST(Initialize, MultipleThreads) {
// Run this test under tsan: http://code.google.com/p/data-race-test/
+ pthread_attr_t a1, a2;
+ void *p1 = test1::allocate_stack(a1);
+ void *p2 = test1::allocate_stack(a2);
+
llvm_start_multithreaded();
pthread_t t1, t2;
- pthread_create(&t1, NULL, test1::helper, NULL);
- pthread_create(&t2, NULL, test1::helper, NULL);
+ pthread_create(&t1, &a1, test1::helper, NULL);
+ pthread_create(&t2, &a2, test1::helper, NULL);
pthread_join(t1, NULL);
pthread_join(t2, NULL);
+ free(p1);
+ free(p2);
llvm_stop_multithreaded();
}
#endif