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author | Andrew Turner <andrew@FreeBSD.org> | 2013-01-18 20:06:45 +0000 |
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committer | Andrew Turner <andrew@FreeBSD.org> | 2013-01-18 20:06:45 +0000 |
commit | 58aabf08b77d221489f10e274812ec60917c21a8 (patch) | |
tree | b946f82269be87d83f086167c762c362e734c5bb /lib/tsan/lit_tests/static_init5.cc | |
parent | 37dfff057418e02f8e5322da12684dd927e3d881 (diff) | |
download | src-58aabf08b77d221489f10e274812ec60917c21a8.tar.gz src-58aabf08b77d221489f10e274812ec60917c21a8.zip |
Import compiler-rt r172839.vendor/compiler-rt/compiler-rt-r172839
Notes
Notes:
svn path=/vendor/compiler-rt/dist/; revision=245614
svn path=/vendor/compiler-rt/compiler-rt-r172839/; revision=245615; tag=vendor/compiler-rt/compiler-rt-r172839
Diffstat (limited to 'lib/tsan/lit_tests/static_init5.cc')
-rw-r--r-- | lib/tsan/lit_tests/static_init5.cc | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/tsan/lit_tests/static_init5.cc b/lib/tsan/lit_tests/static_init5.cc new file mode 100644 index 000000000000..1d0ed6d54ca2 --- /dev/null +++ b/lib/tsan/lit_tests/static_init5.cc @@ -0,0 +1,42 @@ +// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s +#include <pthread.h> +#include <stdlib.h> +#include <stdio.h> +#include <sched.h> + +struct Cache { + int x; + explicit Cache(int x) + : x(x) { + } +}; + +void *AsyncInit(void *p) { + return new Cache((int)(long)p); +} + +Cache *CreateCache() { + pthread_t t; + pthread_create(&t, 0, AsyncInit, (void*)(long)rand()); + void *res; + pthread_join(t, &res); + return (Cache*)res; +} + +void *Thread1(void *x) { + static Cache *c = CreateCache(); + if (c->x >= RAND_MAX) + exit(1); + return 0; +} + +int main() { + pthread_t t[2]; + pthread_create(&t[0], 0, Thread1, 0); + pthread_create(&t[1], 0, Thread1, 0); + pthread_join(t[0], 0); + pthread_join(t[1], 0); + printf("PASS\n"); +} + +// CHECK-NOT: WARNING: ThreadSanitizer: data race |