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| author | Alexey Samsonov <samsonov@google.com> | 2012-09-18 07:23:54 +0000 |
|---|---|---|
| committer | Alexey Samsonov <samsonov@google.com> | 2012-09-18 07:23:54 +0000 |
| commit | 341e5bcb45c9aeab3584d0aaa07a814282ebbefc (patch) | |
| tree | aa4c489f05f13095b7d68d15a1ec93c5da516eb8 /compiler-rt/lib/tsan/lit_tests/static_init3.cc | |
| parent | 7ecfa6d9603e09d5fa3eda0d25d72f07b568b47f (diff) | |
| download | bcm5719-llvm-341e5bcb45c9aeab3584d0aaa07a814282ebbefc.tar.gz bcm5719-llvm-341e5bcb45c9aeab3584d0aaa07a814282ebbefc.zip | |
[TSan] port all output tests to lit and move them to lit_tests directory. This makes 'make check-tsan' command test both unit and output TSan tests. Old custom makefiles for running TSan tests are still functional as well.
llvm-svn: 164110
Diffstat (limited to 'compiler-rt/lib/tsan/lit_tests/static_init3.cc')
| -rw-r--r-- | compiler-rt/lib/tsan/lit_tests/static_init3.cc | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/compiler-rt/lib/tsan/lit_tests/static_init3.cc b/compiler-rt/lib/tsan/lit_tests/static_init3.cc new file mode 100644 index 00000000000..40fd4b940f5 --- /dev/null +++ b/compiler-rt/lib/tsan/lit_tests/static_init3.cc @@ -0,0 +1,47 @@ +// 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; +}; + +Cache g_cache; + +Cache *CreateCache() { + g_cache.x = rand(); + return &g_cache; +} + +_Atomic(Cache*) queue; + +void *Thread1(void *x) { + static Cache *c = CreateCache(); + __c11_atomic_store(&queue, c, 0); + return 0; +} + +void *Thread2(void *x) { + Cache *c = 0; + for (;;) { + c = __c11_atomic_load(&queue, 0); + if (c) + break; + sched_yield(); + } + 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, Thread2, 0); + pthread_join(t[0], 0); + pthread_join(t[1], 0); +} + +// CHECK: WARNING: ThreadSanitizer: data race |

