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author | Dimitry Andric <dim@FreeBSD.org> | 2015-01-07 19:55:37 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2015-01-07 19:55:37 +0000 |
commit | ca9211ecdede9bdedb812b2243a4abdb8dacd1b9 (patch) | |
tree | 9b19e801150082c33e9152275829a6ce90614b55 /lib/tsan/lit_tests/free_race.c | |
parent | 8ef50bf3d1c287b5013c3168de77a462dfce3495 (diff) | |
download | src-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 'lib/tsan/lit_tests/free_race.c')
-rw-r--r-- | lib/tsan/lit_tests/free_race.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/lib/tsan/lit_tests/free_race.c b/lib/tsan/lit_tests/free_race.c deleted file mode 100644 index d1db9fece90a..000000000000 --- a/lib/tsan/lit_tests/free_race.c +++ /dev/null @@ -1,49 +0,0 @@ -// RUN: %clang_tsan -O1 %s -o %t -// RUN: not %t 2>&1 | FileCheck %s --check-prefix=CHECK-NOZUPP -// RUN: TSAN_OPTIONS="suppressions=%s.supp print_suppressions=1" %t 2>&1 | FileCheck %s --check-prefix=CHECK-SUPP - -#include <pthread.h> -#include <stdlib.h> -#include <stdio.h> -#include <stddef.h> -#include <unistd.h> - -int *mem; -pthread_mutex_t mtx; - -void *Thread1(void *x) { - pthread_mutex_lock(&mtx); - free(mem); - pthread_mutex_unlock(&mtx); - return NULL; -} - -void *Thread2(void *x) { - sleep(1); - pthread_mutex_lock(&mtx); - mem[0] = 42; - pthread_mutex_unlock(&mtx); - return NULL; -} - -int main() { - mem = (int*)malloc(100); - pthread_mutex_init(&mtx, 0); - pthread_t t; - pthread_create(&t, NULL, Thread1, NULL); - Thread2(0); - pthread_join(t, NULL); - pthread_mutex_destroy(&mtx); - return 0; -} - -// CHECK-NOZUPP: WARNING: ThreadSanitizer: heap-use-after-free -// CHECK-NOZUPP: Write of size 4 at {{.*}} by main thread{{.*}}: -// CHECK-NOZUPP: #0 Thread2 -// CHECK-NOZUPP: #1 main -// CHECK-NOZUPP: Previous write of size 8 at {{.*}} by thread T1{{.*}}: -// CHECK-NOZUPP: #0 free -// CHECK-NOZUPP: #{{(1|2)}} Thread1 -// CHECK-NOZUPP: SUMMARY: ThreadSanitizer: heap-use-after-free{{.*}}Thread2 -// CHECK-SUPP: ThreadSanitizer: Matched 1 suppressions -// CHECK-SUPP: 1 race:^Thread2$ |