diff options
Diffstat (limited to 'lib/tsan/lit_tests/memcpy_race.cc')
-rw-r--r-- | lib/tsan/lit_tests/memcpy_race.cc | 42 |
1 files changed, 0 insertions, 42 deletions
diff --git a/lib/tsan/lit_tests/memcpy_race.cc b/lib/tsan/lit_tests/memcpy_race.cc deleted file mode 100644 index 8f39113674d6e..0000000000000 --- a/lib/tsan/lit_tests/memcpy_race.cc +++ /dev/null @@ -1,42 +0,0 @@ -// RUN: %clangxx_tsan -O1 %s -o %t && not %t 2>&1 | FileCheck %s -#include <pthread.h> -#include <stddef.h> -#include <stdio.h> -#include <string.h> -#include <unistd.h> - -char *data = new char[10]; -char *data1 = new char[10]; -char *data2 = new char[10]; - -void *Thread1(void *x) { - static volatile int size = 1; - memcpy(data+5, data1, size); - return NULL; -} - -void *Thread2(void *x) { - static volatile int size = 4; - sleep(1); - memcpy(data+3, data2, size); - return NULL; -} - -int main() { - fprintf(stderr, "addr=%p\n", &data[5]); - pthread_t t[2]; - pthread_create(&t[0], NULL, Thread1, NULL); - pthread_create(&t[1], NULL, Thread2, NULL); - pthread_join(t[0], NULL); - pthread_join(t[1], NULL); - return 0; -} - -// CHECK: addr=[[ADDR:0x[0-9,a-f]+]] -// CHECK: WARNING: ThreadSanitizer: data race -// CHECK: Write of size 1 at [[ADDR]] by thread T2: -// CHECK: #0 memcpy -// CHECK: #1 Thread2 -// CHECK: Previous write of size 1 at [[ADDR]] by thread T1: -// CHECK: #0 memcpy -// CHECK: #1 Thread1 |