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Diffstat (limited to 'test/tsan/Darwin/ignored-interceptors.mm')
-rw-r--r-- | test/tsan/Darwin/ignored-interceptors.mm | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/test/tsan/Darwin/ignored-interceptors.mm b/test/tsan/Darwin/ignored-interceptors.mm deleted file mode 100644 index b2e40f07d..000000000 --- a/test/tsan/Darwin/ignored-interceptors.mm +++ /dev/null @@ -1,55 +0,0 @@ -// Check that ignore_interceptors_accesses=1 suppresses reporting races from -// system libraries on OS X. There are currently false positives coming from -// libxpc, libdispatch, CoreFoundation and others, because these libraries use -// TSan-invisible atomics as synchronization. - -// RUN: %clang_tsan %s -o %t -framework Foundation - -// Check that without the flag, there are false positives. -// RUN: %env_tsan_opts=ignore_noninstrumented_modules=0 %deflake %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-RACE - -// With ignore_interceptors_accesses=1, no races are reported. -// RUN: %env_tsan_opts=ignore_noninstrumented_modules=0:ignore_interceptors_accesses=1 %run %t 2>&1 | FileCheck %s - -// With ignore_interceptors_accesses=1, races in user's code are still reported. -// RUN: %env_tsan_opts=ignore_noninstrumented_modules=0:ignore_interceptors_accesses=1 %deflake %run %t race 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-RACE - -#import <Foundation/Foundation.h> - -#import "../test.h" - -long global; - -void *Thread1(void *x) { - barrier_wait(&barrier); - global = 42; - return NULL; -} - -void *Thread2(void *x) { - global = 43; - barrier_wait(&barrier); - return NULL; -} - -int main(int argc, char *argv[]) { - fprintf(stderr, "Hello world.\n"); - - // NSUserDefaults uses XPC which triggers the false positive. - NSDictionary *d = [[NSUserDefaults standardUserDefaults] dictionaryRepresentation]; - - if (argc > 1 && strcmp(argv[1], "race") == 0) { - barrier_init(&barrier, 2); - 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); - } - - fprintf(stderr, "Done.\n"); -} - -// CHECK: Hello world. -// CHECK-RACE: SUMMARY: ThreadSanitizer: data race -// CHECK: Done. |