diff options
Diffstat (limited to 'compiler-rt/test/tsan/fiber_two_threads.cc')
| -rw-r--r-- | compiler-rt/test/tsan/fiber_two_threads.cc | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/compiler-rt/test/tsan/fiber_two_threads.cc b/compiler-rt/test/tsan/fiber_two_threads.cc deleted file mode 100644 index eaadb65acc1..00000000000 --- a/compiler-rt/test/tsan/fiber_two_threads.cc +++ /dev/null @@ -1,62 +0,0 @@ -// RUN: %clang_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s -// UNSUPPORTED: darwin -#include "test.h" -#include <ucontext.h> - -char stack[64 * 1024] __attribute__((aligned(16))); - -ucontext_t uc, orig_uc[2]; -void *fiber, *orig_fiber[2]; - -const unsigned N = 1000; - -__attribute__((noinline)) -void switch0() { - __tsan_switch_to_fiber(orig_fiber[0], 0); - swapcontext(&uc, &orig_uc[0]); -} - -void func() { - for (;;) { - switch0(); - __tsan_switch_to_fiber(orig_fiber[1], 0); - swapcontext(&uc, &orig_uc[1]); - } -} - -void *Thread(void *x) { - orig_fiber[1] = __tsan_get_current_fiber(); - for (unsigned i = 0; i < N; i++) { - barrier_wait(&barrier); - __tsan_switch_to_fiber(fiber, 0); - swapcontext(&orig_uc[1], &uc); - barrier_wait(&barrier); - } - return 0; -} - -int main() { - fiber = __tsan_create_fiber(0); - barrier_init(&barrier, 2); - pthread_t t; - pthread_create(&t, 0, Thread, 0); - orig_fiber[0] = __tsan_get_current_fiber(); - getcontext(&uc); - uc.uc_stack.ss_sp = stack; - uc.uc_stack.ss_size = sizeof(stack); - uc.uc_link = 0; - makecontext(&uc, func, 0); - for (unsigned i = 0; i < N; i++) { - __tsan_switch_to_fiber(fiber, 0); - swapcontext(&orig_uc[0], &uc); - barrier_wait(&barrier); - barrier_wait(&barrier); - } - pthread_join(t, 0); - __tsan_destroy_fiber(fiber); - fprintf(stderr, "PASS\n"); - return 0; -} - -// CHECK-NOT: WARNING: ThreadSanitizer: -// CHECK: PASS |

