Mercurial > hg > CbC > CbC_llvm
view compiler-rt/test/tsan/memcpy_race.cpp @ 150:1d019706d866
LLVM10
author | anatofuz |
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date | Thu, 13 Feb 2020 15:10:13 +0900 |
parents | |
children | 0572611fdcc8 |
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// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s #include "test.h" #include <string.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); barrier_wait(&barrier); return NULL; } void *Thread2(void *x) { static volatile int size = 4; barrier_wait(&barrier); memcpy(data+3, data2, size); return NULL; } int main() { barrier_init(&barrier, 2); print_address("addr=", 1, &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|memmove)}} // CHECK: #1 Thread2 // CHECK: Previous write of size 1 at [[ADDR]] by thread T1: // CHECK: #0 {{(memcpy|memmove)}} // CHECK: #1 Thread1