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| // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s
| #include <pthread.h>
| #include <stdio.h>
| #include <stdlib.h>
| #include <unistd.h>
| #include <sys/types.h>
| #include <sys/socket.h>
| #include <netinet/in.h>
| #include <arpa/inet.h>
|
| struct sockaddr_in addr;
| int X;
|
| void *ClientThread(void *x) {
| int c = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
| X = 42;
| if (connect(c, (struct sockaddr*)&addr, sizeof(addr))) {
| perror("connect");
| exit(1);
| }
| close(c);
| return NULL;
| }
|
| int main() {
| int s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
| addr.sin_family = AF_INET;
| inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr);
| addr.sin_port = INADDR_ANY;
| socklen_t len = sizeof(addr);
| bind(s, (sockaddr*)&addr, len);
| getsockname(s, (sockaddr*)&addr, &len);
| listen(s, 10);
| pthread_t t;
| pthread_create(&t, 0, ClientThread, 0);
| int c = accept(s, 0, 0);
| X = 42;
| pthread_join(t, 0);
| close(c);
| close(s);
| fprintf(stderr, "OK\n");
| }
|
| // CHECK-NOT: WARNING: ThreadSanitizer: data race
|
|
