1 // RUN: %clangxx_tsan -O1 %s -o %t && %run %t 2>&1 | FileCheck %s 2 #include <pthread.h> 3 #include <stdio.h> 4 #include <stdlib.h> 5 #include <unistd.h> 6 #include <sys/types.h> 7 #include <sys/socket.h> 8 #include <netinet/in.h> 9 #include <arpa/inet.h> 10 11 struct sockaddr_in addr; 12 int X; 13 14 void *ClientThread(void *x) { 15 int c = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); 16 X = 42; 17 if (connect(c, (struct sockaddr*)&addr, sizeof(addr))) { 18 perror("connect"); 19 exit(1); 20 } 21 close(c); 22 return NULL; 23 } 24 25 int main() { 26 int s = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); 27 addr.sin_family = AF_INET; 28 inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr); 29 addr.sin_port = INADDR_ANY; 30 socklen_t len = sizeof(addr); 31 bind(s, (sockaddr*)&addr, len); 32 getsockname(s, (sockaddr*)&addr, &len); 33 listen(s, 10); 34 pthread_t t; 35 pthread_create(&t, 0, ClientThread, 0); 36 int c = accept(s, 0, 0); 37 X = 42; 38 pthread_join(t, 0); 39 close(c); 40 close(s); 41 fprintf(stderr, "OK\n"); 42 } 43 44 // CHECK-NOT: WARNING: ThreadSanitizer: data race 45 46
