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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);
printf("OK\n");
}
// CHECK-NOT: WARNING: ThreadSanitizer: data race
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