1*7c3d14c8STreehugger Robot // RUN: %clang_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2*7c3d14c8STreehugger Robot #include "test.h" 3*7c3d14c8STreehugger Robot #include <signal.h> 4*7c3d14c8STreehugger Robot #include <sys/types.h> 5*7c3d14c8STreehugger Robot handler(int,siginfo_t *,void *)6*7c3d14c8STreehugger Robotstatic void handler(int, siginfo_t*, void*) { 7*7c3d14c8STreehugger Robot // CHECK: WARNING: ThreadSanitizer: signal-unsafe call inside of a signal 8*7c3d14c8STreehugger Robot // CHECK: #0 malloc 9*7c3d14c8STreehugger Robot // CHECK: #{{(1|2)}} handler(int, {{(__)?}}siginfo{{(_t)?}}*, void*) {{.*}}signal_malloc.cc:[[@LINE+2]] 10*7c3d14c8STreehugger Robot // CHECK: SUMMARY: ThreadSanitizer: signal-unsafe call inside of a signal{{.*}}handler 11*7c3d14c8STreehugger Robot volatile char *p = (char*)malloc(1); 12*7c3d14c8STreehugger Robot p[0] = 0; 13*7c3d14c8STreehugger Robot free((void*)p); 14*7c3d14c8STreehugger Robot } 15*7c3d14c8STreehugger Robot main()16*7c3d14c8STreehugger Robotint main() { 17*7c3d14c8STreehugger Robot struct sigaction act = {}; 18*7c3d14c8STreehugger Robot act.sa_sigaction = &handler; 19*7c3d14c8STreehugger Robot sigaction(SIGPROF, &act, 0); 20*7c3d14c8STreehugger Robot kill(getpid(), SIGPROF); 21*7c3d14c8STreehugger Robot sleep(1); // let the signal handler run 22*7c3d14c8STreehugger Robot return 0; 23*7c3d14c8STreehugger Robot } 24*7c3d14c8STreehugger Robot 25