1// RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -shared -o %T/libignore_lib4.so 2// RUN: %clangxx_tsan -O1 %s -o %t 3// RUN: echo "called_from_lib:libignore_lib4.so" > %t.supp 4// RUN: %env_tsan_opts=suppressions='%t.supp' %run %t 2>&1 | FileCheck %s 5 6// Longjmp assembly has not been implemented for mips64 yet 7// XFAIL: mips64 8// powerpc64 big endian bots failed with "FileCheck error: '-' is empty" due 9// to a segmentation fault. 10// UNSUPPORTED: powerpc64-unknown-linux-gnu 11// aarch64 bots failed with "called_from_lib suppression 'libignore_lib4.so' 12// is matched against 2 libraries". 13// UNSUPPORTED: aarch64 14 15// Test longjmp in ignored lib. 16// It used to crash since we jumped out of ScopedInterceptor scope. 17 18#include "test.h" 19#include <setjmp.h> 20#include <string.h> 21#include <errno.h> 22#include <libgen.h> 23#include <string> 24 25#ifdef LIB 26 27extern "C" void myfunc() { 28 for (int i = 0; i < (1 << 20); i++) { 29 jmp_buf env; 30 if (!setjmp(env)) 31 longjmp(env, 1); 32 } 33} 34 35#else 36 37int main(int argc, char **argv) { 38 std::string lib = std::string(dirname(argv[0])) + "/libignore_lib4.so"; 39 void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); 40 void (*func)() = (void(*)())dlsym(h, "myfunc"); 41 func(); 42 fprintf(stderr, "DONE\n"); 43 return 0; 44} 45 46#endif 47 48// CHECK: DONE 49