1 // RUN: rm -rf %t-dir 2 // RUN: mkdir %t-dir 3 4 // RUN: %clangxx_tsan -O1 %s -DLIB -fPIC -shared -o %t-dir/libignore_lib4.so 5 // RUN: %clangxx_tsan -O1 %s %link_libcxx_tsan -o %t-dir/executable 6 // RUN: echo "called_from_lib:libignore_lib4.so" > %t-dir/executable.supp 7 // RUN: %env_tsan_opts=suppressions='%t-dir/executable.supp' %run %t-dir/executable 2>&1 | FileCheck %s 8 9 // powerpc64 big endian bots failed with "FileCheck error: '-' is empty" due 10 // to a segmentation fault. 11 // UNSUPPORTED: powerpc64-unknown-linux-gnu 12 // aarch64 bots failed with "called_from_lib suppression 'libignore_lib4.so' 13 // is matched against 2 libraries". 14 // UNSUPPORTED: aarch64 15 16 // Test longjmp in ignored lib. 17 // It used to crash since we jumped out of ScopedInterceptor scope. 18 19 #include "test.h" 20 #include <setjmp.h> 21 #include <string.h> 22 #include <errno.h> 23 #include <libgen.h> 24 #include <string> 25 26 #ifdef LIB 27 myfunc()28extern "C" void myfunc() { 29 for (int i = 0; i < (1 << 20); i++) { 30 jmp_buf env; 31 if (!setjmp(env)) 32 longjmp(env, 1); 33 } 34 } 35 36 #else 37 main(int argc,char ** argv)38int main(int argc, char **argv) { 39 std::string lib = std::string(dirname(argv[0])) + "/libignore_lib4.so"; 40 void *h = dlopen(lib.c_str(), RTLD_GLOBAL | RTLD_NOW); 41 void (*func)() = (void(*)())dlsym(h, "myfunc"); 42 func(); 43 fprintf(stderr, "DONE\n"); 44 return 0; 45 } 46 47 #endif 48 49 // CHECK: DONE 50