1 // Make sure we can throw exceptions from work items executed via 2 // BindIoCompletionCallback. 3 // 4 // Clang doesn't support exceptions on Windows yet, so for the time being we 5 // build this program in two parts: the code with exceptions is built with CL, 6 // the rest is built with Clang. This represents the typical scenario when we 7 // build a large project using "clang-cl -fallback -fsanitize=address". 8 // 9 // RUN: %clangxx_asan %s -o %t.exe 10 // RUN: %run %t.exe 2>&1 | FileCheck %s 11 12 #include <windows.h> 13 #include <stdio.h> 14 15 void ThrowAndCatch(); 16 17 __declspec(noinline) 18 void Throw() { 19 fprintf(stderr, "Throw\n"); 20 // CHECK: Throw 21 throw 1; 22 } 23 24 void ThrowAndCatch() { 25 int local; 26 try { 27 Throw(); 28 } catch(...) { 29 fprintf(stderr, "Catch\n"); 30 // CHECK: Catch 31 } 32 } 33 34 char buffer[65536]; 35 HANDLE done; 36 OVERLAPPED ov; 37 38 void CALLBACK completion_callback(DWORD error, DWORD bytesRead, 39 LPOVERLAPPED pov) { 40 ThrowAndCatch(); 41 SetEvent(done); 42 } 43 44 int main(int argc, char **argv) { 45 done = CreateEvent(0, false, false, "job is done"); 46 if (!done) 47 return 1; 48 HANDLE file = CreateFile( 49 argv[0], GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, 50 OPEN_EXISTING, 51 FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING | FILE_FLAG_OVERLAPPED, 52 NULL); 53 if (!file) 54 return 2; 55 if (!BindIoCompletionCallback(file, completion_callback, 0)) 56 return 3; 57 58 if (!ReadFile(file, buffer, sizeof(buffer), NULL, &ov) && 59 GetLastError() != ERROR_IO_PENDING) 60 return 4; 61 62 if (WAIT_OBJECT_0 != WaitForSingleObject(done, 10 * 1000)) 63 return 5; 64 fprintf(stderr, "Done!\n"); 65 // CHECK: Done! 66 } 67
