bind_io_completion_callback.cpp
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// Make sure we can throw exceptions from work items executed via
// BindIoCompletionCallback.
//
// RUN: %clangxx_asan %s -o %t.exe
// RUN: %run %t.exe 2>&1 | FileCheck %s
#include <windows.h>
#include <stdio.h>
void ThrowAndCatch();
__declspec(noinline)
void Throw() {
fprintf(stderr, "Throw\n");
// CHECK: Throw
throw 1;
}
void ThrowAndCatch() {
int local;
try {
Throw();
} catch(...) {
fprintf(stderr, "Catch\n");
// CHECK: Catch
}
}
char buffer[65536];
HANDLE done;
OVERLAPPED ov;
void CALLBACK completion_callback(DWORD error, DWORD bytesRead,
LPOVERLAPPED pov) {
ThrowAndCatch();
SetEvent(done);
}
int main(int argc, char **argv) {
done = CreateEvent(0, false, false, "job is done");
if (!done)
return 1;
HANDLE file = CreateFile(
argv[0], GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL | FILE_FLAG_NO_BUFFERING | FILE_FLAG_OVERLAPPED,
NULL);
if (!file)
return 2;
if (!BindIoCompletionCallback(file, completion_callback, 0))
return 3;
if (!ReadFile(file, buffer, sizeof(buffer), NULL, &ov) &&
GetLastError() != ERROR_IO_PENDING)
return 4;
if (WAIT_OBJECT_0 != WaitForSingleObject(done, 10 * 1000))
return 5;
fprintf(stderr, "Done!\n");
// CHECK: Done!
}