Current File : //usr/local/go119/src/runtime/testdata/testwinlibsignal/main.c
#include <windows.h>
#include <stdio.h>
HANDLE waitForCtrlBreakEvent;
BOOL WINAPI CtrlHandler(DWORD fdwCtrlType)
{
switch (fdwCtrlType)
{
case CTRL_BREAK_EVENT:
SetEvent(waitForCtrlBreakEvent);
return TRUE;
default:
return FALSE;
}
}
int main(void)
{
waitForCtrlBreakEvent = CreateEvent(NULL, TRUE, FALSE, NULL);
if (!waitForCtrlBreakEvent) {
fprintf(stderr, "ERROR: Could not create event\n");
return 1;
}
if (!SetConsoleCtrlHandler(CtrlHandler, TRUE))
{
fprintf(stderr, "ERROR: Could not set control handler\n");
return 1;
}
// The library must be loaded after the SetConsoleCtrlHandler call
// so that the library handler registers after the main program.
// This way the library handler gets called first.
HMODULE dummyDll = LoadLibrary("dummy.dll");
if (!dummyDll) {
fprintf(stderr, "ERROR: Could not load dummy.dll\n");
return 1;
}
// Call the Dummy function so that Go initialization completes, since
// all cgo entry points call out to _cgo_wait_runtime_init_done.
if (((int(*)(void))GetProcAddress(dummyDll, "Dummy"))() != 42) {
fprintf(stderr, "ERROR: Dummy function did not return 42\n");
return 1;
}
printf("ready\n");
fflush(stdout);
if (WaitForSingleObject(waitForCtrlBreakEvent, 5000) != WAIT_OBJECT_0) {
fprintf(stderr, "FAILURE: No signal received\n");
return 1;
}
return 0;
}
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