Function ISC_check_process_existence

src/common/isc.cpp:203–231

bool ISC_check_process_existence(SLONG pid)
{
/**************************************
 *
 *      I S C _ c h e c k _ p r o c e s s _ e x i s t e n c e
 *
 **************************************
 *
 * Functional description
 *      Return true if the indicated process
 *      exists;  false otherwise.
 *
 **************************************/

#ifdef WIN_NT
	const HANDLE handle = OpenProcess(SYNCHRONIZE, FALSE, (DWORD) pid);

	if (!handle)
	{
		return (GetLastError() == ERROR_ACCESS_DENIED);
	}

	const bool alive = (WaitForSingleObject(handle, 0) != WAIT_OBJECT_0);
	CloseHandle(handle);
	return alive;
#else
	return (kill((int) pid, 0) == -1 &&	errno == ESRCH) ? false : true;
#endif
}


#if defined(SOLARIS)