nativelibc/process/getpid.c

/*	A part of the Native C Library for Windows NT
	Copyright 2007-2015 PC GO Ld.

	This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

	This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
*/

#include <windows.h>
#include <nt.h>
#include <unistd.h>

pid_t getpid() {
	PROCESS_BASIC_INFORMATION pbi;
	NtQueryInformationProcess((void *)-1, ProcessBasicInformation, &pbi, sizeof pbi, NULL);
	return pbi.UniqueProcessId;
}

pid_t getppid() {
	PROCESS_BASIC_INFORMATION pbi;
	NtQueryInformationProcess((void *)-1, ProcessBasicInformation, &pbi, sizeof pbi, NULL);
	return pbi.InheritedFromUniqueProcessId;
}