reactos/posix/lib/psxdll/unistd/getpid.c

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/* $Id: getpid.c,v 1.5 2002/10/29 04:45:48 rex Exp $
*/
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS POSIX+ Subsystem
* FILE: subsys/psx/lib/psxdll/unistd/getpid.c
* PURPOSE: Get the process ID
* PROGRAMMER: KJK::Hyperion <noog@libero.it>
* UPDATE HISTORY:
* 15/02/2002: Created
*/
#include <ddk/ntddk.h>
#include <sys/types.h>
#include <unistd.h>
#include <psx/errno.h>
pid_t getpid(void)
{
PROCESS_BASIC_INFORMATION pbiInfo;
NTSTATUS nErrCode;
nErrCode = NtQueryInformationProcess
(
NtCurrentProcess(),
ProcessBasicInformation,
&pbiInfo,
sizeof(pbiInfo),
NULL
);
if(!NT_SUCCESS(nErrCode))
{
errno = __status_to_errno(nErrCode);
return (0);
}
return (pbiInfo.UniqueProcessId);
#if 0
return ((pid_t)NtCurrentTeb()->Cid.UniqueProcess);
#endif
}
/* EOF */