reactos/posix/lib/psxdll/pthread/join.c

99 lines
1.9 KiB
C
Raw Normal View History

/* $Id: join.c,v 1.4 2002/10/29 04:45:38 rex Exp $
*/
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS POSIX+ Subsystem
* FILE: subsys/psx/lib/psxdll/pthread/join.c
* PURPOSE: Wait for thread termination
* PROGRAMMER: KJK::Hyperion <noog@libero.it>
* UPDATE HISTORY:
* 19/12/2001: Created
*/
#include <ddk/ntddk.h>
#include <ntdll/ldr.h>
#include <errno.h>
#include <sys/types.h>
#include <pthread.h>
#include <psx/debug.h>
#include <psx/errno.h>
int pthread_join(pthread_t thread, void **value_ptr)
{
HANDLE hThread;
NTSTATUS nErrCode;
OBJECT_ATTRIBUTES oaThreadAttrs;
CLIENT_ID ciId;
THREAD_BASIC_INFORMATION tbiThreadInfo;
/* "[EDEADLK] A deadlock was detected or the value of thread specifies
the calling thread" */
if(thread == pthread_self())
return (EDEADLK);
/* initialize id */
ciId.UniqueProcess = (HANDLE)-1;
ciId.UniqueThread = (HANDLE)thread;
/* initialize object attributes */
oaThreadAttrs.Length = sizeof(OBJECT_ATTRIBUTES);
oaThreadAttrs.RootDirectory = NULL;
oaThreadAttrs.ObjectName = NULL;
oaThreadAttrs.Attributes = 0;
oaThreadAttrs.SecurityDescriptor = NULL;
oaThreadAttrs.SecurityQualityOfService = NULL;
/* open the thread */
nErrCode = NtOpenThread
(
&hThread,
SYNCHRONIZE | THREAD_QUERY_INFORMATION,
&oaThreadAttrs,
&ciId
);
/* failure */
if(!NT_SUCCESS(nErrCode))
{
return (__status_to_errno(nErrCode));
}
/* wait for thread termination */
nErrCode = NtWaitForSingleObject
(
hThread,
FALSE,
NULL
);
/* failure */
if(!NT_SUCCESS(nErrCode))
{
NtClose(hThread);
return (__status_to_errno(nErrCode));
}
/* get thread basic information (includes return code) */
nErrCode = NtQueryInformationThread
(
hThread,
ThreadBasicInformation,
&tbiThreadInfo,
sizeof(THREAD_BASIC_INFORMATION),
NULL
);
NtClose(hThread);
if(!value_ptr)
return (EFAULT);
*value_ptr = (void *)tbiThreadInfo.ExitStatus;
return (0);
}
/* EOF */