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