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* cygerrno.h (geterrno_from_nt_status): Declare.

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* errno.cc (geterrno_from_nt_status): Define.
	* flock.cc: Fix copyright dates.
	* ntdll.h (enum _TIMER_TYPE): Define.
	(PTIMER_APC_ROUTINE): Define.
	(NtCancelTimer): Declare.
	(NtCreateTimer): Declare.
	(NtSetTimer): Declare.
	* posix_ipc.cc (ipc_cond_timedwait): Rewrite to make interruptible and
	restartable.  Call pthread_testcancel in case of timeout to enable
	pthread_cancel on waiting thread.  Replace WFMO timeout with waiting
	for a waitable timer.  Explain why.  Replace single call to WFMO with
	two calls, one for the event, one for the mutex.  Don't lock mutex in
	case of error.
	(ipc_cond_signal): Make void function.
	(ipc_cond_close): Ditto.
	(_mq_send): Immediately return -1 in case of error from
	ipc_cond_timedwait.
	(_mq_receive): Ditto.
This commit is contained in:
Corinna Vinschen
2011-04-28 12:13:41 +00:00
parent 1838d97b0a
commit 86bf572ef0
6 changed files with 127 additions and 36 deletions
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2
winsup/cygwin/flock.cc
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@@ -1,6 +1,6 @@
/* flock.cc. NT specific implementation of advisory file locking.
Copyright 2003, 2008, 2009 Red Hat, Inc.
Copyright 2003, 2008, 2009, 2010, 2011 Red Hat, Inc.
This file is part of Cygwin.