oskit/oskit-20020317/threads/pthread_signal.h

51 lines
1.6 KiB
C
Executable File

/*
* Copyright (c) 1996, 1998, 1999 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit 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 GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
#ifndef _PTHREAD_SIGNAL_H_
#define _PTHREAD_SIGNAL_H_
void oskit_deliver_pending_signals(void);
/*
* Inline the function to check for a pending signal. Call the delivery
* mechanism if so. This function expects to be called with interrupts
* disabled.
*/
static inline void
SIGCHECK(struct pthread_thread *pthread)
{
pthread_lock(&pthread->siglock);
if (pthread->sigpending & ~pthread->sigmask)
oskit_deliver_pending_signals();
pthread_unlock(&pthread->siglock);
}
/*
* Posix allows this.
*/
#define SIGQUEUE_MAX 64
/*
* These are the thingies that go on the sigqueue.
*/
typedef struct sigqueue_thingie {
queue_chain_t chain;
siginfo_t info;
} sigqueue_thingie_t;
#endif /* _PTHREAD_SIGNAL_H_ */