mirror_zfs/include/sys/signal.h
behlendo 1ec74a114c Minimal signal handling interface.
git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@49 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
2008-03-17 18:29:57 +00:00

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C

#ifndef _SPL_SIGNAL_H
#define _SPL_SIGNAL_H
#define FORREAL 0 /* Usual side-effects */
#define JUSTLOOKING 1 /* Don't stop the process */
/* The "why" argument indicates the allowable side-effects of the call:
*
* FORREAL: Extract the next pending signal from p_sig into p_cursig;
* stop the process if a stop has been requested or if a traced signal
* is pending.
*
* JUSTLOOKING: Don't stop the process, just indicate whether or not
* a signal might be pending (FORREAL is needed to tell for sure).
*/
static __inline__ int
issig(int why)
{
BUG_ON(!(why == FORREAL || why == JUSTLOOKING));
return signal_pending(current);
}
#endif /* SPL_SIGNAL_H */