25 lines
669 B
C
25 lines
669 B
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 */
|