Quentin Smith
62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/* ISC license. */
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#ifndef SIG_H
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#define SIG_H
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#include <signal.h>
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#include "gccattributes.h"
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extern int sig_alarm gccattr_deprecated ;
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extern int sig_child gccattr_deprecated ;
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extern int sig_stop gccattr_deprecated ;
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extern int sig_cont gccattr_deprecated ;
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extern int sig_hangup gccattr_deprecated ;
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extern int sig_int gccattr_deprecated ;
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extern int sig_kill gccattr_deprecated ;
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extern int sig_pipe gccattr_deprecated ;
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extern int sig_term gccattr_deprecated ;
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extern int sig_usr1 gccattr_deprecated ;
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extern int sig_usr2 gccattr_deprecated ;
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extern int sig_quit gccattr_deprecated ;
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extern int sig_abort gccattr_deprecated ;
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typedef void skasighandler_t (int) ;
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typedef skasighandler_t *skasighandler_t_ref ;
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struct skasigaction
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{
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skasighandler_t_ref handler ;
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unsigned int flags : 2 ;
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} ;
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#define SKASA_MASKALL 0x01
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#define SKASA_NOCLDSTOP 0x02
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extern struct skasigaction const SKASIG_DFL ;
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extern struct skasigaction const SKASIG_IGN ;
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extern int skasigaction (int, struct skasigaction const *, struct skasigaction *) ;
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#define sig_catcha(sig, ac) skasigaction(sig, (ac), 0)
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#define sig_restore(sig) skasigaction((sig), &SKASIG_DFL, 0)
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extern void sig_restoreto (sigset_t const *, unsigned int) ;
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extern int sig_catch (int, skasighandler_t_ref) ;
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#define sig_ignore(sig) sig_catcha((sig), &SKASIG_IGN)
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#define sig_uncatch(sig) sig_restore(sig)
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#define SIGSTACKSIZE 16
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extern int sig_pusha (int, struct skasigaction const *) ;
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extern int sig_pop (int) ;
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extern int sig_push (int, skasighandler_t_ref) ;
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extern void sig_block (int) ;
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extern void sig_blockset (sigset_t const *) ;
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extern void sig_unblock (int) ;
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extern void sig_blocknone (void) ;
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extern void sig_pause (void) ;
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extern void sig_shield (void) ;
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extern void sig_unshield (void) ;
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#endif
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