o5r/plan9port
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Tweaks to various bits.

Browse source 
Until I hear otherwise, Refs aren't used enough to
merit their own assembly.  They are now implemented with locks.
This commit is contained in:
rsc 2003-12-17 04:34:52 +00:00
parent 7f11104a57
commit 49588d5d90
11 changed files with 166 additions and 90 deletions
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57
src/lib9/notify.c
View file

@ -7,33 +7,37 @@
extern char *_p9sigstr(int, char*);
static int sigs[] = {
SIGHUP,
SIGINT,
SIGQUIT,
SIGILL,
SIGTRAP,
static struct {
int sig;
int restart;
} sigs[] = {
SIGHUP, 0,
SIGINT, 0,
SIGQUIT, 0,
SIGILL, 0,
SIGTRAP, 0,
/* SIGABRT, */
#ifdef SIGEMT
SIGEMT,
SIGEMT, 0,
#endif
SIGFPE,
SIGBUS,
SIGFPE, 0,
SIGBUS, 0,
/* SIGSEGV, */
SIGSYS,
SIGPIPE,
SIGALRM,
SIGTERM,
SIGTSTP,
SIGTTIN,
SIGTTOU,
SIGXCPU,
SIGXFSZ,
SIGVTALRM,
SIGUSR1,
SIGUSR2,
SIGCHLD, 1,
SIGSYS, 0,
SIGPIPE, 0,
SIGALRM, 0,
SIGTERM, 0,
SIGTSTP, 1,
SIGTTIN, 1,
SIGTTOU, 1,
SIGXCPU, 0,
SIGXFSZ, 0,
SIGVTALRM, 0,
SIGUSR1, 0,
SIGUSR2, 0,
#ifdef SIGINFO
SIGINFO,
SIGINFO, 0,
#endif
};
@ -72,8 +76,13 @@ notify(void (*f)(void*, char*))
notifyf = f;
sa.sa_handler = notifysigf;
}
for(i=0; i<nelem(sigs); i++)
sigaction(sigs[i], &sa, 0);
for(i=0; i<nelem(sigs); i++){
if(sigs[i].restart)
sa.sa_flags |= SA_RESTART;
else
sa.sa_flags &= ~SA_RESTART;
sigaction(sigs[i].sig, &sa, 0);
}
return 0;
}