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#include <signal.h>
#include <u.h>
#define NOPLAN9DEFINES
#include <libc.h>
#include "9proc.h"
extern char *_p9sigstr(int, char*);
static int sigs[] = {
SIGHUP,
SIGINT,
SIGQUIT,
SIGILL,
SIGTRAP,
SIGABRT,
#ifdef SIGEMT
SIGEMT,
#endif
SIGFPE,
SIGBUS,
SIGSEGV,
SIGSYS,
SIGPIPE,
SIGALRM,
SIGTERM,
SIGTSTP,
SIGTTIN,
SIGTTOU,
SIGXCPU,
SIGXFSZ,
SIGVTALRM,
SIGUSR1,
SIGUSR2,
#ifdef SIGINFO
SIGINFO,
#endif
};
static void (*notifyf)(void*, char*);
static void
notifysigf(int sig)
{
int v;
char tmp[64];
Uproc *up;
up = _p9uproc();
v = p9setjmp(up->notejb);
if(v == 0 && notifyf)
(*notifyf)(nil, _p9sigstr(sig, tmp));
else if(v == 2){
if(0)print("HANDLED %d\n", sig);
return;
}
if(0)print("DEFAULT %d\n", sig);
signal(sig, SIG_DFL);
kill(getpid(), sig);
}
int
notify(void (*f)(void*, char*))
{
int i;
void (*sf)(int);
if(f == nil)
sf = SIG_DFL;
else{
notifyf = f;
sf = notifysigf;
}
for(i=0; i<nelem(sigs); i++)
signal(sigs[i], sf);
return 0;
}
int
noted(int v)
{
Uproc *up;
up = _p9uproc();
p9longjmp(up->notejb, v==NCONT ? 2 : 1);
abort();
return 0;
}
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