shithub: drawcpu

ref: cc7216394dd7f921e6856a9ce7fa0344816a222e
dir: /kern/await.c/

#include "u.h"
#include <signal.h>
#include "lib.h"
#include "dat.h"
#include "fns.h"
#include "error.h"
#include "user.h"
#include "sys.h"
#include "proc.h"

#define long	int

#ifndef WCOREDUMP	/* not on Mac OS X Tiger */
#define WCOREDUMP(status) 0
#endif

static struct {
	int sig;
	char *str;
} tab[] = {
	SIGHUP,		"hangup",
	SIGINT,		"interrupt",
	SIGQUIT,		"quit",
	SIGILL,		"sys: illegal instruction",
	SIGTRAP,		"sys: breakpoint",
	SIGABRT,		"sys: abort",
#ifdef SIGEMT
	SIGEMT,		"sys: emulate instruction executed",
#endif
	SIGFPE,		"sys: fp: trap",
	SIGKILL,		"sys: kill",
	SIGBUS,		"sys: bus error",
	SIGSEGV,		"sys: segmentation violation",
	SIGALRM,		"alarm",
	SIGTERM,		"kill",
	SIGURG,		"sys: urgent condition on socket",
	SIGSTOP,		"sys: stop",
	SIGTSTP,		"sys: tstp",
	SIGCONT,		"sys: cont",
	SIGCHLD,		"sys: child",
	SIGTTIN,		"sys: ttin",
	SIGTTOU,		"sys: ttou",
#ifdef SIGIO	/* not on Mac OS X Tiger */
	SIGIO,		"sys: i/o possible on fd",
#endif
	SIGXCPU,		"sys: cpu time limit exceeded",
	SIGXFSZ,		"sys: file size limit exceeded",
	SIGVTALRM,	"sys: virtual time alarm",
	SIGPROF,		"sys: profiling timer alarm",
#ifdef SIGWINCH	/* not on Mac OS X Tiger */
	SIGWINCH,	"sys: window size change",
#endif
#ifdef SIGINFO
	SIGINFO,		"sys: status request",
#endif
	SIGUSR1,		"sys: usr1",
	SIGUSR2,		"sys: usr2",
	SIGPIPE,		"sys: write on closed pipe",
};

char*
_p9sigstr(int sig, char *tmp)
{
	int i;

	for(i=0; i<nelem(tab); i++)
		if(tab[i].sig == sig)
			return tab[i].str;
	if(tmp == nil)
		return nil;
	sprint(tmp, "sys: signal %d", sig);
	return tmp;
}

int
_p9strsig(char *s)
{
	int i;

	for(i=0; i<nelem(tab); i++)
		if(strcmp(s, tab[i].str) == 0)
			return tab[i].sig;
	return 0;
}

int
await(char *p, int n)
{
	return osawait(up, p, n);
}