1 b2cfc4e2 2003-09-30 devnull #include <signal.h>
  2 b2cfc4e2 2003-09-30 devnull #include <sys/types.h>
  3 b2cfc4e2 2003-09-30 devnull #include <sys/resource.h>
  4 b2cfc4e2 2003-09-30 devnull #include <sys/wait.h>
  5 b2cfc4e2 2003-09-30 devnull #include <sys/time.h>
  6 b2cfc4e2 2003-09-30 devnull #include <string.h>
  7 b2cfc4e2 2003-09-30 devnull #include <errno.h>
  8 b2cfc4e2 2003-09-30 devnull #include <lib9.h>
  9 b2cfc4e2 2003-09-30 devnull 
 10 b2cfc4e2 2003-09-30 devnull static struct {
 11 b2cfc4e2 2003-09-30 devnull 	int sig;
 12 b2cfc4e2 2003-09-30 devnull 	char *str;
 13 b2cfc4e2 2003-09-30 devnull } tab[] = {
 14 b2cfc4e2 2003-09-30 devnull 	SIGHUP,		"hangup",
 15 b2cfc4e2 2003-09-30 devnull 	SIGINT,		"interrupt",
 16 b2cfc4e2 2003-09-30 devnull 	SIGQUIT,		"quit",
 17 b2cfc4e2 2003-09-30 devnull 	SIGILL,		"sys: trap: illegal instruction",
 18 b2cfc4e2 2003-09-30 devnull 	SIGTRAP,		"sys: trace trap",
 19 b2cfc4e2 2003-09-30 devnull 	SIGABRT,		"sys: abort",
 20 b2cfc4e2 2003-09-30 devnull #ifdef SIGEMT
 21 b2cfc4e2 2003-09-30 devnull 	SIGEMT,		"sys: emulate instruction executed",
 22 b2cfc4e2 2003-09-30 devnull #endif
 23 b2cfc4e2 2003-09-30 devnull 	SIGFPE,		"sys: fp: trap",
 24 b2cfc4e2 2003-09-30 devnull 	SIGKILL,		"sys: kill",
 25 b2cfc4e2 2003-09-30 devnull 	SIGBUS,		"sys: bus error",
 26 b2cfc4e2 2003-09-30 devnull 	SIGSEGV,		"sys: segmentation violation",
 27 b2cfc4e2 2003-09-30 devnull 	SIGALRM,		"alarm",
 28 b2cfc4e2 2003-09-30 devnull 	SIGTERM,		"kill",
 29 b2cfc4e2 2003-09-30 devnull 	SIGURG,		"sys: urgent condition on socket",
 30 b2cfc4e2 2003-09-30 devnull 	SIGSTOP,		"sys: stop",
 31 b2cfc4e2 2003-09-30 devnull 	SIGTSTP,		"sys: tstp",
 32 b2cfc4e2 2003-09-30 devnull 	SIGCONT,		"sys: cont",
 33 b2cfc4e2 2003-09-30 devnull 	SIGCHLD,		"sys: child",
 34 b2cfc4e2 2003-09-30 devnull 	SIGTTIN,		"sys: ttin",
 35 b2cfc4e2 2003-09-30 devnull 	SIGTTOU,		"sys: ttou",
 36 b2cfc4e2 2003-09-30 devnull 	SIGIO,		"sys: i/o possible on fd",
 37 b2cfc4e2 2003-09-30 devnull 	SIGXCPU,		"sys: cpu time limit exceeded",
 38 b2cfc4e2 2003-09-30 devnull 	SIGXFSZ,		"sys: file size limit exceeded",
 39 b2cfc4e2 2003-09-30 devnull 	SIGVTALRM,	"sys: virtual time alarm",
 40 b2cfc4e2 2003-09-30 devnull 	SIGPROF,		"sys: profiling timer alarm",
 41 b2cfc4e2 2003-09-30 devnull 	SIGWINCH,	"sys: window size change",
 42 b2cfc4e2 2003-09-30 devnull #ifdef SIGINFO
 43 b2cfc4e2 2003-09-30 devnull 	SIGINFO,		"sys: status request",
 44 b2cfc4e2 2003-09-30 devnull #endif
 45 b2cfc4e2 2003-09-30 devnull 	SIGUSR1,		"sys: usr1",
 46 b2cfc4e2 2003-09-30 devnull 	SIGUSR2,		"sys: usr2",
 47 b2cfc4e2 2003-09-30 devnull };
 48 b2cfc4e2 2003-09-30 devnull 	
 49 b2cfc4e2 2003-09-30 devnull static char*
 50 b2cfc4e2 2003-09-30 devnull _p9sigstr(int sig, char *tmp)
 51 b2cfc4e2 2003-09-30 devnull {
 52 b2cfc4e2 2003-09-30 devnull 	int i;
 53 b2cfc4e2 2003-09-30 devnull 
 54 b2cfc4e2 2003-09-30 devnull 	for(i=0; i<nelem(tab); i++)
 55 b2cfc4e2 2003-09-30 devnull 		if(tab[i].sig == sig)
 56 b2cfc4e2 2003-09-30 devnull 			return tab[i].str;
 57 b2cfc4e2 2003-09-30 devnull 	sprint(tmp, "sys: signal %d", sig);
 58 b2cfc4e2 2003-09-30 devnull 	return tmp;
 59 b2cfc4e2 2003-09-30 devnull }
 60 b2cfc4e2 2003-09-30 devnull 
 61 b2cfc4e2 2003-09-30 devnull /*
 62 b2cfc4e2 2003-09-30 devnull static int
 63 b2cfc4e2 2003-09-30 devnull _p9strsig(char *s)
 64 b2cfc4e2 2003-09-30 devnull {
 65 b2cfc4e2 2003-09-30 devnull 	int i;
 66 b2cfc4e2 2003-09-30 devnull 
 67 b2cfc4e2 2003-09-30 devnull 	for(i=0; i<nelem(tab); i++)
 68 b2cfc4e2 2003-09-30 devnull 		if(strcmp(s, tab[i].str) == 0)
 69 b2cfc4e2 2003-09-30 devnull 			return tab[i].sig;
 70 b2cfc4e2 2003-09-30 devnull 	return 0;
 71 b2cfc4e2 2003-09-30 devnull }
 72 b2cfc4e2 2003-09-30 devnull */
 73 b2cfc4e2 2003-09-30 devnull 
 74 b2cfc4e2 2003-09-30 devnull int
 75 b2cfc4e2 2003-09-30 devnull await(char *str, int n)
 76 b2cfc4e2 2003-09-30 devnull {
 77 b2cfc4e2 2003-09-30 devnull 	int pid, status, cd;
 78 b2cfc4e2 2003-09-30 devnull 	struct rusage ru;
 79 b2cfc4e2 2003-09-30 devnull 	char buf[128], tmp[64];
 80 b2cfc4e2 2003-09-30 devnull 	ulong u, s;
 81 b2cfc4e2 2003-09-30 devnull 
 82 b2cfc4e2 2003-09-30 devnull 	for(;;){
 83 b2cfc4e2 2003-09-30 devnull 		pid = wait3(&status, 0, &ru);
 84 b2cfc4e2 2003-09-30 devnull 		if(pid < 0)
 85 b2cfc4e2 2003-09-30 devnull 			return -1;
 86 b2cfc4e2 2003-09-30 devnull 		u = ru.ru_utime.tv_sec*1000+((ru.ru_utime.tv_usec+500)/1000);
 87 b2cfc4e2 2003-09-30 devnull 		s = ru.ru_stime.tv_sec*1000+((ru.ru_stime.tv_usec+500)/1000);
 88 b2cfc4e2 2003-09-30 devnull 		if(WIFEXITED(status)){
 89 b2cfc4e2 2003-09-30 devnull 			status = WEXITSTATUS(status);
 90 b2cfc4e2 2003-09-30 devnull 			if(status)
 91 b2cfc4e2 2003-09-30 devnull 				snprint(buf, sizeof buf, "%d %lu %lu %lu %d", pid, u, s, u+s, status);
 92 b2cfc4e2 2003-09-30 devnull 			else
 93 b2cfc4e2 2003-09-30 devnull 				snprint(buf, sizeof buf, "%d %lu %lu %lu ''", pid, u, s, u+s);
 94 b2cfc4e2 2003-09-30 devnull 			strecpy(str, str+n, buf);
 95 b2cfc4e2 2003-09-30 devnull 			return strlen(str);
 96 b2cfc4e2 2003-09-30 devnull 		}
 97 b2cfc4e2 2003-09-30 devnull 		if(WIFSIGNALED(status)){
 98 b2cfc4e2 2003-09-30 devnull 			cd = WCOREDUMP(status);
 99 b2cfc4e2 2003-09-30 devnull 			USED(cd);
100 b2cfc4e2 2003-09-30 devnull 			snprint(buf, sizeof buf, "%d %lu %lu %lu '%s'", pid, u, s, u+s, _p9sigstr(WTERMSIG(status), tmp));
101 b2cfc4e2 2003-09-30 devnull 			strecpy(str, str+n, buf);
102 b2cfc4e2 2003-09-30 devnull 			return strlen(str);
103 b2cfc4e2 2003-09-30 devnull 		}
104 b2cfc4e2 2003-09-30 devnull 	}
105 b2cfc4e2 2003-09-30 devnull }