/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
************************************************************************/
/*___INFO__MARK_END__*/
int dummy_processes_irix_c; /* Just for compilers complaining about empty files */
#if defined(IRIX)
/* Feature test switches. */
#define _KMEMUSER 1
/* ANSI C headers. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <errno.h>
/* POSIX headers. */
#include <sys/types.h>
#include <signal.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/times.h>
#include <sys/timers.h>
#include <sys/utsname.h>
/* to get MAXPID */
#include <sys/param.h>
/* SGI headers. */
#include <sys/acct.h>
#include <sys/cred.h>
#include <sys/ioctl.h>
#define _KERNEL 1
#include <limits.h>
#include <dirent.h>
#include <sys/procfs.h>
#undef _KERNEL
#include <sys/proc.h>
#include <sys/sysinfo.h>
#include <sys/sysmp.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/dnlc.h>
#include <sys/ksa.h>
#include <sys/mbuf.h>
#include <sys/fstyp.h>
#include <sys/fsid.h>
#include <sys/statfs.h>
#include <sys/arsess.h>
#include <sys/syssgi.h>
#include <sys/stat.h>
#include <sys/swap.h>
#include <mntent.h>
#define _KERNEL 1
#include <net/if.h>
#undef _KERNEL
#include "sgedefs.h"
#include "exec_ifm.h"
#include "basis_types.h"
#include "msg_common.h"
extern void shepherd_trace(char *str);
struct prpsinfo pi;
struct prstatus ps;
struct prusage pu;
struct pracinfo pa;
/**********************************************************
We want to get a list of all processes belonging to a job.
We use the ash to find all processes.
If this function is called from a nonpriviledged user. Only his
processes are scanned.
Be carefull. If npids is low only a subset of all processes
is returned.
**********************************************************/
int getpidsOfJob(ash_t ash, pid_t pids[], int *npids)
{
static int f = -1;
char proc[PATH_MAX];
struct dirent *de;
DIR *dir;
int fillindex = 0;
char trace_str[128];
if (!ash || *npids <= 0)
return -1;
if (!(dir = opendir("/proc")))
return -1;
while ((de = readdir(dir))) {
if (!strncmp(".", de->d_name, 1))
continue;
sprintf(proc, "%s/%s", "/proc", de->d_name);
if ((f = open(proc, O_RDONLY, 0)) < 0) {
if (errno!=ENOENT) {
sprintf(trace_str, MSG_FILE_OPENFAILED_SS ,
proc, strerror(errno));
shepherd_trace(trace_str);
}
continue;
}
#if 0
if (ioctl(f, PIOCPSINFO, &pi) < 0) {
close(f);
continue;
}
if (ioctl(f, PIOCUSAGE, &pu) < 0) {
close(f);
continue;
}
if (ioctl(f, PIOCGETPR, &p) < 0) {
close(f);
continue;
}
#endif
if (ioctl(f, PIOCACINFO, &pa) < 0) {
close(f);
continue;
}
if (pa.pr_ash == ash) {
if (ioctl(f, PIOCSTATUS, &ps) < 0) {
sprintf(trace_str,MSG_SYSTEM_GETPIDSFAILED_S , proc);
shepherd_trace(trace_str);
close(f);
continue;
}
pids[fillindex++] = ps.pr_pid;
if (fillindex >= *npids) {
*npids = fillindex;
closedir(dir);
close(f);
return 0;
}
}
close(f);
}
closedir(dir);
*npids = fillindex;
return 0;
}
/**********************************************
Send a signal to all processes with an ash.
Only root can send a signal to any process
Be careful with until_vanished, because if signal is not
-9 there might be an infinite loop
**********************************************/
#define INCPTR(type, ptr, nbyte) ptr = (type *)((char *)ptr + nbyte)
#define INCJOBPTR(ptr, nbyte) INCPTR(struct psJob_s, ptr, nbyte)
#define INCPROCPTR(ptr, nbyte) INCPTR(struct psProc_s, ptr, nbyte)
int kill_ash(ash_t ash, int sig, int until_vanished)
{
struct psJob_s *jp;
struct psProc_s *pp;
char err_str[4096];
char *cmd;
if ((cmd=getenv("SGE_IRIX_KILL_COMMAND"))) {
char buf[2048];
sprintf(buf, cmd, sig, ash);
system(buf);
sprintf(err_str, "kill_ash: %s", buf);
shepherd_trace(err_str);
} else {
/* use PDC to get process info */
psStartCollector();
psWatchJob(ash);
do {
if ((jp=psGetOneJob(ash))) {
if (!jp->jd_proccount)
until_vanished = 0;
else {
int j;
pp = (struct psProc_s *)((char *)jp + jp->jd_length);
for(j=0; j<jp->jd_proccount; j++) {
if (kill(pp->pd_pid, sig)<0)
sprintf(err_str, MSG_PROC_KILL_IIS, (int) pp->pd_pid, sig, strerror(errno));
else
sprintf(err_str, MSG_PROC_KILLISSUED_II , (int) pp->pd_pid, sig);
shepherd_trace(err_str);
INCPROCPTR(pp, pp->pd_length);
}
}
}
sleep(1);
} while (until_vanished);
free(jp);
psIgnoreJob(ash);
}
return 0;
}
#ifdef TEST
int main(int argc, char **argv)
{
pid_t pids[1000];
int npids, i, sig = 0;
if (argc<=1)
return -1;
argv++;
if (!strcmp("-k", *argv)) {
argv++;
if (!*argv)
exit(1);
sig = atoi(*argv++);
}
while (*argv) {
npids = 1000;
i = getpidsOfJob((ash_t)atoi(*argv), pids, &npids);
printf("getpidsOfJob(%d) returns: %d, found %d pids\n",
atoi(*argv), i, npids);
if (!i && npids) {
printf("Pids:\n");
for (i=0; i<npids; i++) {
printf("%d, ", pids[i]);
}
printf("\n");
}
if (sig) {
printf("sending signal %d to all processes with ash %d\n",
sig, atoi(*argv));
i = kill_ash(atoi(*argv), sig, sig==9);
}
argv++;
}
}
#endif /* TEST */
#endif /* IRIX */