emo/sysvinit
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

The killall5 command now avoids sending any signals,

Browse Source 
including SIGSTOP and SIGCONT, to processes on the omit list.
This commit is contained in:
Jesse 2023-02-19 00:42:55 -04:00
parent 8e04d9ce2c
commit bd55f5e243
2 changed files with 24 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
doc/Changelog
View File

@ -1,4 +1,8 @@
sysvinit (3.06) unreleased; urgency=low
sysvinit (3.07) released; urgency=low
* Fixed killall5 so that processes in the omit list are
not sent any signals, including SIGSTOP.
sysvinit (3.06) released; urgency=low
* Mark Hindley fixed typo in es.po
* Mark Hindley cleaned up translation code in src/Makefile.
* Drop sulogin from Debian build. Removed libcrypt-dev dependency.

23
src/killall5.c
View File

@ -120,16 +120,16 @@ typedef struct _s_nfs
} NFS;
/* List of processes. */
PROC *plist;
PROC *plist = NULL;
/* List of processes to omit. */
OMIT *omit;
OMIT *omit = NULL;
/* List of NFS mountes partitions. */
NFS *nlist;
NFS *nlist = NULL;
/* Did we stop all processes ? */
int sent_sigstop;
int sent_sigstop = 0;
int scripts_too = 0;
/* Should pidof try to list processes in I/O wait (D) and zombie (Z) states? */
@ -1152,19 +1152,25 @@ int main(int argc, char **argv)
/* lock us into memory */
mlockall(MCL_CURRENT | MCL_FUTURE);
/* Now stop all processes. */
/* Get our session ID and PID to make sure we do not kill ourselves or our session. */
sid = (int)getsid(0);
pid = (int)getpid();
/* Now stop all processes, unless there are some we should omit. */
if (! omit)
{
kill(-1, SIGSTOP);
sent_sigstop = 1;
}
/* Read /proc filesystem */
if (readproc() < 0) {
if (sent_sigstop)
kill(-1, SIGCONT);
return(1);
}
/* Now kill all processes except init (pid 1) and our session. */
sid = (int)getsid(0);
pid = (int)getpid();
for (p = plist; p; p = p->next) {
if (p->pid == 1 || p->pid == pid || p->sid == sid || p->kernel)
continue;
@ -1179,13 +1185,14 @@ int main(int argc, char **argv)
/* On a match, continue with the for loop above. */
if (optr)
continue;
}
} /* end of skipping PIDs to omit */
kill(p->pid, sig);
retval = 0;
}
/* And let them continue. */
if (sent_sigstop)
kill(-1, SIGCONT);
/* Done. */