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replace /proc scanning code by more versatile one.

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Use it where appropriate.
Stop scanning /etc/passwd *for every process*!!! (uid->username)
top: reduce memory usage - we won't save unneeded fields
from /proc info anymore. Downside: ~+250 bytes of code
This commit is contained in:
Denis Vlasenko
2006-11-05 00:43:51 +00:00
parent fa07680091
commit 459e4d6cf7
6 changed files with 329 additions and 172 deletions
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6
procps/kill.c
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@@ -82,7 +82,7 @@ do_it_now:
if (killall5) {
pid_t sid;
procps_status_t* p;
procps_status_t* p = NULL;
// Cannot happen anyway? We don't TERM ourself, we STOP
// /* kill(-1, sig) on Linux (at least 2.1.x)
@@ -94,8 +94,8 @@ do_it_now:
pid = getpid();
sid = getsid(pid);
/* Now kill all processes except our session */
while ((p = procps_scan(0))!=0) {
if (getsid(p->pid)!=sid && p->pid!=pid && p->pid!=1)
while ((p = procps_scan(p, PSSCAN_PID|PSSCAN_SID))) {
if (p->sid != sid && p->pid != pid && p->pid != 1)
kill(p->pid, signo);
}
/* And let them continue */