Author: eadler
Date: Sun Nov 10 05:22:29 2013
New Revision: 257911
URL: http://svnweb.freebsd.org/changeset/base/257911
Log:
pkill - Optimize pgrep -F
Ask for a specific process instead of pulling down all processes when
-F <pidfile> is specified. This is much much faster.
Obtained from: DragonflyBSD
Modified:
head/bin/pkill/pkill.c
Modified: head/bin/pkill/pkill.c
==============================================================================
--- head/bin/pkill/pkill.c Sun Nov 10 04:22:40 2013 (r257910)
+++ head/bin/pkill/pkill.c Sun Nov 10 05:22:29 2013 (r257911)
@@ -318,7 +318,10 @@ main(int argc, char **argv)
* Use KERN_PROC_PROC instead of KERN_PROC_ALL, since we
* just want processes and not individual kernel threads.
*/
- plist = kvm_getprocs(kd, KERN_PROC_PROC, 0, &nproc);
+ if (pidfromfile >= 0)
+ plist = kvm_getprocs(kd, KERN_PROC_PID, pidfromfile, &nproc);
+ else
+ plist = kvm_getprocs(kd, KERN_PROC_PROC, 0, &nproc);
if (plist == NULL) {
errx(STATUS_ERROR, "Cannot get process list (%s)",
kvm_geterr(kd));
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