Author: jilles
Date: Sat Jul 28 15:13:48 2012
New Revision: 238867
URL: http://svn.freebsd.org/changeset/base/238867
Log:
sh: Do not ask for stopped/continued processes if we do not need them
rather than retrying wait3 if they happen.
Modified:
head/bin/sh/jobs.c
Modified: head/bin/sh/jobs.c
==============================================================================
--- head/bin/sh/jobs.c Sat Jul 28 14:56:50 2012 (r238866)
+++ head/bin/sh/jobs.c Sat Jul 28 15:13:48 2012 (r238867)
@@ -1025,17 +1025,16 @@ dowait(int block, struct job *job)
TRACE(("dowait(%d) called\n", block));
do {
#if JOBS
- wflags = WUNTRACED | WCONTINUED;
-#else
- wflags = 0;
+ if (iflag)
+ wflags = WUNTRACED | WCONTINUED;
+ else
#endif
+ wflags = 0;
if (block == 0)
wflags |= WNOHANG;
pid = wait3(&status, wflags, (struct rusage *)NULL);
TRACE(("wait returns %d, status=%d\n", (int)pid, status));
- } while ((pid == -1 && errno == EINTR && breakwaitcmd == 0) ||
- (pid > 0 && (WIFSTOPPED(status) || WIFCONTINUED(status)) &&
- !iflag));
+ } while (pid == -1 && errno == EINTR && breakwaitcmd == 0);
if (pid == -1 && errno == ECHILD && job != NULL)
job->state = JOBDONE;
if (breakwaitcmd != 0) {
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