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authorjilles <jilles@FreeBSD.org>2014-03-08 19:44:34 +0000
committerjilles <jilles@FreeBSD.org>2014-03-08 19:44:34 +0000
commit6139448a8684c288eb32e0763ef20749ab495847 (patch)
treedbd858bb77071b4170dbaa3bc3218ea399c009c1 /bin/sh
parent8dfc245ef95431f18412d2103ec22f44917d1805 (diff)
downloadFreeBSD-src-6139448a8684c288eb32e0763ef20749ab495847.zip
FreeBSD-src-6139448a8684c288eb32e0763ef20749ab495847.tar.gz
sh: Successfully do nothing when killing a terminated job.
If a job has terminated but is still known, silently do nothing when using the kill builtin with the job specifier. Formerly, the shell called kill() with the process group ID that might have been reused.
Diffstat (limited to 'bin/sh')
-rw-r--r--bin/sh/jobs.c2
-rw-r--r--bin/sh/tests/builtins/Makefile1
-rw-r--r--bin/sh/tests/builtins/kill1.08
3 files changed, 11 insertions, 0 deletions
diff --git a/bin/sh/jobs.c b/bin/sh/jobs.c
index 1c0c6bd..6e7791c 100644
--- a/bin/sh/jobs.c
+++ b/bin/sh/jobs.c
@@ -645,6 +645,8 @@ getjobpgrp(char *name)
struct job *jp;
jp = getjob(name);
+ if (jp->state == JOBDONE)
+ return 0;
return -jp->ps[0].pid;
}
diff --git a/bin/sh/tests/builtins/Makefile b/bin/sh/tests/builtins/Makefile
index 6f60f84..b76d631 100644
--- a/bin/sh/tests/builtins/Makefile
+++ b/bin/sh/tests/builtins/Makefile
@@ -86,6 +86,7 @@ FILES+= hash3.0 hash3.0.stdout
FILES+= hash4.0
FILES+= jobid1.0
FILES+= jobid2.0
+FILES+= kill1.0
FILES+= lineno.0 lineno.0.stdout
FILES+= lineno2.0
FILES+= local1.0
diff --git a/bin/sh/tests/builtins/kill1.0 b/bin/sh/tests/builtins/kill1.0
new file mode 100644
index 0000000..c1b8550
--- /dev/null
+++ b/bin/sh/tests/builtins/kill1.0
@@ -0,0 +1,8 @@
+# $FreeBSD$
+
+: &
+p1=$!
+: &
+p2=$!
+wait $p2
+kill %1
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