Merged revisions 116466 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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r116466 | tilghman | 2008-05-14 16:38:09 -0500 (Wed, 14 May 2008) | 7 lines

Avoid zombies when the channel exits before the AGI.
(closes issue #12648)
 Reported by: gkloepfer
 Patches:
       20080514__bug12648.diff.txt uploaded by Corydon76 (license 14)
 Tested by: gkloepfer

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@116467 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/res/res_agi.c b/res/res_agi.c
index 953d492..ae87391 100644 (file)
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -2681,9 +2681,13 @@ static enum agi_result run_agi(struct ast_channel *chan, char *request, AGI *agi
        if (pid > -1) {
                const char *sighup = pbx_builtin_getvar_helper(chan, "AGISIGHUP");
                if (ast_strlen_zero(sighup) || !ast_false(sighup)) {
-                       if (kill(pid, SIGHUP))
+                       if (kill(pid, SIGHUP)) {
                                ast_log(LOG_WARNING, "unable to send SIGHUP to AGI process %d: %s\n", pid, strerror(errno));
+                       } else { /* Give the process a chance to die */
+                               usleep(1);
+                       }
                }
+               waitpid(pid, status, WNOHANG);
        }
        fclose(readf);
        return returnstatus;