revert SIGHUP patch to restore original behavior for 1.0 (bug #4854)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@6347 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/res/res_agi.c b/res/res_agi.c
index 819470b1335d7578ae63976a57465f8e6e6b0569..830a11278d4a3c7837be9b3cce4434181287d5bc 100755 (executable)
--- a/res/res_agi.c
+++ b/res/res_agi.c
@@ -203,7 +203,6 @@ static int launch_script(char *script, char *argv[], int *fds, int *efd, int *op
        int audio[2];
        int x;
        int res;
-       sigset_t signal_set;
        
        if (!strncasecmp(script, "agi://", 6))
                return launch_netscript(script, argv, fds, efd, opid);
@@ -260,12 +259,6 @@ static int launch_script(char *script, char *argv[], int *fds, int *efd, int *op
                        close(STDERR_FILENO + 1);
                }
                
-               /* unblock important signal handlers */
-               if (sigfillset(&signal_set) || pthread_sigmask(SIG_UNBLOCK, &signal_set, NULL)) {
-                       ast_log(LOG_WARNING, "unable to unblock signals for AGI script: %s\n", strerror(errno));
-                       exit(1);
-               }
-
                /* Close everything but stdin/out/error */
                for (x=STDERR_FILENO + 2;x<1024;x++) 
                        close(x);
@@ -1551,10 +1544,8 @@ static int run_agi(struct ast_channel *chan, char *request, AGI *agi, int pid, i
                }
        }
        /* Notify process */
-       if (pid > -1) {
-               if (kill(pid, SIGHUP))
-                       ast_log(LOG_WARNING, "unable to send SIGHUP to AGI process %d: %s\n", pid, strerror(errno));
-       }
+       if (pid > -1)
+               kill(pid, SIGHUP);
        fclose(readf);
        return returnstatus;
 }