Attachment 763 Details for Bug 967 – check for pending child after setting up handler

[patch] check for pending child after setting up handler

openssh-serverloop-sigchld.patch (text/plain), 1.07 KB, created by Darren Tucker on 2005-01-10 23:26:31 AEDT

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Creator: Darren Tucker

Created: 2005-01-10 23:26:31 AEDT

Size: 1.07 KB

patch

obsolete

>Index: serverloop.c
>===================================================================
>RCS file: /usr/local/src/security/openssh/cvs/openssh_cvs/serverloop.c,v
>retrieving revision 1.117
>diff -u -p -r1.117 serverloop.c
>--- serverloop.c	13 Aug 2004 11:18:01 -0000	1.117
>+++ serverloop.c	10 Jan 2005 12:21:13 -0000
>@@ -502,6 +502,10 @@ server_loop(pid_t pid, int fdin_arg, int
> 	child_terminated = 0;
> 	mysignal(SIGCHLD, sigchld_handler);
> 
>+	/* XXX */
>+	if ((wait_pid = waitpid(-1, &wait_status, WNOHANG)) > 0)
>+		waiting_termination = 1;
>+
> 	/* Initialize our global variables. */
> 	fdin = fdin_arg;
> 	fdout = fdout_arg;
>@@ -674,9 +678,11 @@ server_loop(pid_t pid, int fdin_arg, int
> 	/* We no longer want our SIGCHLD handler to be called. */
> 	mysignal(SIGCHLD, SIG_DFL);
> 
>-	while ((wait_pid = waitpid(-1, &wait_status, 0)) < 0)
>+	while (wait_pid < 0) {
>+		wait_pid = waitpid(-1, &wait_status, 0);
> 		if (errno != EINTR)
> 			packet_disconnect("wait: %.100s", strerror(errno));
>+	}
> 	if (wait_pid != pid)
> 		error("Strange, wait returned pid %ld, expected %ld",
> 		    (long)wait_pid, (long)pid);

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