From: Richard M. Stallman <rms@gnu.org>
Date: Wed, 9 Mar 1994 22:10:08 +0000 (+0000)
Subject: Don't kill remaining processes if child exits.
X-Git-Tag: emacs-19.34~9577
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=37d541216777cc32c18b7d5daef1c90999699806;p=emacs.git

Don't kill remaining processes if child exits.
(call_process_exited): New variable.
(Fcall_process): Set it.
(call_process_cleanup): Test it.
---

diff --git a/src/callproc.c b/src/callproc.c
index ae10f2f2012..04c2bdc7579 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -95,6 +95,13 @@ int synch_process_retcode;
 
 extern Lisp_Object Vdoc_file_name;
 
+/* Clean up when exiting Fcall_process.
+   On MSDOS, delete the temporary file on any kind of termination.
+   On Unix, kill the process and any children on termination by signal.  */
+
+/* Nonzero if this is termination due to exit.  */
+static int call_process_exited;
+
 #ifndef VMS  /* VMS version is in vmsproc.c.  */
 
 static Lisp_Object
@@ -120,6 +127,9 @@ call_process_cleanup (fdpid)
 #else /* not MSDOS */
   register int pid = XFASTINT (Fcdr (fdpid));
 
+  if (call_process_exited)
+    return Qnil;
+
   if (EMACS_KILLPG (pid, SIGINT) == 0)
     {
       int count = specpdl_ptr - specpdl;
@@ -373,6 +383,8 @@ If you quit, the process is killed with SIGINT, or SIGKILL if you quit again.")
       return Qnil;
     }
 
+  call_process_exited = 0;
+
 #ifdef MSDOS
   /* MSDOS needs different cleanup information.  */
   record_unwind_protect (call_process_cleanup,
@@ -417,6 +429,10 @@ If you quit, the process is killed with SIGINT, or SIGKILL if you quit again.")
 
   set_buffer_internal (old);
 
+  /* Don't kill any children that the subprocess may have left behind
+     when exiting.  */
+  call_process_exited = 1;
+
   unbind_to (count, Qnil);
 
   if (synch_process_death)