Don't burp if process sentinel/filter kills the current buffer.

* process.c (read_process_output, exec_sentinel): Don't burp if the
sentinel/filter kills the current buffer.

Fixes: debbugs:6060

2 files changed, 5 insertions, 2 deletions

diff --git a/src/ChangeLog b/src/ChangeLog
index 0f15ed95e0a..c24493293e8 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,5 +1,8 @@
 2010-04-29  Stefan Monnier  <monnier@iro.umontreal.ca>
 
+        * process.c (read_process_output, exec_sentinel): Don't burp if the
+        sentinel/filter kills the current buffer (bug#6060).
+
         Fix wrong-docstring problem introduced with hash-consing.  (Bug#6008)
         * eval.c (Fautoload): Set doc to a unique number rather than to 0.
         Remove unused var `args'.
diff --git a/src/process.c b/src/process.c
index 7e8f4cc57bc..29983b22858 100644
--- a/src/process.c
+++ b/src/process.c
@@ -5396,7 +5396,7 @@ read_process_output (proc, channel)
   /* There's no good reason to let process filters change the current
      buffer, and many callers of accept-process-output, sit-for, and
      friends don't expect current-buffer to be changed from under them.  */
-  record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
+  record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ());
 
   /* Read and dispose of the process output.  */
   outstream = p->filter;
@@ -6814,7 +6814,7 @@ exec_sentinel (proc, reason)
   /* There's no good reason to let sentinels change the current
      buffer, and many callers of accept-process-output, sit-for, and
      friends don't expect current-buffer to be changed from under them.  */
-  record_unwind_protect (Fset_buffer, Fcurrent_buffer ());
+  record_unwind_protect (set_buffer_if_live, Fcurrent_buffer ());
 
   sentinel = p->sentinel;
   if (NILP (sentinel))