From: YAMAMOTO Mitsuharu

(Fcall_process): Block input around vfork.

1 files changed, 5 insertions, 0 deletions

diff --git a/src/callproc.c b/src/callproc.c
index 5d7447d94f2..e251fc65941 100644
--- a/src/callproc.c
+++ b/src/callproc.c
@@ -83,6 +83,7 @@ extern int errno;
 #include "process.h"
 #include "syssignal.h"
 #include "systty.h"
+#include "blockinput.h"
 
 #ifdef MSDOS
 #include "msdos.h"
@@ -624,6 +625,8 @@ usage: (call-process PROGRAM &optional INFILE BUFFER DISPLAY &rest ARGS)  */)
     pid = child_setup (filefd, fd1, fd_error, (char **) new_argv,
                        0, current_dir);
 #else  /* not WINDOWSNT */
+    BLOCK_INPUT;
+
     pid = vfork ();
 
     if (pid == 0)
@@ -641,6 +644,8 @@ usage: (call-process PROGRAM &optional INFILE BUFFER DISPLAY &rest ARGS)  */)
         child_setup (filefd, fd1, fd_error, (char **) new_argv,
                      0, current_dir);
       }
+
+    UNBLOCK_INPUT;
 #endif /* not WINDOWSNT */
 
     /* The MSDOS case did this already.  */