Don't ignore SIGPROF in subprocesses

* process.c (create_process): Reset SIGPROF handler in the child.
* callproc.c (call_process): Likewise.

src/ChangeLog

+2014-01-30  Andreas Schwab  <schwab@linux-m68k.org>
+
+	* process.c (create_process): Reset SIGPROF handler in the child.
+	* callproc.c (call_process): Likewise.
+
 2014-01-29  Paul Eggert  <eggert@cs.ucla.edu>
 
 	* xmenu.c (create_and_show_popup_menu): Port comment to C89.

src/callproc.c

@@ -677,6 +677,10 @@ call_process (ptrdiff_t nargs, Lisp_Object *args, int filefd,
 
       /* Emacs ignores SIGPIPE, but the child should not.  */
       signal (SIGPIPE, SIG_DFL);
+      /* Likewise for SIGPROF.  */
+#ifdef SIGPROF
+      signal (SIGPROF, SIG_DFL);
+#endif
 
       child_setup (filefd, fd_output, fd_error, new_argv, 0, current_dir);
     }

src/process.c

@@ -1841,6 +1841,9 @@ create_process (Lisp_Object process, char **new_argv, Lisp_Object current_dir)
 
       signal (SIGINT, SIG_DFL);
       signal (SIGQUIT, SIG_DFL);
+#ifdef SIGPROF
+      signal (SIGPROF, SIG_DFL);
+#endif
 
       /* Emacs ignores SIGPIPE, but the child should not.  */
       signal (SIGPIPE, SIG_DFL);