Port signal-handling to DragonFly BSD.

* callproc.c, sysdep.c (block_child_signal, unblock_child_signal):
Move implementations from callproc.c to sysdep.c.
* process.h, syssignal.h (block_child_signal, unblock_child_signal):
Move declaratations from process.h to syssignal.h.

Fixes: debbugs:17646

1 files changed, 0 insertions, 2 deletions

diff --git a/src/process.h b/src/process.h
index 842554bdef4..9181139226d 100644
--- a/src/process.h
+++ b/src/process.h
@@ -213,8 +213,6 @@ enum
 
 /* Defined in callproc.c.  */
 
-extern void block_child_signal (sigset_t *);
-extern void unblock_child_signal (sigset_t const *);
 extern Lisp_Object encode_current_directory (void);
 extern void record_kill_process (struct Lisp_Process *, Lisp_Object);