Port signal-handling to DragonFly BSD.

[bpt/emacs.git] / src / sysdep.c

diff --git a/src/sysdep.c b/src/sysdep.c
index 573d419..480813e 100644 (file)
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -659,7 +659,29 @@ ignore_sigio (void)
   signal (SIGIO, SIG_IGN);
 #endif
 }
+\f
+#ifndef MSDOS
+/* Block SIGCHLD.  */
+
+void
+block_child_signal (sigset_t *oldset)
+{
+  sigset_t blocked;
+  sigemptyset (&blocked);
+  sigaddset (&blocked, SIGCHLD);
+  sigaddset (&blocked, SIGINT);
+  pthread_sigmask (SIG_BLOCK, &blocked, oldset);
+}
+
+/* Unblock SIGCHLD.  */
+
+void
+unblock_child_signal (sigset_t const *oldset)
+{
+  pthread_sigmask (SIG_SETMASK, oldset, 0);
+}
 
+#endif /* !MSDOS */
 \f
 /* Saving and restoring the process group of Emacs's terminal.  */