initial import

1 files changed, 70 insertions, 0 deletions

diff --git a/stdlib/exit.c b/stdlib/exit.c
new file mode 100644
index 0000000000..4f33a25cc4
--- /dev/null
+++ b/stdlib/exit.c
@@ -0,0 +1,70 @@
+/* Copyright (C) 1991, 1995 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include "exit.h"
+
+#ifdef HAVE_GNU_LD
+#include "set-hooks.h"
+DEFINE_HOOK (__libc_atexit, (void))
+#endif
+
+
+/* Call all functions registered with `atexit' and `on_exit',
+   in the reverse of the order in which they were registered
+   perform stdio cleanup, and terminate program execution with STATUS.  */
+void
+DEFUN(exit, (status), int status)
+{
+  register CONST struct exit_function_list *l;
+
+  for (l = __exit_funcs; l != NULL; l = l->next)
+    {
+      register size_t i = l->idx;
+      while (i-- > 0)
+	{
+	  CONST struct exit_function *CONST f = &l->fns[i];
+	  switch (f->flavor)
+	    {
+	    case ef_free:
+	      break;
+	    case ef_on:
+	      (*f->func.on.fn)(status, f->func.on.arg);
+	      break;
+	    case ef_at:
+	      (*f->func.at)();
+	      break;
+	    }
+	}
+    }
+
+#ifdef	HAVE_GNU_LD
+  RUN_HOOK (__libc_atexit, ());
+#else
+  {
+    extern void EXFUN(_cleanup, (NOARGS));
+    _cleanup();
+  }
+#endif
+
+  _exit(status);
+}
+