Imported Upstream version 93u+upstream

1 files changed, 100 insertions, 0 deletions

diff --git a/src/lib/libast/vmalloc/vmexit.c b/src/lib/libast/vmalloc/vmexit.c
new file mode 100644
index 0000000..c027fd5
--- /dev/null
+++ b/src/lib/libast/vmalloc/vmexit.c
@@ -0,0 +1,100 @@
+/***********************************************************************
+*                                                                      *
+*               This software is part of the ast package               *
+*          Copyright (c) 1985-2011 AT&T Intellectual Property          *
+*                      and is licensed under the                       *
+*                 Eclipse Public License, Version 1.0                  *
+*                    by AT&T Intellectual Property                     *
+*                                                                      *
+*                A copy of the License is available at                 *
+*          http://www.eclipse.org/org/documents/epl-v10.html           *
+*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
+*                                                                      *
+*              Information and Software Systems Research               *
+*                            AT&T Research                             *
+*                           Florham Park NJ                            *
+*                                                                      *
+*                 Glenn Fowler <gsf@research.att.com>                  *
+*                  David Korn <dgk@research.att.com>                   *
+*                   Phong Vo <kpv@research.att.com>                    *
+*                                                                      *
+***********************************************************************/
+#if defined(_UWIN) && defined(_BLD_ast)
+
+void _STUB_vmexit(){}
+
+#else
+
+#include	"vmhdr.h"
+
+/*
+**	Any required functions for process exiting.
+**	Written by Kiem-Phong Vo, kpv@research.att.com (05/25/93).
+*/
+#if _PACKAGE_ast || _lib_atexit
+
+void _STUB_vmexit(){}
+
+#else
+
+#if _lib_onexit
+
+#if __STD_C
+int atexit(void (*exitf)(void))
+#else
+int atexit(exitf)
+void	(*exitf)();
+#endif
+{
+	return onexit(exitf);
+}
+
+#else /*!_lib_onexit*/
+
+typedef struct _exit_s
+{	struct _exit_s*	next;
+	void(*		exitf)_ARG_((void));
+} Exit_t;
+static Exit_t*	Exit;
+
+#if __STD_C
+atexit(void (*exitf)(void))
+#else
+atexit(exitf)
+void	(*exitf)();
+#endif
+{	Exit_t*	e;
+
+	if(!(e = (Exit_t*)malloc(sizeof(Exit_t))) )
+		return -1;
+	e->exitf = exitf;
+	e->next = Exit;
+	Exit = e;
+	return 0;
+}
+
+#if __STD_C
+void exit(int type)
+#else
+void exit(type)
+int	type;
+#endif
+{
+	Exit_t*	e;
+
+	for(e = Exit; e; e = e->next)
+		(*e->exitf)();
+
+#if _exit_cleanup
+	_cleanup();
+#endif
+
+	_exit(type);
+	return type;
+}
+
+#endif	/* _lib_onexit || _lib_on_exit */
+
+#endif /*!PACKAGE_ast*/
+
+#endif