import newlib-2000-02-17 snapshot

1 files changed, 34 insertions, 0 deletions

diff --git a/newlib/libc/sys/sysmec/_exit.c b/newlib/libc/sys/sysmec/_exit.c
new file mode 100644
index 000000000..bf7e2866b
--- /dev/null
+++ b/newlib/libc/sys/sysmec/_exit.c
@@ -0,0 +1,34 @@
+#include <_ansi.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include "sys/syscall.h"
+
+int errno;
+
+int __trap0 ();
+
+#define TRAP0(f, p1, p2, p3) __trap0(f, (p1), (p2), (p3))
+
+static void _do_dtors()
+{
+  /* The loop variable is static so that if a destructor calls exit, 
+     and we return here, we simply continue with the next destructor. */
+  typedef void (*pfunc) ();
+  extern pfunc __dtors[];
+  extern pfunc __dtors_end[];
+  static pfunc *p = __dtors;
+  
+  while (p < __dtors_end)
+    (*p++) ();
+}
+
+
+void _exit (n)
+{
+  /* Destructors should be done earlier because they need to be done before the
+     files are closed, but here is better than nowhere (and this balances the
+     constructors done in crt1.c. */
+  _do_dtors();
+
+  TRAP0 (SYS_exit, n, 0, 0);
+}