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Diffstat (limited to 'newlib/libc/sys/sysmec/_exit.c')
-rw-r--r--newlib/libc/sys/sysmec/_exit.c34
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 00000000000..bf7e2866b84
--- /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);
+}