+/* quick_exit( int )
+
+ This file is part of the Public Domain C Library (PDCLib).
+ Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdlib.h>
+
+#ifndef REGTEST
+#include <_PDCLIB_io.h>
+
+/* TODO - "except that a function is called after any previously registered
+ functions that had already been called at the time it was registered.
+*/
+
+/* TODO: 32 is guaranteed. This should be dynamic but ATM gives problems
+ with my malloc.
+*/
+#define NUMBER_OF_SLOTS 40
+
+void (*_PDCLIB_quickexitstack[ NUMBER_OF_SLOTS ])( void ) = { 0 };
+size_t _PDCLIB_quickexitptr = NUMBER_OF_SLOTS;
+
+void quick_exit( int status )
+{
+ while ( _PDCLIB_quickexitptr < NUMBER_OF_SLOTS )
+ {
+ _PDCLIB_quickexitstack[ _PDCLIB_quickexitptr++ ]();
+ }
+ _Exit( status );
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+ /* Unwinding of regstack tested in at_quick_exit(). */
+ return TEST_RESULTS;
+}
+
+#endif