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- /* Copyright (C) 1995,1996 Robert de Bath <rdebath@cix.compulink.co.uk>
- * This file is part of the Linux-8086 C library and is distributed
- * under the GNU Library General Public License.
- */
- /*
- * Manuel Novoa III Dec 2000
- *
- * Modifications:
- * Made atexit handling conform to standards... i.e. no args.
- * Removed on_exit since it did not match gnu libc definition.
- * Combined atexit and __do_exit into one object file.
- */
- #include <stdlib.h>
- #include <errno.h>
- typedef void (*vfuncp) (void);
- extern vfuncp __cleanup;
- #ifdef L_atexit
- static vfuncp __atexit_table[__UCLIBC_MAX_ATEXIT];
- static int __atexit_count = 0;
- static void __do_exit(void)
- {
- int count = __atexit_count - 1;
- __atexit_count = -1; /* ensure no more will be added */
- __cleanup = 0; /* Calling exit won't re-do this */
- /* In reverse order */
- for (; count >= 0; count--) {
- (*__atexit_table[count])();
- }
- }
- int atexit(vfuncp ptr)
- {
- if ((__atexit_count < 0) || (__atexit_count >= __UCLIBC_MAX_ATEXIT)) {
- errno = ENOMEM;
- return -1;
- }
- if (ptr) {
- __cleanup = __do_exit;
- __atexit_table[__atexit_count++] = ptr;
- }
- return 0;
- }
- #endif
- #ifdef L_exit
- void __stdio_close_all(void); /* note: see _start.S - could be faked */
- vfuncp __cleanup = 0;
- void exit(int rv)
- {
- if (__cleanup)
- __cleanup();
- __stdio_close_all();
- _exit(rv);
- }
- #endif
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