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      1 /* ----------------------------------------------------------------------- *
      2  *
      3  *   Copyright 2004-2008 H. Peter Anvin - All Rights Reserved
      4  *
      5  *   Permission is hereby granted, free of charge, to any person
      6  *   obtaining a copy of this software and associated documentation
      7  *   files (the "Software"), to deal in the Software without
      8  *   restriction, including without limitation the rights to use,
      9  *   copy, modify, merge, publish, distribute, sublicense, and/or
     10  *   sell copies of the Software, and to permit persons to whom
     11  *   the Software is furnished to do so, subject to the following
     12  *   conditions:
     13  *
     14  *   The above copyright notice and this permission notice shall
     15  *   be included in all copies or substantial portions of the Software.
     16  *
     17  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     18  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     19  *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     20  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     21  *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     22  *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     23  *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     24  *   OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  * ----------------------------------------------------------------------- */
     27 
     28 /*
     29  * exit.c
     30  *
     31  * The regular exit
     32  */
     33 
     34 #include <sys/module.h>
     35 #include <stdlib.h>
     36 #include <unistd.h>
     37 #include "atexit.h"
     38 
     39 __noreturn exit(int rv)
     40 {
     41 	struct atexit *ap;
     42 
     43     for (ap = __syslinux_current->u.x.atexit_list; ap; ap = ap->next) {
     44 	ap->fctn(rv, ap->arg);	/* This assumes extra args are harmless */
     45     }
     46 
     47     _exit(rv);
     48 }
     49 
     50 __noreturn _Exit(int rv)
     51 {
     52     _exit(rv);
     53 }
     54 
     55 __noreturn _exit(int rv)
     56 {
     57     longjmp(__syslinux_current->u.x.process_exit, (uint8_t)rv+1);
     58 }
     59 
     60