| 1 | /*␊ |
| 2 | * exit.c␊ |
| 3 | *␊ |
| 4 | * exit(), including the handling of the atexit chain.␊ |
| 5 | */␊ |
| 6 | ␊ |
| 7 | #include <stdlib.h>␊ |
| 8 | #include <unistd.h>␊ |
| 9 | #include <sys/syscall.h>␊ |
| 10 | #include "atexit.h"␊ |
| 11 | ␊ |
| 12 | /* Link chain for atexit/on_exit */␊ |
| 13 | struct atexit *__atexit_list;␊ |
| 14 | ␊ |
| 15 | void exit(int rv)␊ |
| 16 | {␊ |
| 17 | ␉struct atexit *ap;␊ |
| 18 | ␊ |
| 19 | ␉for (ap = __atexit_list; ap; ap = ap->next) {␊ |
| 20 | ␉␉/* This assumes extra args are harmless. They should␊ |
| 21 | ␉␉ be in all normal C ABIs, but if an architecture has␊ |
| 22 | ␉␉ some particularly bizarre ABI this might be worth␊ |
| 23 | ␉␉ watching out for. */␊ |
| 24 | ␉␉ap->fctn(rv, ap->arg);␊ |
| 25 | ␉}␊ |
| 26 | ␊ |
| 27 | ␉/* Handle any library destructors if we ever start using them... */␊ |
| 28 | ␊ |
| 29 | ␉_exit(rv);␊ |
| 30 | }␊ |
| 31 | |
