1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "sys/syscall.h"
int errno;
int __trap0 (int function, int p1, int p2, int p3);
#define TRAP0(f, p1, p2, p3) __trap0(f, (int)(p1), (int)(p2), (int)(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);
}
|
