source: trunk/libs/newlib/src/libgloss/iq2000/_exit.c @ 546

Last change on this file since 546 was 444, checked in by satin@…, 6 years ago

add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc

File size: 847 bytes
Line 
1#include <_ansi.h>
2#include <sys/types.h>
3#include <sys/stat.h>
4#include "trap.h"
5
6
7static void _do_dtors()
8{
9  /* The loop variable is static so that if a destructor calls exit,
10     and we return here, we simply continue with the next destructor. */
11  typedef void (*pfunc) ();
12  extern pfunc __dtors[];
13  extern pfunc __dtors_end[];
14  static pfunc *p = __dtors;
15 
16  while (p < __dtors_end)
17    (*p++) ();
18}
19
20
21void _exit (n)
22{
23  extern unsigned char __eh_frame_begin[];
24  extern void __deregister_frame_info (void *);
25
26  /* Destructors should be done earlier because they need to be done before the
27     files are closed, but here is better than nowhere (and this balances the
28     constructors done in crt1.c. */
29  _do_dtors();
30
31  /* Deregister any eh frames.  */
32  __deregister_frame_info (__eh_frame_begin);
33
34  TRAP0 (SYS_exit, n, 0, 0);
35}
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