lib/libc/sys-minix/init.c

   1
   2 #include <stdio.h>
   3 #include <minix/ipc.h>
   4
   5 /* Minix kernel info, IPC functions pointers */
   6 struct minix_kerninfo *_minix_kerninfo = NULL;
   7
   8 void    __minix_init(void) __attribute__((__constructor__, __used__));
   9
  10 struct minix_ipcvecs _minix_ipcvecs = {
  11         .sendrec_ptr = _sendrec_orig,
  12         .send_ptr = _send_orig,
  13         .notify_ptr = _notify_orig,
  14         .senda_ptr = _senda_orig,
  15         .sendnb_ptr = _sendnb_orig,
  16         .receive_ptr = _receive_orig,
  17         .do_kernel_call_ptr = _do_kernel_call_orig,
  18 };
  19
  20 void __minix_init(void)
  21 {
  22         if((_minix_kernel_info_struct(&_minix_kerninfo)) != 0
  23           || _minix_kerninfo->kerninfo_magic != KERNINFO_MAGIC) {
  24                 _minix_kerninfo = NULL;
  25          } else if((_minix_kerninfo->ki_flags & MINIX_KIF_IPCVECS) &&
  26                 _minix_kerninfo->minix_ipcvecs) {
  27                 _minix_ipcvecs = *_minix_kerninfo->minix_ipcvecs;
  28          }
  29 }
  30