minix/lib/libc/sys/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        = _ipc_sendrec_intr,
  12         .send           = _ipc_send_intr,
  13         .notify         = _ipc_notify_intr,
  14         .senda          = _ipc_senda_intr,
  15         .sendnb         = _ipc_sendnb_intr,
  16         .receive        = _ipc_receive_intr,
  17         .do_kernel_call = _do_kernel_call_intr,
  18 };
  19
  20 void __minix_init(void)
  21 {
  22         if((ipc_minix_kerninfo(&_minix_kerninfo) != 0) ||
  23                 (_minix_kerninfo->kerninfo_magic != KERNINFO_MAGIC))
  24         {
  25                 _minix_kerninfo = NULL;
  26         }
  27         else if((_minix_kerninfo->ki_flags & MINIX_KIF_IPCVECS) &&
  28                 (_minix_kerninfo->minix_ipcvecs != NULL))
  29         {
  30                 _minix_ipcvecs = *_minix_kerninfo->minix_ipcvecs;
  31         }
  32 }