xref: /minix3/minix/lib/libc/sys/init.c (revision 594df55e53732746ac76b15ad87a3eac02ec1619)
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 
__minix_init(void)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 }
33