minix/lib/libc/other/_svrctl.c

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/* svrctl() - special server control functions. Author: Kees J. Bot
* 24 Apr 1994
*/
#include <lib.h>
#include <stdio.h>
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#define svrctl _svrctl
#include <sys/svrctl.h>
int svrctl(int request, void *argp)
{
message m;
m.m2_i1 = request;
m.m2_p1 = argp;
switch ((request >> 8) & 0xFF) {
case 'M':
case 'S':
/* MM handles calls for itself and the kernel. */
return _syscall(PM_PROC_NR, SVRCTL, &m);
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case 'F':
case 'I':
/* FS handles calls for itself and inet. */
return _syscall(VFS_PROC_NR, SVRCTL, &m);
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default:
errno = EINVAL;
return -1;
}
}