48f20655ac
- new call names, message field aliases, call tables; - initialize all ABI request messages to zero; - format callnr.h in the same way as com.h; - remove param.h namespace pollution in servers; - make brk(2) go to VM directly, rather than through PM; - remove obsolete WAIT and BRK calls from PM; - remove obsolete UTIME call from VFS; - clean up path copying routine in VFS; - move system calls from libminlib to libc; - correct some errno-related mistakes in libc routines; Change-Id: I2d8ec5d061cd7e0b30c51ffd77aa72ebf84e2565
31 lines
618 B
C
31 lines
618 B
C
/* svrctl() - special server control functions. Author: Kees J. Bot
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* 24 Apr 1994
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*/
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#include <lib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/svrctl.h>
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int svrctl(int request, void *argp)
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{
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message m;
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memset(&m, 0, sizeof(m));
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m.SVRCTL_REQ = request;
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m.SVRCTL_ARG = argp;
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switch ((request >> 8) & 0xFF) {
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case 'M':
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case 'S':
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/* PM handles calls for itself and the kernel. */
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return _syscall(PM_PROC_NR, PM_SVRCTL, &m);
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case 'F':
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case 'I':
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/* VFS handles calls for itself and inet. */
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return _syscall(VFS_PROC_NR, VFS_SVRCTL, &m);
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default:
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errno = EINVAL;
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return -1;
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}
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}
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