2.9BSD/usr/src/sys/sys/sysent.c
/*
* SCCS id @(#)sysent.c 2.1 (Berkeley) 9/4/83
*/
#include "param.h"
#include <sys/systm.h>
#ifdef UCB_QUOTAS
#include <sys/quota.h>
#endif
/*
* This table is the switch used to transfer
* to the appropriate routine for processing a system call.
* Each row contains the number of arguments expected
* and a pointer to the routine.
*/
int alarm();
#ifdef MPX_FILS
int mpxchan();
#else
#define mpxchan nosys
#endif
int chdir();
int chmod();
int chown();
int chroot();
int close();
int creat();
int dup();
int exec();
int exece();
int fork();
int fstat();
int getgid();
int getpid();
int getuid();
int gtime();
int gtty();
int ioctl();
int kill();
int link();
int mknod();
int nice();
int nosys();
int nullsys();
int open();
int pause();
int pipe();
int profil();
int ptrace();
int read();
#ifdef UCB_AUTOBOOT
int reboot();
#else
#define reboot nosys
#endif
int rexit();
int saccess();
int sbreak();
int seek();
int setgid();
#ifdef MENLO_JCL
int setpgrp();
#else
#define setpgrp nosys
#endif
int setuid();
int smount();
int ssig();
int stat();
int stime();
int stty();
int sumount();
int ftime();
#ifdef ACCT
int sysacct();
#else
#define sysacct nosys
#endif
int syslock();
int sysphys();
int times();
int umask();
int unlink();
int update();
int utime();
int wait();
int write();
#ifdef CGL_RTP
int rtp();
#else
#define rtp nosys
#endif
#ifdef VIRUS_VFORK
int vfork();
#else
#define vfork nosys
#endif
struct sysent sysent[64] =
{
1, 0, nullsys, /* 0 = indir */
1, 1, rexit, /* 1 = exit */
0, 0, fork, /* 2 = fork */
3, 1, read, /* 3 = read */
3, 1, write, /* 4 = write */
2, 0, open, /* 5 = open */
1, 1, close, /* 6 = close */
0, 0, wait, /* 7 = wait */
2, 0, creat, /* 8 = creat */
2, 0, link, /* 9 = link */
1, 0, unlink, /* 10 = unlink */
2, 0, exec, /* 11 = exec */
1, 0, chdir, /* 12 = chdir */
0, 0, gtime, /* 13 = time */
3, 0, mknod, /* 14 = mknod */
2, 0, chmod, /* 15 = chmod */
3, 0, chown, /* 16 = chown; now 3 args */
1, 0, sbreak, /* 17 = break */
2, 0, stat, /* 18 = stat */
4, 1, seek, /* 19 = seek; now 3 args */
0, 0, getpid, /* 20 = getpid */
3, 0, smount, /* 21 = mount */
1, 0, sumount, /* 22 = umount */
1, 1, setuid, /* 23 = setuid */
0, 0, getuid, /* 24 = getuid */
2, 2, stime, /* 25 = stime */
4, 1, ptrace, /* 26 = ptrace */
1, 1, alarm, /* 27 = alarm */
2, 1, fstat, /* 28 = fstat */
0, 0, pause, /* 29 = pause */
2, 0, utime, /* 30 = utime */
2, 1, stty, /* 31 = stty */
2, 1, gtty, /* 32 = gtty */
2, 0, saccess, /* 33 = access */
1, 1, nice, /* 34 = nice */
1, 0, ftime, /* 35 = ftime; formerly sleep */
0, 0, update, /* 36 = sync */
2, 1, kill, /* 37 = kill */
0, 0, nullsys, /* 38 = switch; inoperative */
2, 1, setpgrp, /* 39 = setpgrp */
1, 1, nosys, /* 40 = tell (obsolete) */
2, 2, dup, /* 41 = dup */
0, 0, pipe, /* 42 = pipe */
1, 0, times, /* 43 = times */
4, 0, profil, /* 44 = prof */
0, 0, nosys, /* 45 = unused */
1, 1, setgid, /* 46 = setgid */
0, 0, getgid, /* 47 = getgid */
2, 0, ssig, /* 48 = sig */
1, 1, rtp, /* 49 = real time process */
0, 0, nosys, /* 50 = reserved for USG */
1, 0, sysacct, /* 51 = turn acct off/on */
3, 0, sysphys, /* 52 = set user physical addresses */
1, 0, syslock, /* 53 = lock user in core */
3, 0, ioctl, /* 54 = ioctl */
2, 0, reboot, /* 55 = reboot */
4, 0, mpxchan, /* 56 = creat mpx comm channel */
0, 0, vfork, /* 57 = vfork */
1, 0, nosys, /* 58 = local system calls */
3, 0, exece, /* 59 = exece */
1, 0, umask, /* 60 = umask */
1, 0, chroot, /* 61 = chroot */
0, 0, nosys, /* 62 = x */
0, 0, nosys /* 63 = used internally */
};
#ifdef UCB_LOGIN
int login();
#else
#define login nosys
#endif
#ifdef UCB_SUBM
int submit();
int killbkg();
#else
#define submit nosys
#define killbkg nosys
#endif
int nostk();
#ifndef MENLO_JCL
int killpg();
#else
#define killpg nosys
#undef setpgrp
int setpgrp();
#endif
#if !defined(NONSEPARATE) && defined(NONFP)
int fetchi();
#else
#define fetchi nosys
#endif
#ifdef UCB_QUOTAS
int quota();
int qfstat();
int qstat();
#else
#define quota nosys
#define qfstat nosys
#define qstat nosys
#endif
#ifdef UCB_LOAD
int gldav();
#else
#define gldav nosys
#endif
#ifndef NONFP
int fperr();
#else
#define fperr nosys
#endif
#ifdef UCB_VHANGUP
int vhangup();
#else
#define vhangup nosys
#endif
#ifdef UCB_RENICE
int renice();
#else
#define renice nosys
#endif
int ucall();
#ifdef UCB_NET
int gethostid();
int gethostname();
int saccept();
int sconnect();
int select();
int sethostid();
int sethostname();
int setregid();
int setreuid();
int sreceive();
int ssend();
int ssocket();
int ssocketaddr();
#else
#define gethostid nosys
#define gethostname nosys
#define saccept nosys
#define sconnect nosys
#define select nosys
#define sethostid nosys
#define sethostname nosys
#define setregid nosys
#define setreuid nosys
#define sreceive nosys
#define ssend nosys
#define ssocket nosys
#define ssocketaddr nosys
#endif
#ifdef UCB_SYMLINKS
int lstat();
int readlink();
int symlink();
#else
#define lstat nosys
#define readlink nosys
#define symlink nosys
#endif
struct sysent syslocal[] = {
0, 0, nosys, /* 0 = illegal local call */
3, 0, login, /* 1 = login */
2, 0, lstat, /* 2 = like stat, don't follow links */
1, 1, submit, /* 3 = submit - allow after logout */
0, 0, nostk, /* 4 = nostk */
2, 0, killbkg, /* 5 = killbkg - kill background */
2, 0, killpg, /* 6 = killpg - kill process group */
2, 0, renice, /* 7 = renice - change a nice value */
1, 1, fetchi, /* 8 = fetchi */
4, 0, ucall, /* 9 = ucall - call sub from user */
5, 0, quota, /* 10 = quota - set quota parameters */
2, 1, qfstat, /* 11 = qfstat- long fstat for quotas */
2, 0, qstat, /* 12 = qstat - long stat for quotas */
0, 0, setpgrp, /* 13 = setpgrp - set process group */
1, 1, gldav, /* 14 = gldav */
0, 0, fperr, /* 15 = fperr - get FP error regs */
0, 0, vhangup, /* 16 = vhangup - close tty files */
0, 0, nosys, /* 17 = unused */
#ifdef UCB_NET
4, 0, select, /* 18 = select active file descr */
2, 0, gethostname, /* 19 = get host name */
2, 0, sethostname, /* 20 = set host name */
4, 0, ssocket, /* 21 = get socket fd */
2, 0, sconnect, /* 22 = connect socket */
2, 0, saccept, /* 23 = accept socket connection */
4, 0, ssend, /* 24 = send datagram */
4, 0, sreceive, /* 25 = receive datagram */
2, 0, ssocketaddr, /* 26 = get socket address */
2, 2, setreuid, /* 27 = set real user id */
2, 2, setregid, /* 28 = set real group id */
2, 1, symlink, /* 29 = symlink */
3, 1, readlink, /* 30 = readlink */
0, 0, gethostid, /* 31 = gethostid */
2, 0, sethostid, /* 32 = sethostid */
#endif UCB_NET
};
int nlocalsys = sizeof(syslocal) / sizeof(syslocal[0]);