2.11BSD#431 - /usr/src/sys/sys/init_sysent.c

   1: /*
   2:  * Copyright (c) 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)init_sysent.c	1.16 (2.11BSD) 2000/2/20
   7:  */
   8: 
   9: /*
  10:  * System call switch table.
  11:  */
  12: 
  13: #include "param.h"
  14: #include "systm.h"
  15: 
  16: int nosys();
  17: 
  18: /* 1.1 processes and protection */
  19: int getpid();
  20: int getppid(), fork(),rexit(),execv(),execve();
  21: int wait4(), getuid(),getgid(),getgroups(),setgroups();
  22: int geteuid(), getegid(), getlogin();
  23: int getpgrp(),setpgrp(), setlogin();
  24: int setgid(), setegid(), setuid(), seteuid();
  25: int ucall();                    /* 2BSD calls */
  26: 
  27: /* 1.2 memory management */
  28: int sbrk();
  29: int lock(),phys(),fetchi(),nostk(),fperr();     /* 2BSD calls */
  30: 
  31: /* 1.3 signals */
  32: int sigstack(),sigreturn();
  33: int sigaction(), sigprocmask(), sigpending(), sigaltstack(), sigsuspend();
  34: int sigwait(), kill(), killpg();
  35: 
  36: /* 1.4 timing and statistics */
  37: int gettimeofday(),settimeofday();
  38: int getitimer(),setitimer();
  39: int adjtime();
  40: 
  41: /* 1.5 descriptors */
  42: int getdtablesize(),dup(),dup2(),close();
  43: int pselect(),select(),fcntl(),flock();
  44: 
  45: /* 1.6 resource controls */
  46: int getpriority(),setpriority(),getrusage(),getrlimit(),setrlimit();
  47: int setquota(),qquota();
  48: 
  49: /* 1.7 system operation support */
  50: int umount(),smount();
  51: int sync(),reboot(),__sysctl();
  52: 
  53: /* 2.1 generic operations */
  54: int read(),write(),readv(),writev(),ioctl();
  55: 
  56: /* 2.2 file system */
  57: int chdir(), fchdir(), chroot();
  58: int mkdir(),rmdir(), chflags(), fchflags();
  59: int open(),mknod(),unlink(),stat(),fstat(),lstat();
  60: int chown(),fchown(),chmod(),fchmod(),utimes();
  61: int link(),symlink(),readlink(),rename();
  62: int lseek(),truncate(),ftruncate(),saccess(),fsync();
  63: int statfs(), fstatfs(), getfsstat();
  64: 
  65: /* 2.3 communications */
  66: int socket(),bind(),listen(),accept(),connect();
  67: int socketpair(),sendto(),send(),recvfrom(),recv();
  68: int sendmsg(),recvmsg(),shutdown(),setsockopt(),getsockopt();
  69: int getsockname(),getpeername(),pipe();
  70: 
  71: int umask();        /* XXX */
  72: 
  73: /* 2.4 processes */
  74: int ptrace();
  75: 
  76: /* 2.5 terminals */
  77: 
  78: #ifdef INET
  79: #define ifnet(narg, name)   narg, name
  80: #define errnet(narg, name)  narg, name
  81: #else
  82: int nonet();
  83: #define ifnet(narg, name)   0, nosys
  84: #define errnet(narg, name)  0, nonet
  85: #endif
  86: 
  87: /* BEGIN JUNK */
  88: int profil();       /* 'cuz sys calls are interruptible */
  89: int vhangup();      /* should just do in exit() */
  90: int vfork();        /* awaiting fork w/ copy on write */
  91: /* END JUNK */
  92: 
  93: /*
  94:  * Reserved/unimplemented system calls in the range 0-150 inclusive
  95:  * are reserved for use in future Berkeley releases.
  96:  * Additional system calls implemented in vendor and other
  97:  * redistributions should be placed in the reserved range at the end
  98:  * of the current calls.
  99:  */
 100: /*
 101:  * This table is the switch used to transfer to the appropriate routine for
 102:  * processing a system call.  Each row contains the number of words of
 103:  * arguments expected in registers, how many on the stack, and a pointer to
 104:  * the routine.
 105:  *
 106:  * The maximum number of direct system calls is 255 since system call numbers
 107:  * are encoded in the lower byte of the trap instruction -- see trap.c.
 108:  */
 109: struct sysent sysent[] = {
 110:     1, nosys,           /*   0 = indir or out-of-range */
 111:     1, rexit,           /*   1 = exit */
 112:     0, fork,            /*   2 = fork */
 113:     3, read,            /*   3 = read */
 114:     3, write,           /*   4 = write */
 115:     3, open,            /*   5 = open */
 116:     1, close,           /*   6 = close */
 117:     4, wait4,           /*   7 = wait4 */
 118:     0, nosys,           /*   8 = (old creat) */
 119:     2, link,            /*   9 = link */
 120:     1, unlink,          /*  10 = unlink */
 121:     2, execv,           /*  11 = execv */
 122:     1, chdir,           /*  12 = chdir */
 123:     1, fchdir,          /*  13 = fchdir */
 124:     3, mknod,           /*  14 = mknod */
 125:     2, chmod,           /*  15 = chmod */
 126:     3, chown,           /*  16 = chown; now 3 args */
 127:     2, chflags,         /*  17 = chflags */
 128:     2, fchflags,            /*  18 = fchflags */
 129:     4, lseek,           /*  19 = lseek */
 130:     0, getpid,          /*  20 = getpid */
 131:     3, smount,          /*  21 = mount */
 132:     1, umount,          /*  22 = umount */
 133:     6, __sysctl,            /*  23 = __sysctl */
 134:     0, getuid,          /*  24 = getuid */
 135:     0, geteuid,         /*  25 = geteuid */
 136:     4, ptrace,          /*  26 = ptrace */
 137:     0, getppid,         /*  27 = getppid */
 138:     2, statfs,          /*  28 = statfs */
 139:     2, fstatfs,         /*  29 = fstatfs */
 140:     3, getfsstat,           /*  30 = getfsstat */
 141:     4, sigaction,           /*  31 = sigaction */
 142:     3, sigprocmask,         /*  32 = sigprocmask */
 143:     2, saccess,         /*  33 = access */
 144:     1, sigpending,          /*  34 = sigpending */
 145:     2, sigaltstack,         /*  35 = sigaltstack */
 146:     0, sync,            /*  36 = sync */
 147:     2, kill,            /*  37 = kill */
 148:     2, stat,            /*  38 = stat */
 149:     2, getlogin,            /*  39 = getlogin */
 150:     2, lstat,           /*  40 = lstat */
 151:     1, dup,             /*  41 = dup */
 152:     0, pipe,            /*  42 = pipe */
 153:     1, setlogin,            /*  43 = setlogin */
 154:     4, profil,          /*  44 = profil */
 155:     1, setuid,          /*  45 = setuid */
 156:     1, seteuid,         /*  46 = seteuid */
 157:     0, getgid,          /*  47 = getgid */
 158:     0, getegid,         /*  48 = getegid */
 159:     1, setgid,          /*  49 = setgid */
 160:     1, setegid,         /*  50 = setegid */
 161:     0, nosys,           /*  51 = unused */
 162:     3, phys,            /*  52 = (2.9) set phys addr */
 163:     1, lock,            /*  53 = (2.9) lock in core */
 164:     4, ioctl,           /*  54 = ioctl */
 165:     1, reboot,          /*  55 = reboot */
 166:     2, sigwait,         /*  56 = sigwait */
 167:     2, symlink,         /*  57 = symlink */
 168:     3, readlink,            /*  58 = readlink */
 169:     3, execve,          /*  59 = execve */
 170:     1, umask,           /*  60 = umask */
 171:     1, chroot,          /*  61 = chroot */
 172:     2, fstat,           /*  62 = fstat */
 173:     0, nosys,           /*  63 = reserved */
 174:     0, nosys,           /*  64 = (old getpagesize) */
 175:     6, pselect,         /*  65 = pselect */
 176:     0, vfork,           /*  66 = vfork */
 177:     0, nosys,           /*  67 = unused */
 178:     0, nosys,           /*  68 = unused */
 179:     1, sbrk,            /*  69 = sbrk */
 180:     0, nosys,           /*  70 = unused */
 181:     0, nosys,           /*  71 = unused */
 182:     0, nosys,           /*  72 = unused */
 183:     0, nosys,           /*  73 = unused */
 184:     0, nosys,           /*  74 = unused */
 185:     0, nosys,           /*  75 = unused */
 186:     0, vhangup,         /*  76 = vhangup */
 187:     0, nosys,           /*  77 = unused */
 188:     0, nosys,           /*  78 = unused */
 189:     2, getgroups,           /*  79 = getgroups */
 190:     2, setgroups,           /*  80 = setgroups */
 191:     1, getpgrp,         /*  81 = getpgrp */
 192:     2, setpgrp,         /*  82 = setpgrp */
 193:     3, setitimer,           /*  83 = setitimer */
 194:     0, nosys,           /*  84 = (old wait,wait3) */
 195:     0, nosys,           /*  85 = unused */
 196:     2, getitimer,           /*  86 = getitimer */
 197:     0, nosys,           /*  87 = (old gethostname) */
 198:     0, nosys,           /*  88 = (old sethostname) */
 199:     0, getdtablesize,       /*  89 = getdtablesize */
 200:     2, dup2,            /*  90 = dup2 */
 201:     0, nosys,           /*  91 = unused */
 202:     3, fcntl,           /*  92 = fcntl */
 203:     5, select,          /*  93 = select */
 204:     0, nosys,           /*  94 = unused */
 205:     1, fsync,           /*  95 = fsync */
 206:     3, setpriority,         /*  96 = setpriority */
 207:     errnet(3, socket),      /*  97 = socket */
 208:     ifnet(3, connect),      /*  98 = connect */
 209:     ifnet(3, accept),       /*  99 = accept */
 210:     2, getpriority,         /* 100 = getpriority */
 211:     ifnet(4, send),         /* 101 = send */
 212:     ifnet(4, recv),         /* 102 = recv */
 213:     1, sigreturn,           /* 103 = sigreturn */
 214:     ifnet(3, bind),         /* 104 = bind */
 215:     ifnet(5, setsockopt),       /* 105 = setsockopt */
 216:     ifnet(2, listen),       /* 106 = listen */
 217:     1, sigsuspend,          /* 107 = sigsuspend */
 218:     0, nosys,           /* 108 = (old sigvec) */
 219:     0, nosys,           /* 109 = (old sigblock) */
 220:     0, nosys,           /* 110 = (old sigsetmask) */
 221:     0, nosys,           /* 111 = (old sigpause)  */
 222:     2, sigstack,            /* 112 = sigstack COMPAT-43 */
 223:     ifnet(3, recvmsg),      /* 113 = recvmsg */
 224:     ifnet(3, sendmsg),      /* 114 = sendmsg */
 225:     0, nosys,           /* 115 = unused */
 226:     2, gettimeofday,        /* 116 = gettimeofday */
 227:     2, getrusage,           /* 117 = getrusage */
 228:     ifnet(5, getsockopt),       /* 118 = getsockopt */
 229:     0, nosys,           /* 119 = unused */
 230:     3, readv,           /* 120 = readv */
 231:     3, writev,          /* 121 = writev */
 232:     2, settimeofday,        /* 122 = settimeofday */
 233:     3, fchown,          /* 123 = fchown */
 234:     2, fchmod,          /* 124 = fchmod */
 235:     ifnet(6, recvfrom),     /* 125 = recvfrom */
 236:     0, nosys,           /* 126 = (old setreuid) */
 237:     0, nosys,           /* 127 = (old setregid) */
 238:     2, rename,          /* 128 = rename */
 239:     3, truncate,            /* 129 = truncate */
 240:     3, ftruncate,           /* 130 = ftruncate */
 241:     2, flock,           /* 131 = flock */
 242:     0, nosys,           /* 132 = nosys */
 243:     ifnet(6, sendto),       /* 133 = sendto */
 244:     ifnet(2, shutdown),     /* 134 = shutdown */
 245:     errnet(4, socketpair),      /* 135 = socketpair */
 246:     2, mkdir,           /* 136 = mkdir */
 247:     1, rmdir,           /* 137 = rmdir */
 248:     2, utimes,          /* 138 = utimes */
 249:     0, nosys,           /* 139 = unused */
 250:     2, adjtime,         /* 140 = adjtime */
 251:     ifnet(3, getpeername),      /* 141 = getpeername */
 252:     0, nosys,           /* 142 = (old gethostid) */
 253:     0, nosys,           /* 143 = (old sethostid) */
 254:     2, getrlimit,           /* 144 = getrlimit */
 255:     2, setrlimit,           /* 145 = setrlimit */
 256:     2, killpg,          /* 146 = killpg */
 257:     0, nosys,           /* 147 = nosys */
 258:     2, setquota,            /* 148 = quota */
 259:     4, qquota,          /* 149 = qquota */
 260:     ifnet(3, getsockname),      /* 150 = getsockname */
 261:     /*
 262: 	 * Syscalls 151-180 inclusive are reserved for vendor-specific
 263: 	 * system calls.  (This includes various calls added for compatibity
 264: 	 * with other Unix variants.)
 265: 	 */
 266: 
 267:     /*
 268: 	 * 2BSD special calls
 269: 	 */
 270:     0, nosys,           /* 151 = unused */
 271:     0, nostk,           /* 152 = nostk */
 272:     1, fetchi,          /* 153 = fetchi */
 273:     4, ucall,           /* 154 = ucall */
 274:     0, fperr,           /* 155 = fperr */
 275: };
 276: 
 277: int nsysent = sizeof (sysent) / sizeof (sysent[0]);

Defined variables

Defined macros