module/zfs/zcp_global.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * This file and its contents are supplied under the terms of the
   5  * Common Development and Distribution License ("CDDL"), version 1.0.
   6  * You may only use this file in accordance with the terms of version
   7  * 1.0 of the CDDL.
   8  *
   9  * A full copy of the text of the CDDL should have accompanied this
  10  * source.  A copy of the CDDL is also available via the Internet at
  11  * http://www.illumos.org/license/CDDL.
  12  *
  13  * CDDL HEADER END
  14  */
  15
  16 /*
  17  * Copyright (c) 2016, 2017 by Delphix. All rights reserved.
  18  */
  19
  20 #include <sys/zcp_global.h>
  21
  22 #include <sys/lua/lua.h>
  23 #include <sys/lua/lauxlib.h>
  24
  25 typedef struct zcp_errno_global {
  26         const char *zeg_name;
  27         int zeg_errno;
  28 } zcp_errno_global_t;
  29
  30 static const zcp_errno_global_t errno_globals[] = {
  31         {"EPERM", EPERM},
  32         {"ENOENT", ENOENT},
  33         {"ESRCH", ESRCH},
  34         {"EINTR", EINTR},
  35         {"EIO", EIO},
  36         {"ENXIO", ENXIO},
  37         {"E2BIG", E2BIG},
  38         {"ENOEXEC", ENOEXEC},
  39         {"EBADF", EBADF},
  40         {"ECHILD", ECHILD},
  41         {"EAGAIN", EAGAIN},
  42         {"ENOMEM", ENOMEM},
  43         {"EACCES", EACCES},
  44         {"EFAULT", EFAULT},
  45         {"ENOTBLK", ENOTBLK},
  46         {"EBUSY", EBUSY},
  47         {"EEXIST", EEXIST},
  48         {"EXDEV", EXDEV},
  49         {"ENODEV", ENODEV},
  50         {"ENOTDIR", ENOTDIR},
  51         {"EISDIR", EISDIR},
  52         {"EINVAL", EINVAL},
  53         {"ENFILE", ENFILE},
  54         {"EMFILE", EMFILE},
  55         {"ENOTTY", ENOTTY},
  56         {"ETXTBSY", ETXTBSY},
  57         {"EFBIG", EFBIG},
  58         {"ENOSPC", ENOSPC},
  59         {"ESPIPE", ESPIPE},
  60         {"EROFS", EROFS},
  61         {"EMLINK", EMLINK},
  62         {"EPIPE", EPIPE},
  63         {"EDOM", EDOM},
  64         {"ERANGE", ERANGE},
  65         {"EDEADLK", EDEADLK},
  66         {"ENOLCK", ENOLCK},
  67         {"ECANCELED", ECANCELED},
  68         {"ENOTSUP", ENOTSUP},
  69         {"EDQUOT", EDQUOT},
  70         {"ENAMETOOLONG", ENAMETOOLONG},
  71         {0, 0}
  72 };
  73
  74 static void
  75 zcp_load_errno_globals(lua_State *state)
  76 {
  77         const zcp_errno_global_t *global = errno_globals;
  78         while (global->zeg_name != NULL) {
  79                 lua_pushnumber(state, (lua_Number)global->zeg_errno);
  80                 lua_setglobal(state, global->zeg_name);
  81                 global++;
  82         }
  83 }
  84
  85 void
  86 zcp_load_globals(lua_State *state)
  87 {
  88         zcp_load_errno_globals(state);
  89 }