opnsense-src/sys/contrib/openzfs/module/lua/ltm.c
Martin Matuska c03c5b1c80 zfs: merge openzfs/zfs@a86e08941 (master) into main
Notable upstream pull request merges:
  #9078:  log xattr=sa create/remove/update to ZIL
  #11919: Cross-platform xattr user namespace compatibility
  #13014: Report dnodes with faulty bonuslen
  #13016: FreeBSD: Fix zvol_cdev_open locking
  #13019: spl: Don't check FreeBSD rwlocks for double initialization
  #13027: Fix clearing set-uid and set-gid bits on a file when
          replying a write
  #13031: Add enumerated vdev names to 'zpool iostat -v' and
          'zpool list -v'
  #13074: Enable encrypted raw sending to pools with greater ashift
  #13076: Receive checks should allow unencrypted child datasets
  #13098: Avoid dirtying the final TXGs when exporting a pool
  #13172: Fix ENOSPC when unlinking multiple files from full pool

Obtained from:	OpenZFS
OpenZFS commit:	a86e089415
2022-03-08 18:53:02 +01:00

74 lines
1.7 KiB
C

/*
** $Id: ltm.c,v 2.14.1.1 2013/04/12 18:48:47 roberto Exp $
** Tag methods
** See Copyright Notice in lua.h
*/
#define ltm_c
#define LUA_CORE
#include <sys/lua/lua.h>
#include "lobject.h"
#include "lstate.h"
#include "lstring.h"
#include "ltable.h"
#include "ltm.h"
static const char udatatypename[] = "userdata";
LUAI_DDEF const char *const luaT_typenames_[LUA_TOTALTAGS] = {
"no value",
"nil", "boolean", udatatypename, "number",
"string", "table", "function", udatatypename, "thread",
"proto", "upval" /* these last two cases are used for tests only */
};
void luaT_init (lua_State *L) {
static const char *const luaT_eventname[] = { /* ORDER TM */
"__index", "__newindex",
"__gc", "__mode", "__len", "__eq",
"__add", "__sub", "__mul", "__div", "__mod",
"__pow", "__unm", "__lt", "__le",
"__concat", "__call"
};
int i;
for (i=0; i<TM_N; i++) {
G(L)->tmname[i] = luaS_new(L, luaT_eventname[i]);
luaS_fix(G(L)->tmname[i]); /* never collect these names */
}
}
/*
** function to be used with macro "fasttm": optimized for absence of
** tag methods
*/
const TValue *luaT_gettm (Table *events, TMS event, TString *ename) {
const TValue *tm = luaH_getstr(events, ename);
lua_assert(event <= TM_EQ);
if (ttisnil(tm)) { /* no tag method? */
events->flags |= cast_byte(1u<<event); /* cache this fact */
return NULL;
}
else return tm;
}
const TValue *luaT_gettmbyobj (lua_State *L, const TValue *o, TMS event) {
Table *mt;
switch (ttypenv(o)) {
case LUA_TTABLE:
mt = hvalue(o)->metatable;
break;
case LUA_TUSERDATA:
mt = uvalue(o)->metatable;
break;
default:
mt = G(L)->mt[ttypenv(o)];
}
return (mt ? luaH_getstr(mt, G(L)->tmname[event]) : luaO_nilobject);
}