diff options
| author | Mike Pall <mike> | 2011-02-28 16:48:13 +0100 |
|---|---|---|
| committer | Mike Pall <mike> | 2011-02-28 16:48:13 +0100 |
| commit | 83a37aeca74724ef76dee7c8246bdbb88132940d (patch) | |
| tree | 9dca0cd0aa13cf911ad26c3655533a72bb6790a9 /src/lj_cdata.c | |
| parent | cead25f928ac606fc1a13882b818913aab3635a9 (diff) | |
| download | luajit2-83a37aeca74724ef76dee7c8246bdbb88132940d.tar.gz | |
FFI: Add ffi.gc() function for finalization of cdata objects.
Diffstat (limited to 'src/lj_cdata.c')
| -rw-r--r-- | src/lj_cdata.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/lj_cdata.c b/src/lj_cdata.c index ae66b4b5..11c84d8e 100644 --- a/src/lj_cdata.c +++ b/src/lj_cdata.c @@ -52,7 +52,18 @@ GCcdata *lj_cdata_newv(CTState *cts, CTypeID id, CTSize sz, CTSize align) /* Free a C data object. */ void LJ_FASTCALL lj_cdata_free(global_State *g, GCcdata *cd) { - if (LJ_LIKELY(!cdataisv(cd))) { + if (LJ_UNLIKELY(cd->marked & LJ_GC_CDATA_FIN)) { + GCobj *root; + cd->marked = curwhite(g) | LJ_GC_FINALIZED; + if ((root = gcref(g->gc.mmudata)) != NULL) { + setgcrefr(cd->nextgc, root->gch.nextgc); + setgcref(root->gch.nextgc, obj2gco(cd)); + setgcref(g->gc.mmudata, obj2gco(cd)); + } else { + setgcref(cd->nextgc, obj2gco(cd)); + setgcref(g->gc.mmudata, obj2gco(cd)); + } + } else if (LJ_LIKELY(!cdataisv(cd))) { CType *ct = ctype_raw(ctype_ctsG(g), cd->typeid); CTSize sz = ctype_hassize(ct->info) ? ct->size : CTSIZE_PTR; lua_assert(ctype_hassize(ct->info) || ctype_isfunc(ct->info) || |