/**** Reference-counted strings. ****/
-void bluesky_mmap_unref(BlueSkyMmap *mmap)
-{
- if (mmap == NULL)
- return;
-
- if (g_atomic_int_dec_and_test(&mmap->refcount)) {
- munmap((void *)mmap->addr, mmap->len);
- g_free(mmap);
- }
-}
-
/* Create and return a new reference-counted string. The reference count is
* initially one. The newly-returned string takes ownership of the memory
* pointed at by data, and will call g_free on it when the reference count
}
/* Create a new BlueSkyRCStr from a memory-mapped buffer. */
-BlueSkyRCStr *bluesky_string_new_from_mmap(BlueSkyMmap *mmap,
+BlueSkyRCStr *bluesky_string_new_from_mmap(BlueSkyCacheFile *mmap,
int offset, gsize len)
{
- g_assert(offset + len < mmap->len);
+ g_assert(offset + len <= mmap->len);
BlueSkyRCStr *string = g_new(BlueSkyRCStr, 1);
string->mmap = mmap;
- g_atomic_int_inc(&mmap->refcount);
+ g_atomic_int_inc(&mmap->mapcount);
string->data = (char *)mmap->addr + offset;
string->len = len;
g_atomic_int_set(&string->refcount, 1);