PostgreSQL Source Code: src/backend/storage/freespace/fsmpage.c Source File (original) (raw)
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29#define leftchild(x) (2 * (x) + 1)
30#define rightchild(x) (2 * (x) + 2)
31#define parentof(x) (((x) - 1) / 2)
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36static int
38{
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43 x++;
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54 return x;
55}
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62bool
64{
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75 return false;
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83 do
84 {
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100 break;
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103 } while (nodeno > 0);
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112 return true;
113}
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157int
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164 int target;
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167restart:
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174 return -1;
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183 target = 0;
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229 {
231 break;
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238 }
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246 {
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253 continue;
254 }
255 childnodeno++;
258 {
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261 else
262 {
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276 elog(DEBUG1, "fixing corrupt FSM block %u, relation %u/%u/%u",
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281 {
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288 goto restart;
289 }
290 }
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305 return slot;
306}
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312bool
314{
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324 {
325 if (*ptr != 0)
327 *ptr = 0;
328 }
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335}
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341bool
343{
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353 {
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367 {
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371 }
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374}
void BufferGetTag(Buffer buffer, RelFileLocator *rlocator, ForkNumber *forknum, BlockNumber *blknum)
void MarkBufferDirtyHint(Buffer buffer, bool buffer_std)
static Page BufferGetPage(Buffer buffer)
static void LockBuffer(Buffer buffer, BufferLockMode mode)
static char * PageGetContents(Page page)
#define Assert(condition)
#define NonLeafNodesPerPage
static int rightneighbor(int x)
uint8 fsm_get_avail(Page page, int slot)
bool fsm_rebuild_page(Page page)
uint8 fsm_get_max_avail(Page page)
bool fsm_set_avail(Page page, int slot, uint8 value)
bool fsm_truncate_avail(Page page, int nslots)
int fsm_search_avail(Buffer buf, uint8 minvalue, bool advancenext, bool exclusive_lock_held)
static char buf[DEFAULT_XLOG_SEG_SIZE]
uint8 fp_nodes[FLEXIBLE_ARRAY_MEMBER]