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more TDB

This commit is contained in:
Hongze Cheng 2022-03-04 07:14:35 +00:00
parent d8ac17f50f
commit 139b9b7323
1 changed files with 13 additions and 2 deletions
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15
source/libs/tdb/src/db/tdbPager.c
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@ -330,6 +330,7 @@ static int tdbPagerAllocPage(SPager *pPager, SPgno *ppgno) {
static int tdbPagerInitPage(SPager *pPager, SPage *pPage, int (*initPage)(SPage *, void *), void *arg) {
int ret;
int nLoops;
ret = TDB_TRY_LOCK_PAGE(pPage);
if (ret == 0) {
@ -348,8 +349,18 @@ static int tdbPagerInitPage(SPager *pPager, SPage *pPage, int (*initPage)(SPage
TDB_UNLOCK_PAGE(pPage);
} else {
while (!TDB_PAGE_INITIALIZED(pPage))
;
// TODO: Here, we still use the pthread API here
if (errno != EBUSY) return -1;
nLoops = 0;
for (;;) {
if (TDB_PAGE_INITIALIZED(pPage)) break;
nLoops++;
if (nLoops > 1000) {
sched_yield();
nLoops = 0;
}
}
}
return 0;