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tsdb/read: reseek with try lock mutex

This commit is contained in:
Minglei Jin 2023-01-10 10:38:44 +08:00
parent f0e9656b62
commit d69ec98723
1 changed files with 13 additions and 8 deletions
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21
source/dnode/vnode/src/tsdb/tsdbRead.c
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@ -4068,18 +4068,23 @@ static int32_t tsdbSetQueryReseek(void* pQHandle) {
int32_t code = 0; int32_t code = 0;
STsdbReader* pReader = pQHandle; STsdbReader* pReader = pQHandle;
taosThreadMutexLock(&pReader->readerMutex); code = taosThreadMutexTryLock(&pReader->readerMutex);
if (code == 0) {
if (pReader->suspended) {
taosThreadMutexUnlock(&pReader->readerMutex);
return code;
}
tsdbReaderSuspend(pReader);
if (pReader->suspended) {
taosThreadMutexUnlock(&pReader->readerMutex); taosThreadMutexUnlock(&pReader->readerMutex);
return code; return code;
} else if (code == EBUSY) {
return TSDB_CODE_VND_QUERY_BUSY;
} else {
return -1;
} }
tsdbReaderSuspend(pReader);
taosThreadMutexUnlock(&pReader->readerMutex);
return code;
} }
int32_t tsdbReaderResume(STsdbReader* pReader) { int32_t tsdbReaderResume(STsdbReader* pReader) {