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Merge pull request #6991 from soloestoy/io-threads-bugfix

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Threaded IO: bugfix client kill may crash redis
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Salvatore Sanfilippo 2020-03-16 10:53:54 +01:00 committed by GitHub
commit 15338ab694
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1 changed files with 11 additions and 5 deletions
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16
src/networking.c
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@ -3040,16 +3040,22 @@ int handleClientsWithPendingReadsUsingThreads(void) {
if (tio_debug) printf("I/O READ All threads finshed\n");
/* Run the list of clients again to process the new buffers. */
listRewind(server.clients_pending_read,&li);
while((ln = listNext(&li))) {
while(listLength(server.clients_pending_read)) {
ln = listFirst(server.clients_pending_read);
client *c = listNodeValue(ln);
c->flags &= ~CLIENT_PENDING_READ;
listDelNode(server.clients_pending_read,ln);
if (c->flags & CLIENT_PENDING_COMMAND) {
c->flags &= ~ CLIENT_PENDING_COMMAND;
processCommandAndResetClient(c);
c->flags &= ~CLIENT_PENDING_COMMAND;
if (processCommandAndResetClient(c) == C_ERR) {
/* If the client is no longer valid, we avoid
* processing the client later. So we just go
* to the next. */
continue;
}
}
processInputBufferAndReplicate(c);
}
listEmpty(server.clients_pending_read);
return processed;
}