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Clarify comment in change fixing #4323.

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antirez 2017-09-21 12:35:04 +02:00
parent fa2c0582cf
commit 474adba9fa
1 changed files with 6 additions and 2 deletions
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8
src/slowlog.c
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@ -75,8 +75,12 @@ slowlogEntry *slowlogCreateEntry(client *c, robj **argv, int argc, long long dur
} else if (argv[j]->refcount == OBJ_SHARED_REFCOUNT) { } else if (argv[j]->refcount == OBJ_SHARED_REFCOUNT) {
se->argv[j] = argv[j]; se->argv[j] = argv[j];
} else { } else {
/* Duplicate a string object, /* Here we need to dupliacate the string objects composing the
* avoid memory leak for lazyfree. */ * argument vector of the command, because those may otherwise
* end shared with string objects stored into keys. Having
* shared objects between any part of Redis, and the data
* structure holding the data, is a problem: FLUSHALL ASYNC
* may release the shared string object and create a race. */
se->argv[j] = dupStringObject(argv[j]); se->argv[j] = dupStringObject(argv[j]);
} }
} }