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extract preloading of multiple keys according to the command prototype to a separate function

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This commit is contained in:
Pieter Noordhuis 2010-05-07 12:45:27 +02:00
parent f3b52411db
commit 6f07874621
1 changed files with 14 additions and 7 deletions
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21
redis.c
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@ -9548,6 +9548,19 @@ static int waitForSwappedKey(redisClient *c, robj *key) {
return 1;
}
/* Preload keys for any command with first, last and step values for
* the command keys prototype, as defined in the command table. */
static void waitForMultipleSwappedKeys(redisClient *c, struct redisCommand *cmd, int argc, robj **argv) {
int j, last;
if (cmd->vm_firstkey == 0) return;
last = cmd->vm_lastkey;
if (last < 0) last = argc+last;
for (j = cmd->vm_firstkey; j <= last; j += cmd->vm_keystep) {
redisAssert(j < argc);
waitForSwappedKey(c,argv[j]);
}
}
/* Preload keys needed for the ZUNION and ZINTER commands. */
static void zunionInterBlockClientOnSwappedKeys(redisClient *c) {
int i, num;
@ -9568,16 +9581,10 @@ static void zunionInterBlockClientOnSwappedKeys(redisClient *c) {
* Return 1 if the client is marked as blocked, 0 if the client can
* continue as the keys it is going to access appear to be in memory. */
static int blockClientOnSwappedKeys(struct redisCommand *cmd, redisClient *c) {
int j, last;
if (cmd->vm_preload_proc != NULL) {
cmd->vm_preload_proc(c);
} else {
if (cmd->vm_firstkey == 0) return 0;
last = cmd->vm_lastkey;
if (last < 0) last = c->argc+last;
for (j = cmd->vm_firstkey; j <= last; j += cmd->vm_keystep)
waitForSwappedKey(c,c->argv[j]);
waitForMultipleSwappedKeys(c,cmd,c->argc,c->argv);
}
/* If the client was blocked for at least one key, mark it as blocked. */