Returns the message describing the last system error in errno.

Parses the environment variable var as an Int32. If it is unset, returns default_val. If it is not an Int32, prints an error and aborts.

If the object decrement time is reached decrement the LFU counter but * do not update LFU fields of the object, we update the access time * and coun

Return the current time in minutes, just taking the least significant * 16 bits. The returned time is suitable to be stored as LDT (last decrement *

Insert 'new_node' after 'old_node' if 'after' is 1. * Insert 'new_node' before 'old_node' if 'after' is 0. * Note: 'new_node' is *always* uncompress

Defrag helper for robj and/or string objects * * returns NULL in case the allocation wasn't moved. * when it returns a non-null value, the old poin

Helper function for the activeExpireCycle() function. * This function will try to expire the key that is stored in the hash table * entry 'de' of th

Add a long double as a bulk reply, but uses a human readable formatting * of the double instead of exposing the crude behavior of doubles to the * d

Add a long long as integer reply or bulk len / multi bulk count. * Basically this is used to output <prefix><long long><crlf>. */

Wait for milliseconds until the given file descriptor becomes * writable/readable/exception */

Return the current size of the AOF rewrite buffer. */

Set a client in blocking mode for the specified key (list, zset or stream), * with the specified timeout. The 'type' argument is BLOCKED_LIST, * BLO

Call() is the core of Redis execution of a command. * * The following flags can be passed: * CMD_CALL_NONE No flags. * CMD_CALL_SLOWLOG

Change the current instance replication ID with a new, random one. * This will prevent successful PSYNCs between this master and other * slaves, so

Clear (invalidate) the secondary replication ID. This happens, for * example, after a full resynchronization, when we start a new replication * hist

Wrapper around redisSecureConnection to avoid hiredis_ssl dependencies if * not building with TLS support. */

Asynchronously close a client if soft or hard limit is reached on the * output buffer size. The caller can check if the client will be closed * chec

Return the node with the specified name (ID) or NULL. */

Reconfigure the specified node 'n' as a master. This function is called when * a node that we believed to be a slave is now acting as master in order

Wrapper for compareStringObjectsWithFlags() using binary comparison. */

Return CONN_TYPE_* for the specified connection */

Overwrite an existing key with a new value. Incrementing the reference * count of the new value is up to the caller. * This function does not modify

defrag radix tree including: * 1) rax struct * 2) rax nodes * 3) rax entry data (only if defrag_data is specified) * 4) call a callback per elemen

Rehash in ms+"delta" milliseconds. The value of "delta" is larger * than 0, and is smaller than 1 in most cases. The exact upper bound * depends o

This function is all about minimizing the amount of work done under global lock when there has been lots of changes since snapshot creation a naive en

Given an object returns the min number of milliseconds the object was never * requested, using an approximated LRU algorithm. */

This function is called when we are going to perform some operation * in a given key, but such key may be already logically expired even if * it sti

High level Set operation. This function can be used in order to set * a key, whatever it was existing or not, to a new object. * * 1) The ref count

generates a random number on [0, 2^64-1]-interval */

This function returns the number of bytes that Redis is * using to store the reply still not read by the client. * * Note: this function is very fa

Search an instance with the same runid, ip and port into a dictionary * of instances. Return NULL if not found, otherwise return the instance * poin