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/**
* Syncronization primitive to be used by the daemon and script in
* order serialize execution. So far it should be just 1:1 rewrite of
* the Python implementation.
*/
#if !defined LOCK_H && defined FWD_ZONES_SUPPORT
#define LOCK_H
#define __LOCK_FILE_DIR "/var/run/dnssec-trigger"
#define __LOCK_FILE_PATH "/var/run/dnssec-trigger/lock"
/** Check lock file presence and acquire the lock. If the file is
* already locked, block until it is released.
* TODO: possible errors
*/
void lock_acquire();
/**
* Release the lock.
* TODO: possible errors
*/
void lock_release();
/**
* Override lock file location. For testing purposes only. The function
* stores the pointer, it does not copy the content, so the content must
* live as long as the lock is used.
*/
void lock_override(const char *path, size_t len);
#endif /* LOCK_H */
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