system_ulock() Function

The system_ulock function unlocks the specified file that has been locked by the function system_lock. For more information about locking, see system_flock() Function.

Syntax

int system_ulock(SYS_FILE fd);

Return Values

The constant IO_OKAY if the operation succeeds, or the constant IO_ERROR if the operation fails.

Parameters

SYS_FILE fd is the platform-independent file descriptor.

See Also

system_errmsg() Function, system_fopenRO() Function, system_fopenRW() Function, system_fopenWA() Function, system_fread() Function, system_fwrite() Function, system_fwrite_atomic() Function, system_flock() Function, system_fclose() Function