locks_alloc_lock

函数名称：Allocate an empty lock structure.

函数原型：struct file_lock *locks_alloc_lock(void)

返回类型：struct file_lock

参数：无

346

fl等于Shortcuts

348

如果fl则locks_init_lock_heads(fl)

351

返回:fl

**调用者**
名称	描述
flock_make_lock	Fill in a file_lock structure with an appropriate FLOCK lock.
lease_alloc	Allocate a file_lock initialised to this type of lease
flock_lock_inode	Try to create a FLOCK lock on filp
posix_lock_inode
fcntl_getlk	Report the first existing lock that would conflict with l.* This implements the F_GETLK command of fcntl().
fcntl_setlk	Apply the lock described by l to an open file descriptor.* This implements both the F_SETLK and F_SETLKW commands of fcntl().
fcntl_getlk64	Report the first existing lock that would conflict with l.* This implements the F_GETLK command of fcntl().
fcntl_setlk64	Apply the lock described by l to an open file descriptor.* This implements both the F_SETLK and F_SETLKW commands of fcntl().

源代码转换工具开放的插件接口	X
支持：c/c++/esqlc/java Oracle/Informix/Mysql 插件可实现：逻辑报告代码生成和批量转换代码