CBL_THREAD_PROG_LOCK

Syntax:

call "CBL_THREAD_PROG_LOCK"

Parameters:

None.

On Exit:

return-code A value indicating success or otherwise. See RETURN-CODE Values For Thread-control Routines

Comments:

This function, in conjunction with CBL_THREAD_PROG_UNLOCK, provides a single pre-initialized synchronization object per calling COBOL program. This makes it especially useful for initializing any program local data items or synchronization objects.

Example:

Example

These functions must be called either directly or indirectly from a COBOL program. The calling COBOL program is the one with which the lock is associated.