Guardian Procedure Calls Reference Manual (G06.25+)

Guardian Procedure Calls (A-B)

Guardian Procedure Calls Reference Manual—522629-013

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BINSEM_FORCELOCK_ Procedure

Summary

Syntax for C Programmers

Parameters

Considerations

Example

Related Programming Manuals

Summary

The BINSEM_FORCELOCK_ procedure forces a lock on a binary semaphore. This

procedure is used when it is not possible to lock a binary semaphore with the

BINSEM_LOCK_ procedure.

Syntax for C Programmers

•

Syntax for TAL Programmers

Parameters

status returned value

INT

indicates the outcome of the call:

0 No error.

22 Bounds error. The

processhandle parameter cannot be written to by

the calling process.

4022 Invalid parameter. The

semid parameter does not identify a binary

semaphore that is opened by the calling process. The corresponding

errno value is EINVAL.

#include <cextdecs(BINSEM_FORCELOCK_)>

short BINSEM_FORCELOCK_ ( __int32_t semid

,short *processhandle );

status := BINSEM_FORCELOCK_ ( semid !

,processhandle ); !