SysSemProcessEnter
(FUN)
FUNCTION SysSemProcessEnter : RTS_IEC_RESULT
<description>Enter the given semaphore.</description> <result><p>RESULT: Returns the runtime system error code (see CmpErrors.library):
<ul> <li>ERR_OK</li> <li>ERR_TIMEOUT: if timeout expires before enter the semaphore</li> <ul>
</p></result>
- InOut:
Scope
Name
Type
Comment
Return
SysSemProcessEnter
RTS_IEC_RESULT
Input
hSem
RTS_IEC_HANDLE
<param name=”hSem” type=”IN”>Handle to the semaphore</param>
ulTimeout
UDINT
<param name=”ulTimeoutMs” type=”IN”>Timeout in milliseconds to wait to enter the semaphore or 16#FFFFFFFF for an infinite wait.</param>