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ref_mpf Reference fixed-size memory pool status
iref_mpf Reference fixed-size memory pool status
(handler only)
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ER ercd = ref_mpf( ID mpfid, T_RMPF *pk_rmpf );
ER ercd = iref_mpf( ID mpfid, T_RMPF *pk_rmpf );
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ID mpfid Task ID waiting for memory block to be acquired
T_RMPF *pk_rmpf Pointer to the packet to which fixed-size memory pool status is returned
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ER ercd Terminated normally (E_OK)
T_RMPF *pk_rmpf Pointer to the packet to which fixed-size memory pool status is returned
Contents of pk_rmpf
typedef struct t_rmpf{
ID wtskid +0 2 Task ID waiting for memory block to be acquired
UINT fblkcnt +2 4 Number of free memory blocks
} T_RMPF;
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.include mr100.inc
ref_mpf MPFID,PK_RMPF
iref_mpf MPFID,PK_RMPF
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MPFID Task ID waiting for memory block to be acquired
PK_RMPF Pointer to the packet to which fixed-size memory pool status is returned
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Register name Content after service call is issued
R0 Error code
R2 Task ID waiting for memory block to be acquired
A1 Pointer to the packet to which fixed-size memory pool status is returned
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This service call returns various statuses of the message buffer indicated by mpfid.
wtskid
Returned to wtskid is the ID number of the task at the top of a memory block waiting queue (the first queued
task). If no tasks are kept waiting, TSK_NONE is returned.
fblkcnt
The number of free memory blocks in the specified memory pool is returned.
If this service call is to be issued from task context, use rel_mpf; if issued from non-task context, use irel_mpf.