OSI/AS Programming Manual

Example 2: Presentation Layer and ACSE
Sample Programs
056783 Tandem Computers Incorporated E–83
#pragma PAGE
/*--------------------------------------------------------*/
/* */
/* Wait for APS completion by first checking that the */
/* initial status was ok and then by calling */
/* MFM_AWAITIOX_. */
/* */
/*--------------------------------------------------------*/
void wait_for_aps_completion( error_proc )
int error_proc; /* i : aps proc label */
{
int filenum;
if ( status != ZAPS_VAL_STATUS_OK )
display_aps_status( error_proc );
else
{
/* */
/* The initial status was OK, so we'll wait here. */
/* Note that on completion, the tag will be set to */
/* what it was when we called the corresponding APS */
/* procedure. This example doesn't take advantage */
/* of this fact. */
/* Real applications might set the tag to the */
/* address of a control block for remapping */
/* at completion time. */
/* */
filenum = -1; /* wait for any completion */
MFM_AWAITIOX_( &status
,&filenum
, /* buffer-addr */
, /* count-transferred */
,&tag
, timelimit
, /* segment-id */
);
if ( filenum != cepi )
DEBUG(); /* shouldn't happen for this example */
}; /* else... */
} /* proc wait_for_aps_completion */
#pragma PAGE
/*--------------------------------------------------------*/
/* */
/* wait for an event and make certain that it is the one */
/* that is expected. */
/* */
/*--------------------------------------------------------*/
void wait_for_event( expected_event_code )
int expected_event_code; /* i : expected evnt */
{
tag = error_event_proc;