forked from Imagelibrary/rtems
144 lines
4.2 KiB
C
144 lines
4.2 KiB
C
/*
|
|
* RTEMS Monitor semaphore support
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif
|
|
|
|
#include <rtems.h>
|
|
#include "monitor.h"
|
|
#include <rtems/rtems/semimpl.h>
|
|
#include <stdio.h>
|
|
#include <string.h> /* memcpy() */
|
|
|
|
void
|
|
rtems_monitor_sema_canonical(
|
|
rtems_monitor_sema_t *canonical_sema,
|
|
const void *sema_void
|
|
)
|
|
{
|
|
const Semaphore_Control *rtems_sema = (const Semaphore_Control *) sema_void;
|
|
Thread_Control *owner;
|
|
|
|
canonical_sema->attribute = 0;
|
|
canonical_sema->priority_ceiling = 0;
|
|
canonical_sema->max_count = 0;
|
|
canonical_sema->cur_count = 0;
|
|
canonical_sema->holder_id = 0;
|
|
|
|
#if defined(RTEMS_MULTIPROCESSING)
|
|
if (rtems_sema->is_global) {
|
|
canonical_sema->attribute |= RTEMS_GLOBAL;
|
|
}
|
|
#endif
|
|
|
|
if (rtems_sema->discipline == SEMAPHORE_DISCIPLINE_PRIORITY) {
|
|
canonical_sema->attribute |= RTEMS_PRIORITY;
|
|
}
|
|
|
|
switch ( rtems_sema->variant ) {
|
|
case SEMAPHORE_VARIANT_MUTEX_INHERIT_PRIORITY:
|
|
canonical_sema->attribute |= RTEMS_BINARY_SEMAPHORE
|
|
| RTEMS_INHERIT_PRIORITY;
|
|
break;
|
|
case SEMAPHORE_VARIANT_MUTEX_PRIORITY_CEILING:
|
|
canonical_sema->attribute |= RTEMS_BINARY_SEMAPHORE
|
|
| RTEMS_PRIORITY_CEILING;
|
|
break;
|
|
case SEMAPHORE_VARIANT_MUTEX_NO_PROTOCOL:
|
|
canonical_sema->attribute |= RTEMS_BINARY_SEMAPHORE;
|
|
break;
|
|
#if defined(RTEMS_SMP)
|
|
case SEMAPHORE_VARIANT_MRSP:
|
|
canonical_sema->attribute |= RTEMS_BINARY_SEMAPHORE
|
|
| RTEMS_MULTIPROCESSOR_RESOURCE_SHARING;
|
|
break;
|
|
#endif
|
|
case SEMAPHORE_VARIANT_SIMPLE_BINARY:
|
|
canonical_sema->attribute |= RTEMS_SIMPLE_BINARY_SEMAPHORE;
|
|
break;
|
|
case SEMAPHORE_VARIANT_COUNTING:
|
|
canonical_sema->attribute |= RTEMS_COUNTING_SEMAPHORE;
|
|
break;
|
|
}
|
|
|
|
switch ( rtems_sema->variant ) {
|
|
case SEMAPHORE_VARIANT_MUTEX_PRIORITY_CEILING:
|
|
canonical_sema->priority_ceiling = _Scheduler_Unmap_priority(
|
|
_CORE_ceiling_mutex_Get_scheduler( &rtems_sema->Core_control.Mutex ),
|
|
_CORE_ceiling_mutex_Get_priority( &rtems_sema->Core_control.Mutex )
|
|
);
|
|
/* Fall through */
|
|
case SEMAPHORE_VARIANT_MUTEX_INHERIT_PRIORITY:
|
|
case SEMAPHORE_VARIANT_MUTEX_NO_PROTOCOL:
|
|
owner = _CORE_mutex_Get_owner(
|
|
&rtems_sema->Core_control.Mutex.Recursive.Mutex
|
|
);
|
|
|
|
if (owner != NULL) {
|
|
canonical_sema->holder_id = owner->Object.id;
|
|
canonical_sema->cur_count = 0;
|
|
} else {
|
|
canonical_sema->cur_count = 1;
|
|
}
|
|
|
|
canonical_sema->max_count = 1;
|
|
break;
|
|
#if defined(RTEMS_SMP)
|
|
case SEMAPHORE_VARIANT_MRSP:
|
|
canonical_sema->cur_count =
|
|
_MRSP_Get_owner( &rtems_sema->Core_control.MRSP ) == NULL;
|
|
canonical_sema->max_count = 1;
|
|
break;
|
|
#endif
|
|
case SEMAPHORE_VARIANT_SIMPLE_BINARY:
|
|
canonical_sema->cur_count = rtems_sema->Core_control.Semaphore.count;
|
|
canonical_sema->max_count = 1;
|
|
break;
|
|
case SEMAPHORE_VARIANT_COUNTING:
|
|
canonical_sema->cur_count = rtems_sema->Core_control.Semaphore.count;
|
|
canonical_sema->max_count = UINT32_MAX;
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
void
|
|
rtems_monitor_sema_dump_header(
|
|
bool verbose RTEMS_UNUSED
|
|
)
|
|
{
|
|
printf("\
|
|
ID NAME ATTR PRICEIL CURR_CNT HOLDID \n");
|
|
/*23456789 123456789 123456789 123456789 123456789 123456789 123456789 1234
|
|
1 2 3 4 5 6 7 */
|
|
|
|
rtems_monitor_separator();
|
|
}
|
|
|
|
/*
|
|
*/
|
|
|
|
void
|
|
rtems_monitor_sema_dump(
|
|
rtems_monitor_sema_t *monitor_sema,
|
|
bool verbose RTEMS_UNUSED
|
|
)
|
|
{
|
|
int length = 0;
|
|
|
|
length += rtems_monitor_dump_id(monitor_sema->id);
|
|
length += rtems_monitor_pad(11, length);
|
|
length += rtems_monitor_dump_name(monitor_sema->id);
|
|
length += rtems_monitor_pad(18, length);
|
|
length += rtems_monitor_dump_attributes(monitor_sema->attribute);
|
|
length += rtems_monitor_pad(30, length);
|
|
length += rtems_monitor_dump_priority(monitor_sema->priority_ceiling);
|
|
length += rtems_monitor_pad(38, length);
|
|
length += rtems_monitor_dump_decimal(monitor_sema->cur_count);
|
|
length += rtems_monitor_pad(47, length);
|
|
length += rtems_monitor_dump_id(monitor_sema->holder_id);
|
|
printf("\n");
|
|
}
|