/*
* Copyright (c) 2012 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Obere Lagerstr. 30
* 82178 Puchheim
* Germany
* <rtems@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/libcsupport.h>
#include <string.h>
#include <rtems/libio_.h>
#include <rtems/malloc.h>
#include <rtems/score/wkspace.h>
#include <rtems/score/protectedheap.h>
#include <rtems/extensionimpl.h>
#include <rtems/rtems/barrierimpl.h>
#include <rtems/rtems/dpmemimpl.h>
#include <rtems/rtems/messageimpl.h>
#include <rtems/rtems/partimpl.h>
#include <rtems/rtems/ratemonimpl.h>
#include <rtems/rtems/semimpl.h>
#include <rtems/rtems/timerimpl.h>
#ifdef RTEMS_POSIX_API
#include <rtems/posix/barrierimpl.h>
#include <rtems/posix/condimpl.h>
#include <rtems/posix/mqueueimpl.h>
#include <rtems/posix/muteximpl.h>
#include <rtems/posix/key.h>
#include <rtems/posix/psignal.h>
#include <rtems/posix/pthreadimpl.h>
#include <rtems/posix/rwlockimpl.h>
#include <rtems/posix/semaphoreimpl.h>
#include <rtems/posix/spinlockimpl.h>
#include <rtems/posix/timerimpl.h>
#endif
static const Objects_Information *objects_info_table[] = {
&_Barrier_Information,
&_Extension_Information,
&_Message_queue_Information,
&_Partition_Information,
&_Rate_monotonic_Information,
&_Dual_ported_memory_Information,
&_Region_Information,
&_Semaphore_Information,
&_RTEMS_tasks_Information,
&_Timer_Information
#ifdef RTEMS_POSIX_API
,
&_POSIX_Barrier_Information,
&_POSIX_Condition_variables_Information,
&_POSIX_Keys_Information,
&_POSIX_Message_queue_Information,
&_POSIX_Message_queue_Information_fds,
&_POSIX_Mutex_Information,
&_POSIX_RWLock_Information,
&_POSIX_Semaphore_Information,
&_POSIX_Spinlock_Information,
&_POSIX_Threads_Information,
&_POSIX_Timer_Information
#endif
};
static int open_files(void)
{
int free_count = 0;
rtems_libio_t *iop;
rtems_libio_lock();
iop = rtems_libio_iop_freelist;
while (iop != NULL) {
++free_count;
iop = iop->data1;
}
rtems_libio_unlock();
return (int) rtems_libio_number_iops - free_count;
}
static void free_all_delayed_blocks(void)
{
#ifdef HEAP_PROTECTION
_RTEMS_Lock_allocator();
_Thread_Disable_dispatch();
_Heap_Protection_free_all_delayed_blocks( RTEMS_Malloc_Heap );
_Heap_Protection_free_all_delayed_blocks( &_Workspace_Area );
_Thread_Enable_dispatch();
_RTEMS_Unlock_allocator();
#endif
}
void rtems_resource_snapshot_take(rtems_resource_snapshot *snapshot)
{
uint32_t *active = &snapshot->rtems_api.active_barriers;
size_t i;
free_all_delayed_blocks();
_Protected_heap_Get_information(RTEMS_Malloc_Heap, &snapshot->heap_info);
_Thread_Disable_dispatch();
_Heap_Get_information(&_Workspace_Area, &snapshot->workspace_info);
for (i = 0; i < RTEMS_ARRAY_SIZE(objects_info_table); ++i) {
active [i] = _Objects_Active_count(objects_info_table[i]);
}
_Thread_Enable_dispatch();
#ifndef RTEMS_POSIX_API
memset(&snapshot->posix_api, 0, sizeof(snapshot->posix_api));
#endif
snapshot->open_files = open_files();
}
bool rtems_resource_snapshot_equal(
const rtems_resource_snapshot *a,
const rtems_resource_snapshot *b
)
{
return memcmp(a, b, sizeof(*a)) == 0;
}
bool rtems_resource_snapshot_check(const rtems_resource_snapshot *snapshot)
{
rtems_resource_snapshot now;
rtems_resource_snapshot_take(&now);
return rtems_resource_snapshot_equal(&now, snapshot);
}