libcsupport.h

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/*
 *  COPYRIGHT (c) 1989-2011.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.org/license/LICENSE.
 */

#ifndef _RTEMS_RTEMS_LIBCSUPPORT_H
#define _RTEMS_RTEMS_LIBCSUPPORT_H

#include <sys/types.h>
#include <stdint.h>

#include <rtems/score/heap.h>
#include <rtems/rtems/tasks.h>

#ifdef __cplusplus
extern "C" {
#endif

extern void malloc_dump(void);

extern bool malloc_walk(int source, bool printf_enabled);

void malloc_set_heap_pointer(Heap_Control *new_heap);

Heap_Control *malloc_get_heap_pointer( void );
extern void libc_init(void);
extern int  host_errno(void);
extern void fix_syscall_errno(void);

extern size_t malloc_free_space(void);

extern int malloc_info(Heap_Information_block *the_info);

/*
 *  Prototypes required to install newlib reentrancy user extension
 */
bool newlib_create_hook(
  rtems_tcb *current_task,
  rtems_tcb *creating_task
);

#define __RTEMS_NEWLIB_BEGIN 0

void newlib_terminate_hook(
  rtems_tcb *current_task
);

#define RTEMS_NEWLIB_EXTENSION \
{ \
  newlib_create_hook,     /* rtems_task_create  */ \
  0,                      /* rtems_task_start   */ \
  0,                      /* rtems_task_restart */ \
  0,                      /* rtems_task_delete  */ \
  0,                      /* task_switch  */ \
  __RTEMS_NEWLIB_BEGIN,   /* task_begin   */ \
  0,                      /* task_exitted */ \
  0,                      /* fatal        */ \
  newlib_terminate_hook   /* thread terminate */ \
}

typedef struct {
  uint32_t active_barriers;
  uint32_t active_extensions;
  uint32_t active_message_queues;
  uint32_t active_partitions;
  uint32_t active_periods;
  uint32_t active_ports;
  uint32_t active_regions;
  uint32_t active_semaphores;
  uint32_t active_tasks;
  uint32_t active_timers;
} rtems_resource_rtems_api;

typedef struct {
  uint32_t active_barriers;
  uint32_t active_condition_variables;
  uint32_t active_message_queues;
  uint32_t active_message_queue_descriptors;
  uint32_t active_mutexes;
  uint32_t active_rwlocks;
  uint32_t active_semaphores;
  uint32_t active_spinlocks;
  uint32_t active_threads;
  uint32_t active_timers;
} rtems_resource_posix_api;

typedef struct {
  Heap_Information_block workspace_info;
  Heap_Information_block heap_info;
  uint32_t active_posix_key_value_pairs;
  uint32_t active_posix_keys;
  rtems_resource_rtems_api rtems_api;
  rtems_resource_posix_api posix_api;
  int open_files;
} rtems_resource_snapshot;

void rtems_resource_snapshot_take(rtems_resource_snapshot *snapshot);

bool rtems_resource_snapshot_equal(
  const rtems_resource_snapshot *a,
  const rtems_resource_snapshot *b
);

bool rtems_resource_snapshot_check(const rtems_resource_snapshot *snapshot);

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */