libcsupport.h

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/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 *  COPYRIGHT (c) 1989-2011.
 *  On-Line Applications Research Corporation (OAR).
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#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 size_t malloc_free_space(void);
 
extern int malloc_info(Heap_Information_block *the_info);
 
/*
 *  Prototypes required to install newlib reentrancy user extension
 */
 
#ifdef _REENT_THREAD_LOCAL
#define _NEWLIB_CREATE_HOOK NULL
#else
bool newlib_create_hook(
  rtems_tcb *current_task,
  rtems_tcb *creating_task
);
#define _NEWLIB_CREATE_HOOK newlib_create_hook
#endif
 
void newlib_terminate_hook(
  rtems_tcb *current_task
);
 
#define RTEMS_NEWLIB_EXTENSION \
  { \
    _NEWLIB_CREATE_HOOK,  /* thread_create    */ \
    NULL,                 /* thread_start     */ \
    NULL,                 /* thread_restart   */ \
    NULL,                 /* thread_delete    */ \
    NULL,                 /* thread_switch    */ \
    NULL,                 /* thread_begin     */ \
    NULL,                 /* thread_exitted   */ \
    NULL,                 /* 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_message_queues;
  uint32_t active_semaphores;
  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 */