RTEMS  5.0.0
Modules | Files | Data Structures | Macros | Functions
Standard C Library Support

RTEMS Specific Support for the Standard C Library. More...

Modules

 Error And Panic Support
 Defines and externs for rtems error reporting.
 
 Gxx Wrappers Support
 RTEMS Threads Compatibility Routines for Libgcc2.
 
 Malloc Support
 RTEMS extensions to the Malloc Family.
 
 RTEMS Termios Device Support
 RTEMS Termios Device Support Internal Data Structures.
 

Files

file  __assert.c
 Evaluate Assertion.
 
file  __getpid.c
 Get Process Id.
 
file  __gettod.c
 Get the Date and Time.
 
file  __times.c
 Get Process Times.
 
file  _calloc_r.c
 Allocate Space for Array in Memory.
 
file  _free_r.c
 Allocate and Free Dynamic Memory.
 
file  _realloc_r.c
 _realloc_r Implementation
 
file  _rename_r.c
 Rename a File.
 
file  access.c
 access() - POSIX 1003.1b 5.6.3 - File Accessibility
 
file  calloc.c
 Allocate Space for Array in Memory.
 
file  chmod.c
 Change File Modes.
 
file  chown.c
 Change Owner and Group of a File.
 
file  chroot.c
 Change Root Directory.
 
file  close.c
 POSIX 1003.1b 6.3.1 - Close a File.
 
file  ctermid.c
 Generate Terminal Pathname.
 
file  dup.c
 POSIX 1003.1b 6.2.1 Duplicate an Open File Descriptor.
 
file  dup2.c
 Duplicate an Open File Descriptor.
 
file  fchdir.c
 Change Directory.
 
file  fchmod.c
 Change File Modes.
 
file  fchown.c
 Change Owner and Group of a File.
 
file  fcntl.c
 POSIX 1003.1b 6.5.2 - File Control.
 
file  fdatasync.c
 POSIX 1003.1b 6.6.2 - Synchronize the Data of a File.
 
file  fpathconf.c
 Configurable Pathname Varables.
 
file  free.c
 calloc()
 
file  fsync.c
 Synchronize the State of a File.
 
file  ftruncate.c
 Truncate a File to the Specified Length.
 
file  funlockfile.c
 Unlock File for Stdio.
 
file  getchark.c
 Get Character from Stdin.
 
file  getdents.c
 Get Directory Entries.
 
file  getegid.c
 Get Real User, Effective User, Ral Group, and Effective Group IDs.
 
file  geteuid.c
 Get Real User, Effective User, Ral Group, and Effective Group IDs.
 
file  getgid.c
 Get Real User, Effective User, Ral Group, and Effective Group IDs.
 
file  getgrent.c
 User Database Access Routines.
 
file  getgrnam.c
 User Database Access Routines.
 
file  getgroups.c
 Get Supplementary IDs.
 
file  getlogin.c
 Get User Name.
 
file  getpagesize.c
 Get System Page Size.
 
file  getpid.c
 Process and Parent Process IDs.
 
file  getppid.c
 Get Process and Parent Process IDs.
 
file  getpwent.c
 User Database Access Routines.
 
file  getuid.c
 Get Real User, Effective User, Ral Group, and Effective Group IDs.
 
file  ioctl.c
 ioctl() system call
 
file  isatty_r.c
 Test for a Terminal Device.
 
file  issetugid.c
 Dummy Version of BSD Routine.
 
file  kill_noposix.c
 Kill No POSIXMarginal implementations of some POSIX API routines to be used when POSIX is disabled.
 
 
file  lstat.c
 Get File Status.
 
file  malloc.c
 RTEMS Malloc Family Implementation.
 
file  malloc_deferred.c
 Malloc Deferred Support.
 
file  malloc_walk.c
 Malloc Walk.
 
file  mallocfreespace.c
 RTEMS Malloc Get Free Information.
 
file  mallocgetheapptr.c
 RTEMS Malloc Get Heap Pointer.
 
file  mallocinfo.c
 RTEMS Malloc Get Status Information.
 
file  mallocsetheapptr.c
 RTEMS Malloc Set Heap Pointer.
 
file  mkdir.c
 Make a Directory.
 
file  mkfifo.c
 Make a FIFO Special File.
 
file  mknod.c
 Create a Special or Ordinary File.
 
file  newlibc_reent.c
 Newlib Support.
 
file  open.c
 Open a File.
 
file  pathconf.c
 Configurable Pathname Varables.
 
file  posix_memalign.c
 
file  print_fprintf.c
 RTEMS Print Support.
 
file  print_printf.c
 RTEMS Print Support.
 
file  printf_plugin.c
 RTEMS Plugin Printf.
 
file  printk.c
 Kernel Printf Function.
 
file  printk_plugin.c
 Plugin Printk.
 
file  putk.c
 Write Character to Stream.
 
file  pwdgrp.c
 User Database Access Routines.
 
file  read.c
 Read From a File.
 
 
file  readv.c
 Read a Vector.
 
file  realloc.c
 Reallocate Memory Block.
 
file  rmdir.c
 Remove a Directory.
 
file  rtems_heap_extend.c
 rtems_heap_extend() implementation.
 
file  rtems_putc.c
 RTEMS Output a Character.
 
file  setegid.c
 Get Real User, Effective User, Ral Group, and Effective Group IDs.
 
file  seteuid.c
 Set Effective User Id.
 
file  setpgid.c
 Set Process Group ID for Job Control.
 
file  setsid.c
 Create Session and Set Process Group ID.
 
file  stat.c
 Get File Status.
 
 
file  sync.c
 Synchronize Data on Disk with Memory.
 
file  tcgetpgrp.c
 Get Foreground Process Group ID.
 
file  tcsetattr.c
 Get and Set State.
 
file  tcsetpgrp.c
 Set Foreground Process Group ID.
 
file  truncate.c
 Truncate a File to the Specified Length.
 
file  umask.c
 Set File Creation Mask.
 
 
file  unmount.c
 Unmount a File System.
 
file  utime.c
 Set File Access and Modification Times.
 
file  utimes.c
 Change File Last Access and Modification Times.
 
file  vprintk.c
 Print Formatted Output.
 
file  write.c
 Write to a File.
 
file  write_r.c
 POSIX 1003.1b 6.4.2 - Write to a File.
 

Data Structures

struct  rtems_resource_rtems_api
 
struct  rtems_resource_posix_api
 
struct  rtems_resource_snapshot
 

Macros

#define RTEMS_NEWLIB_EXTENSION
 

Functions

void malloc_dump (void)
 
bool malloc_walk (int source, bool printf_enabled)
 Malloc walk.
 
void malloc_set_heap_pointer (Heap_Control *new_heap)
 Set malloc heap pointer. More...
 
Heap_Controlmalloc_get_heap_pointer (void)
 Get malloc heap pointer. More...
 
size_t malloc_free_space (void)
 Get free malloc information. More...
 
int malloc_info (Heap_Information_block *the_info)
 Get malloc status information. More...
 
bool newlib_create_hook (rtems_tcb *current_task, rtems_tcb *creating_task)
 
void newlib_terminate_hook (rtems_tcb *current_task)
 
void rtems_resource_snapshot_take (rtems_resource_snapshot *snapshot)
 Tasks a snapshot of the resource usage of the system. More...
 
bool rtems_resource_snapshot_equal (const rtems_resource_snapshot *a, const rtems_resource_snapshot *b)
 Compares two resource snapshots for equality. More...
 
bool rtems_resource_snapshot_check (const rtems_resource_snapshot *snapshot)
 Takes a new resource snapshot and checks that it is equal to the given resource snapshot. More...
 

Detailed Description

RTEMS Specific Support for the Standard C Library.

Macro Definition Documentation

◆ RTEMS_NEWLIB_EXTENSION

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

Function Documentation

◆ malloc_free_space()

size_t malloc_free_space ( void  )

Get free malloc information.

Find amount of free heap remaining

◆ malloc_get_heap_pointer()

Heap_Control* malloc_get_heap_pointer ( void  )

Get malloc heap pointer.

This routine is primarily used for debugging.

◆ malloc_info()

int malloc_info ( Heap_Information_block the_info)

Get malloc status information.

Find amount of free heap remaining.

◆ malloc_set_heap_pointer()

void malloc_set_heap_pointer ( Heap_Control new_heap)

Set malloc heap pointer.

This routine is primarily used for debugging.

◆ rtems_resource_snapshot_check()

bool rtems_resource_snapshot_check ( const rtems_resource_snapshot snapshot)

Takes a new resource snapshot and checks that it is equal to the given resource snapshot.

Parameters
[in]snapshotThe resource snapshot used for comparison with the new resource snapshot.
Return values
trueThe resource snapshots are equal.
falseOtherwise.
See also
rtems_resource_snapshot_take().

◆ rtems_resource_snapshot_equal()

bool rtems_resource_snapshot_equal ( const rtems_resource_snapshot a,
const rtems_resource_snapshot b 
)

Compares two resource snapshots for equality.

Parameters
[in]aOne resource snapshot.
[in]bAnother resource snapshot.
Return values
trueThe resource snapshots are equal.
falseOtherwise.
See also
rtems_resource_snapshot_take().

◆ rtems_resource_snapshot_take()

void rtems_resource_snapshot_take ( rtems_resource_snapshot snapshot)

Tasks a snapshot of the resource usage of the system.

Parameters
[out]snapshotThe snapshot of used resources.
See also
rtems_resource_snapshot_equal() and rtems_resource_snapshot_check().
#include <assert.h>
void example(void)
{
test_setup();
test();
test_cleanup();
}