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rtems/cpukit/libcsupport/src
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Sebastian Huber f2185d1099 Decouple the C Program Heap initialization 
Before this patch RTEMS_Malloc_Initialize() had a fixed dependency on
_Workspace_Area.  Introduce _Workspace_Malloc_initializer to have this
dependency only if CONFIGURE_UNIFIED_WORK_AREAS is defined by the
application configuration.
2020-10-01 19:05:33 +02:00
..
__assert.c
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__getpid.c
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__gettod.c
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__times.c
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__usrenv.c
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_calloc_r.c
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_free_r.c
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_malloc_r.c
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_realloc_r.c
doxygen: Switch @brief and @ingroup
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_rename_r.c
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access.c
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alignedalloc.c
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arc4random_getentropy_fail.c
cpukit: Add _arc4random_getentropy_fail.
2017-11-17 07:26:41 +01:00
assoc32tostring.c
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assoclocalbyname.c
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assoclocalbyremote.c
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assoclocalbyremotebitfield.c
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assocnamebad.c
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assocnamebylocal.c
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assocnamebylocalbitfield.c
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assocnamebyremote.c
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assocnamebyremotebitfield.c
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assocptrbylocal.c
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assocptrbyname.c
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assocptrbyremote.c
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assocremotebylocal.c
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assocremotebylocalbitfield.c
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assocremotebyname.c
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assocthreadstatestostring.c
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base_fs.c
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cachealignedalloc.c
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cachecoherentalloc.c
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calloc.c
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CASES
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cfgetispeed.c
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cfgetospeed.c
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cfmakeraw.c
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cfmakesane.c
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cfsetispeed.c
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cfsetospeed.c
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cfsetspeed.c
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chdir.c
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chmod.c
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chown.c
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chroot.c
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clock.c
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clonenode.c
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close.c
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consolesimple.c
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consolesimple.h
Add a simple task console driver
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consolesimpleread.c
console: Be fair in simple console read
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consolesimpletask.c
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ctermid.c
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dup2.c
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dup.c
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error.c
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fchdir.c
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fchmod.c
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fchown.c
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fcntl.c
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fdatasync.c
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flockfile.c
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fpathconf.c
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free.c
malloc: Make deferred free support optional
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freenode.c
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fstat.c
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fsync.c
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ftruncate.c
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ftrylockfile.c
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funlockfile.c
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getchark.c
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getdents.c
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getegid.c
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geteuid.c
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getgid.c
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getgrent.c
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getgrnam.c
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getgroups.c
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getlogin.c
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getpagesize.c
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getpgrp.c
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getpid.c
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getppid.c
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getpwent.c
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getreentglobal.c
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getrusage.c
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getuid.c
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gxx_wrappers.c
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ioctl.c
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isatty_r.c
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issetugid.c
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kill_noposix.c
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lchown.c
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libio_exit.c
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libio_init.c
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libio.c
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libiozeroiops.c
config: Add zero file descriptor data structures
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link.c
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lseek.c
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lstat.c
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malloc_deferred.c
malloc: Make deferred free support optional
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malloc_dirtier.c
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malloc_initialize.c
Decouple the C Program Heap initialization
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malloc_p.h
malloc: Make deferred free support optional
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malloc_walk.c
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malloc.c
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mallocdirtydefault.c
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mallocextenddefault.c
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mallocfreespace.c
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mallocgetheapptr.c
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mallocheap.c
Decouple the C Program Heap initialization
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mallocinfo.c
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mallocsetheapptr.c
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mkdir.c
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mkfifo.c
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mknod.c
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mount-mgr.c
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mount-mktgt.c
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mount.c
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newlibc_exit.c
score: Add CPU_USE_LIBC_INIT_FINI_ARRAY
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newlibc_reent.c
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open_dev_console.c
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open.c
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pathconf.c
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posix_devctl.c
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posix_memalign.c
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print_fprintf.c
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print_printf.c
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printerfprintfputc.c
rtems: Add rtems_print_printer_fprintf_putc()
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printertask.c
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printf_plugin.c
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printk_plugin.c
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printk.c
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privateenv.c
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putk.c
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pwdgrp.c
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pwdgrp.h
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read.c
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readlink.c
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README
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readv.c
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realloc.c
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realpath.c
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resource_snapshot.c
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rmdir.c
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rtems_heap_extend_via_sbrk.c
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rtems_heap_extend.c
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rtems_heap_greedy.c
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rtems_heap_null_extend.c
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rtems_memalign.c
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rtems_mkdir.c
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rtems_put_char.c
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rtems_putc.c
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setegid.c
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seteuid.c
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setgid.c
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setgroups.c
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setpgid.c
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setsid.c
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setuid.c
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stat.c
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statvfs.c
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sup_fs_check_permissions.c
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sup_fs_deviceio.c
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sup_fs_eval_path_generic.c
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sup_fs_eval_path.c
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sup_fs_exist_in_same_instance.c
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sup_fs_location.c
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sup_fs_mount_iterate.c
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sup_fs_next_token.c
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symlink.c
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sync.c
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tcdrain.c
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tcflow.c
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tcflush.c
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tcgetattr.c
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tcgetpgrp.c
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tcsendbreak.c
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tcsetattr.c
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tcsetpgrp.c
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termios_baud2index.c
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termios_baud2num.c
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termios_baudtable.c
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termios_num2baud.c
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termios_posix_isig_handler.c
termios: Replace rtems_termios_isig_status_code
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termios_setbestbaud.c
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termios_setinitialbaud.c
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termios.c
termios: Make rtems_termios_ttyMutex private
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termiosinitialize.c
termios: Make rtems_termios_ttyMutex private
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TODO
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truncate.c
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uenvgetgroups.c
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umask.c
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unlink.c
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unmount.c
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utime.c
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utimes.c
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utsname.c
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vprintk.c
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write_r.c
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write.c
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writev.c
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README 

--

Overview of newlib support (newlib is from CYGNUS)
    Each task can have its own libc state including:
        open stdio files
        strtok
        multi precision arithmetic state
        etc.

    This is implemented by a reentrancy data structure for each task.

    When a task is "started" (in RTEMS sense) the reentrancy structure
    is allocated.

    When task is switched to, the value of global variable _impure_ptr
    is changed to the value of the new tasks reentrancy structure.

    When a task is deleted
        atexit() processing (for that task) happens
        task's stdio buffers are flushed

    When exit(3) is called
        calling task's atexit processing done
        global libc state atexit processing done
            (this will include any atexit routines installed by drivers)
        executive is shutdown
            causes a context switch back to bsp land


NOTE:
    libc extension are installed by bsp_libc_init()
        iff we are using clock interrupts.
        This hack is necessary to allow the tmtests to avoid
        timing the extensions.
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