nuttx

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Gregory Nutt 1ed816de4b Squashed commit of the following:

fs/mount:  Implements procfs /proc/fs/blocks and /proc/fs/usage files, replacing the NSH df command.
    fs/mount:  Implements procfs /proc/fs/mount file, replacing the NSH mount command when there are not arguments.
    fs/: Move prototype of foreach_mountpoint out of include/nuttx/fs/fs.h to fs/mount/mount.h.  Add framework for the mount procfs (initial commit is just a close of the net/route table procfs.

2017-10-26 13:33:08 -06:00

fs_procfs.c

Squashed commit of the following:

2017-10-26 13:33:08 -06:00

fs_procfscpuload.c

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fs_procfskmm.c

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fs_procfsproc.c

Add file missed in last commit. Fix naming in some configuration items.

2017-08-12 07:26:20 -06:00

fs_procfsuptime.c

procfs: Fix incorrect uptime with CONFIG_SYSTEM_TIME64

2017-04-25 10:58:38 +09:00

fs_procfsutil.c

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fs_skeleton.c

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Kconfig

Squashed commit of the following:

2017-10-26 13:33:08 -06:00

Make.defs

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README.txt

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README.txt

fs/procfs README
================

  This is a tiny procfs file system that allows read-only access to a few
  attributes of a task or thread.  This tiny procfs fs file system can be
  built into the system by enabling:

    CONFIG_FS_PROCFS=y

  It can then be mounted from the NSH command like like:

    nsh> mount -t procfs /proc

Example
=======

  NuttShell (NSH) NuttX-6.31
  nsh> mount -t procfs /proc

  nsh> ls /proc
  /proc:
   0/
   1/

  nsh> ls /proc/1
  /proc/1:
   status
   cmdline

  nsh> cat /proc/1/status
  Name:       init
  Type:       Task
  State:      Running
  Priority:   100
  Scheduler:  SCHED_FIFO
  SigMask:    00000000

  nsh> cat /proc/1/cmdline
  init

  nsh> sleep 100 &
  sleep [2:100]
  nsh> ls /proc
  ls /proc
  /proc:
   0/
   1/
   2/

  nsh> cat /proc/2/cmdline
  <pthread> 0x527420