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nshlib: add support for pkill command

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This command looks through the currently running processes and kills
the those that match the selection criteria. This way system can send
signal to processes by name and without knowing the IDs.

Example (kill application hello):
	pkill -15 hello

The command can be turned off by NSH_DISABLE_PKILL option and depends
on FS_PROCFS.

Signed-off-by: Michal Lenc <michallenc@seznam.cz>
This commit is contained in:
Michal Lenc
2024-09-17 17:06:03 +02:00
committed by Xiang Xiao
parent 767c8ea6ce
commit f81a094283
4 changed files with 113 additions and 0 deletions
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4
nshlib/nsh_command.c
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@@ -310,6 +310,10 @@ static const struct cmdmap_s g_cmdmap[] =
CMD_MAP("kill", cmd_kill, 2, 3, "[-<signal>] <pid>"),
#endif
#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_NSH_DISABLE_PKILL)
CMD_MAP("pkill", cmd_pkill, 2, 3, "[-<signal>] <name>"),
#endif
#ifndef CONFIG_DISABLE_MOUNTPOINT
# if defined(CONFIG_DEV_LOOP) && !defined(CONFIG_NSH_DISABLE_LOSETUP)
CMD_MAP("losetup", cmd_losetup, 3, 6,