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apps/nshlib: Add the pidof command and API nsh_getpid

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Add the API "nsh_getpid" in "nsh_fsutils. c" and the nsh command pidof. Temporarily support two parameters, - s, and process name

Signed-off-by: wangmingrong <wangmingrong@xiaomi.com>
This commit is contained in:
wangmingrong
2023-08-11 19:09:16 +08:00
committed by Xiang Xiao
parent 658b847384
commit 7981278021
5 changed files with 176 additions and 3 deletions
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30
nshlib/nsh.h
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@@ -576,9 +576,8 @@
*/
#if defined(CONFIG_NSH_DISABLE_LS) && defined(CONFIG_NSH_DISABLE_PS) && \
defined(CONFIG_NSH_DISABLE_FDINFO) && \
defined(CONFIG_NSH_DISABLE_RPTUN) && \
defined(CONFIG_NSH_DISABLE_PMCONFIG)
defined(CONFIG_NSH_DISABLE_RPTUN) && defined(CONFIG_NSH_DISABLE_PMCONFIG) && \
defined(CONFIG_NSH_DISABLE_FDINFO) && defined(CONFIG_NSH_DISABLE_PIDOF)
# undef NSH_HAVE_FOREACH_DIRENTRY
#endif
@@ -956,6 +955,9 @@ void nsh_usbtrace(void);
#ifndef CONFIG_NSH_DISABLE_PS
int cmd_ps(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
#endif
#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_NSH_DISABLE_PIDOF)
int cmd_pidof(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
#endif
#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_NSH_DISABLE_FDINFO)
int cmd_fdinfo(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
#endif
@@ -1381,6 +1383,28 @@ int nsh_foreach_direntry(FAR struct nsh_vtbl_s *vtbl, FAR const char *cmd,
nsh_direntry_handler_t handler, void *pvarg);
#endif
/****************************************************************************
* Name: nsh_getpid
*
* Description:
* Obtain pid through process name
*
* Input Parameters:
* vtbl - NSH session data
* name - the name of the process
* pids - allocated array for storing pid
* count - the maximum number of pids obtained
*
* Returned value:
* the actual number of pids obtained
*
****************************************************************************/
#if defined(CONFIG_FS_PROCFS) && !defined(CONFIG_NSH_DISABLE_PIDOF)
ssize_t nsh_getpid(FAR struct nsh_vtbl_s *vtbl, FAR const char *name,
FAR pid_t *pids, size_t count);
#endif
/****************************************************************************
* Name: nsh_trimdir
*