nshlib/cmd_wait: Wait failed if "PROCFS/PROCES" not enabled

Env

  sim:nsh
  - CONFIG_FS_PROCFS_EXCLUDE_PROCES=y

Error

  nsh> sleep 5 &
  sh [4:100]
  nsh> wait 4
  nsh: wait: wait failed: 2

cmd_wait():

  snprintf(path, sizeof(path), "/proc/%d/status", tid);

Signed-off-by: wangjianyu3 <wangjianyu3@xiaomi.com>

nshlib/Kconfig

@@ -715,6 +715,7 @@ config NSH_DISABLE_WAIT
 	bool "Disable wait"
 	default DEFAULT_SMALL
 	depends on SCHED_WAITPID
+	depends on FS_PROCFS && !FS_PROCFS_EXCLUDE_PROCESS
 
 config NSH_DISABLE_WATCH
 	bool "Disable watch"

nshlib/nsh.h

@@ -1238,7 +1238,8 @@ int cmd_watch(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
 #endif
 
 #if !defined(CONFIG_NSH_DISABLE_WAIT) && defined(CONFIG_SCHED_WAITPID) && \
-    !defined(CONFIG_DISABLE_PTHREAD)
+    !defined(CONFIG_DISABLE_PTHREAD) && defined(CONFIG_FS_PROCFS) && \
+    !defined(CONFIG_FS_PROCFS_EXCLUDE_PROCESS)
 int cmd_wait(FAR struct nsh_vtbl_s *vtbl, int argc, FAR char **argv);
 #endif
 

nshlib/nsh_command.c

@@ -679,7 +679,8 @@ static const struct cmdmap_s g_cmdmap[] =
   CMD_MAP("xd",       cmd_xd,       3, 3, "<hex-address> <byte-count>"),
 #endif
 #if !defined(CONFIG_NSH_DISABLE_WAIT) && defined(CONFIG_SCHED_WAITPID) && \
-    !defined(CONFIG_DISABLE_PTHREAD)
+    !defined(CONFIG_DISABLE_PTHREAD) && defined(CONFIG_FS_PROCFS) && \
+    !defined(CONFIG_FS_PROCFS_EXCLUDE_PROCESS)
   CMD_MAP("wait",     cmd_wait,     1, CONFIG_NSH_MAXARGUMENTS,
           "pid1 [pid2 [pid3] ...]"),
 #endif

nshlib/nsh_wait.c

@@ -35,7 +35,8 @@
 #include "nsh_console.h"
 
 #if !defined(CONFIG_NSH_DISABLE_WAIT) && defined(CONFIG_SCHED_WAITPID) && \
-    !defined(CONFIG_DISABLE_PTHREAD)
+    !defined(CONFIG_DISABLE_PTHREAD) && defined(CONFIG_FS_PROCFS) && \
+    !defined(CONFIG_FS_PROCFS_EXCLUDE_PROCESS)
 
 static const char g_groupid[] = "Group:";