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-rw-r--r--libs/sys/luasrc/sys.lua47
1 files changed, 47 insertions, 0 deletions
diff --git a/libs/sys/luasrc/sys.lua b/libs/sys/luasrc/sys.lua
index 7357d4cfb..6b6ea7012 100644
--- a/libs/sys/luasrc/sys.lua
+++ b/libs/sys/luasrc/sys.lua
@@ -298,6 +298,46 @@ process = {}
-- @return Number containing the current pid
process.info = posix.getpid
+--- Retrieve information about currently running processes.
+-- @return Table containing process information
+function process.list()
+ local data = {}
+ local k
+ local ps = luci.util.execi("top -bn1")
+
+ if not ps then
+ return
+ end
+
+ while true do
+ local line = ps()
+ if not line then
+ return
+ end
+
+ k = luci.util.split(luci.util.trim(line), "%s+", nil, true)
+ if k[1] == "PID" then
+ break
+ end
+ end
+
+ for line in ps do
+ local row = {}
+
+ line = luci.util.trim(line)
+ for i, value in ipairs(luci.util.split(line, "%s+", #k-1, true)) do
+ row[k[i]] = value
+ end
+
+ local pid = tonumber(row[k[1]])
+ if pid then
+ data[pid] = row
+ end
+ end
+
+ return data
+end
+
--- Set the gid of a process identified by given pid.
-- @param pid Number containing the process id
-- @param gid Number containing the Unix group id
@@ -318,6 +358,13 @@ function process.setuser(pid, uid)
return posix.setpid("u", pid, uid)
end
+--- Send a signal to a process identified by given pid.
+-- @param pid Number containing the process id
+-- @param sig Signal to send (default: 15 [SIGTERM])
+-- @return Boolean indicating successful operation
+-- @return Number containing the error code if failed
+process.signal = posix.kill
+
--- LuCI system utilities / user related functions.
-- @class module