diff options
author | Jo-Philipp Wich <jow@openwrt.org> | 2010-03-28 17:42:05 +0000 |
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committer | Jo-Philipp Wich <jow@openwrt.org> | 2010-03-28 17:42:05 +0000 |
commit | 876b33a1dd3baa9afc3b4fca4d13db47012423d5 (patch) | |
tree | e03ddd549de66335daf78a0bacfb66faf8e36b81 /modules/admin-mini/luasrc/controller/mini/system.lua | |
parent | 564649cb9286ad4f24c1d5446591deb16de8965e (diff) |
modules/admin-mini: add missing ltn12_popen()
Diffstat (limited to 'modules/admin-mini/luasrc/controller/mini/system.lua')
-rw-r--r-- | modules/admin-mini/luasrc/controller/mini/system.lua | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/modules/admin-mini/luasrc/controller/mini/system.lua b/modules/admin-mini/luasrc/controller/mini/system.lua index 44d0688f6d..e562af0283 100644 --- a/modules/admin-mini/luasrc/controller/mini/system.lua +++ b/modules/admin-mini/luasrc/controller/mini/system.lua @@ -218,3 +218,33 @@ function _keep_pattern() end return kpattern end + +function ltn12_popen(command) + + local fdi, fdo = nixio.pipe() + local pid = nixio.fork() + + if pid > 0 then + fdo:close() + local close + return function() + local buffer = fdi:read(2048) + local wpid, stat = nixio.waitpid(pid, "nohang") + if not close and wpid and stat == "exited" then + close = true + end + + if buffer and #buffer > 0 then + return buffer + elseif close then + fdi:close() + return nil + end + end + elseif pid == 0 then + nixio.dup(fdo, nixio.stdout) + fdi:close() + fdo:close() + nixio.exec("/bin/sh", "-c", command) + end +end |