httpclient: Added missing import

nixio: waitpid() returns 0 with WNOHANG and no terminated childs

2 files changed, 5 insertions, 2 deletions

diff --git a/libs/httpclient/luasrc/httpclient/receiver.lua b/libs/httpclient/luasrc/httpclient/receiver.lua
index c12a673b3..ad2ac8db7 100644
--- a/libs/httpclient/luasrc/httpclient/receiver.lua
+++ b/libs/httpclient/luasrc/httpclient/receiver.lua
@@ -17,7 +17,7 @@ local nixio = require "nixio"
 local httpc = require "luci.httpclient"
 local ltn12 = require "luci.ltn12"
 
-local print, tonumber, require = print, tonumber, require
+local print, tonumber, require, unpack = print, tonumber, require, unpack
 
 module "luci.httpclient.receiver"
 
diff --git a/libs/nixio/src/process.c b/libs/nixio/src/process.c
index e8f0cdc50..69f19b7ac 100644
--- a/libs/nixio/src/process.c
+++ b/libs/nixio/src/process.c
@@ -59,7 +59,10 @@ static int nixio_wait(lua_State *L) {
 		pidout = waitpid(pidin, &status, options);
 	} while (pidout == -1 && errno == EINTR);
 
-	if (pidout == -1) {
+	if (pidout == 0) {
+		lua_pushboolean(L, 0);
+		return 1;
+	} else if (pidout == -1) {
 		return nixio__perror(L);
 	} else {
 		lua_pushinteger(L, pidout);