luvit.lua: map process.pid to native.getpid()

Allows for PID to be extracted from Lua process. ./src/luv.c: Mapped getpid() to lua_getpid() Translates C function for getting Process ID to Lua function. ./src/luv_process.c: Defined function for retrieving PID Calls for PID from System. ./src/luv_process.h: Added lua_getpid() function Allows function to be called in luv.c.
luvit · May 26, 2012 · d8bc9b9 · d8bc9b9
1 parent 153fefa
commit d8bc9b9
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Showing 4 changed files with 13 additions and 1 deletion.
diff --git a/lib/luvit/luvit.lua b/lib/luvit/luvit.lua
@@ -133,6 +133,10 @@ process.env = setmetatable({}, {
   end
 })
 
+--Retrieve PID
+process.getpid = native.getpid
+process.pid = process.getpid()
+
 -- Copy date and time over from lua os module into luvit os module
 local OLD_OS = require('os')
 local OS_BINDING = require('os_binding')

diff --git a/src/luv.c b/src/luv.c
@@ -66,7 +66,8 @@ static const luaL_reg luv_f[] = {
   /* Process functions */
   {"spawn", luv_spawn},
   {"processKill", luv_process_kill},
-
+  {"getpid", luv_getpid},
+
   /* Stream functions */
   {"shutdown", luv_shutdown},
   {"listen", luv_listen},

diff --git a/src/luv_process.c b/src/luv_process.c
@@ -32,6 +32,12 @@ void luv_process_on_exit(uv_process_t* handle, int exit_status, int term_signal)
 
 }
 
+/* Retrieves Process ID */
+int luv_getpid(lua_State* L){
+  int pid = getpid();
+  lua_pushinteger(L, pid);
+  return 1;
+}
 
 /* Initializes uv_process_t and starts the process. */
 int luv_spawn(lua_State* L) {

diff --git a/src/luv_process.h b/src/luv_process.h
@@ -26,5 +26,6 @@
 
 int luv_spawn(lua_State* L);
 int luv_process_kill(lua_State* L);
+int luv_getpid(lua_State* L);
 
 #endif