kill() binding, expose signal names

1 files changed, 26 insertions, 0 deletions

diff --git a/luxio.c b/luxio.c
index e51e625..a772627 100644
--- a/luxio.c
+++ b/luxio.c
@@ -1312,6 +1312,18 @@ WAITPID_STATUS(WIFCONTINUED)
 #undef WAITPID_STATUS
 
 static int
+luxio_kill(lua_State *L)
+{
+	pid_t pid = luaL_checkinteger(L, 1);
+	int sig = luaL_checkinteger(L, 2);
+
+	lua_pushinteger(L, kill(pid, sig));
+	lua_pushinteger(L, errno);
+
+	return 2;
+}
+
+static int
 luxio__exit(lua_State *L)
 {
 	int ret = luaL_optinteger(L, 1, 0);
@@ -1360,6 +1372,8 @@ luxio_getenv(lua_State *L)
 	return 1;
 }
 
+
+
 static const struct luaL_Reg
 luxio_functions[] = {
 	{ "open",      luxio_open },
@@ -1427,6 +1441,8 @@ luxio_functions[] = {
 #endif
 #undef WAITPID_STATUS_ENTRY
 
+	{ "kill", luxio_kill },
+
 	{ "strerror",  luxio_strerror },
 	{ "_exit", luxio__exit },
 	
@@ -1450,6 +1466,8 @@ luxio_bitop_functions[] = {
 
 #include "luxio_constants.h"
 
+#define NUMERIC_CONSTANT(x) lua_pushstring(L, #x); lua_pushinteger(L, x); lua_settable(L, -3);
+
 int
 luaopen_luxio(lua_State *L)
 {
@@ -1477,5 +1495,13 @@ luaopen_luxio(lua_State *L)
 		lua_settable(L, -3);
 	}
 
+	/* push values that are not compile-time known */
+#ifdef SIGRTMIN
+	NUMERIC_CONSTANT(SIGRTMIN);
+	NUMERIC_CONSTANT(SIGRTMAX);
+#endif
+
 	return 1;
 }
+
+#undef NUMERRIC_CONSTANT