Added a comment in thread_new()

1 files changed, 3 insertions, 1 deletions

diff --git a/src/lanes.c b/src/lanes.c
index feccb75..41b097c 100644
--- a/src/lanes.c
+++ b/src/lanes.c
@@ -1946,7 +1946,7 @@ LUAG_FUNC( thread_new)
         char const* libs = lua_tostring( L, 2);
         int const on_state_create = lua_isfunction( L, 3) ? 3 : 0;
         uint_t cs = luaG_optunsigned( L, 4, 0);
-        int prio = (int) luaL_optinteger( L, 5, 0);
+        int const prio = (int) luaL_optinteger( L, 5, 0);
         uint_t glob = lua_isnoneornil( L, 6) ? 0 : 6;
         uint_t package = lua_isnoneornil( L,7) ? 0 : 7;
         uint_t required = lua_isnoneornil( L, 8) ? 0 : 8;
@@ -1954,6 +1954,8 @@ LUAG_FUNC( thread_new)
 #define FIXED_ARGS 8
         uint_t args = lua_gettop(L) - FIXED_ARGS;
 
+        // public Lanes API accepts a generic range (-3/+3 for windows and MinGW-pthread, -2/+2 for the rest of the world)
+        // that will be remapped into the platform-specific scheduler priority scheme
         if( prio < THREAD_PRIO_MIN || prio > THREAD_PRIO_MAX)
         {
                 return luaL_error( L, "Priority out of range: %d..+%d (%d)", THREAD_PRIO_MIN, THREAD_PRIO_MAX, prio);