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Update to address review comments in PR #1105

This commit is contained in:
TerryE 2016-03-03 15:28:34 +00:00
parent 4f8f192cbe
commit 9977b13bcd
2 changed files with 13 additions and 7 deletions
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10
app/modules/node.c
View File

@ -449,7 +449,7 @@ static int node_compile( lua_State* L )
return 0;
}
// Task callback handler for node.tasknow()
// Task callback handler for node.task.post()
static task_handle_t do_node_task_handle;
static void do_node_task (task_param_t task_fn_ref, uint8_t prio)
{
@ -461,7 +461,7 @@ static void do_node_task (task_param_t task_fn_ref, uint8_t prio)
lua_call(L, 1, 0);
}
// Lua: node.tasknow(task_cb)) -- schedule a task for execution next
// Lua: node.task.post([priority],task_cb) -- schedule a task for execution next
static int node_task_post( lua_State* L )
{
int n = 1, Ltype = lua_type(L, 1);
@ -479,7 +479,11 @@ static int node_task_post( lua_State* L )
if (!do_node_task_handle) // bind the task handle to do_node_task on 1st call
do_node_task_handle = task_get_id(do_node_task);
task_post(priority, do_node_task_handle, (task_param_t)task_fn_ref);
if(!task_post(priority, do_node_task_handle, (task_param_t)task_fn_ref)) {
luaL_unref(L, LUA_REGISTRYINDEX, task_fn_ref);
luaL_error(L, "Task queue overflow. Task not posted");
}
return 0;
}
// Lua: setcpufreq(mhz)

2
docs/en/modules/node.md
View File

@ -412,6 +412,8 @@ Enable a Lua callback or task to post another task request. Note that as per the
example multiple tasks can be posted in any task, but the highest priority is
always delivered first.
If the task queue is full then a queue full error is raised.
####Syntax
`node.task.post([task_priority], function)`