lua-timerfd

Lua bindings for Linux timerfd

Platform

• Linux (2.6.27+)

Install

build with cmake or run luarocks install timerfd

Interface

• new()
• settime(nanoseconds)
• gettime()
• pollfd()
• read()
• close()

Example

local timerfd = require("timerfd").new()
timerfd:settime(33333333)  -- 30fps

print(string.format("fd %d time %d", timerfd:pollfd(), timerfd:gettime()))

local runloop = require("cqueues").new()
runloop:wrap(function()
    local pollfd = timerfd:pollfd()

    while true do
        local now = require("posix.time").clock_gettime(require("posix.time").CLOCK_REALTIME)
        print(string.format("tick %s.%09d", os.date("%Y-%m-%d %H:%M:%S", now.tv_sec), now.tv_nsec))

        require("cqueues").poll({pollfd = pollfd, events = "r"})
        timerfd:read()
    end
end)    
assert(runloop:loop())

License

lua-timerfd is released under the MIT License. See the LICENSE file for more information.

Contact

You can contact me by email: admin@chensoft.com.