X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/31acfe7a5fe499c1698ae23ada97519b4b262469..b810c29ea3652ed987ae54eb56baa79bf24311af:/luatz/gettime.lua diff --git a/luatz/gettime.lua b/luatz/gettime.lua index b5dec5a..4d6f45a 100644 --- a/luatz/gettime.lua +++ b/luatz/gettime.lua @@ -1,42 +1,53 @@ -local _M = { } - -_M.source , _M.resolution , _M.gettime = (function() - local has_syscall , syscall = pcall ( require , "syscall" ) - if has_syscall then - if syscall.clock_gettime and syscall.c.CLOCK then - local clock_id = syscall.c.CLOCK.REALTIME - local function timespec_to_number ( timespec ) - return tonumber ( timespec.tv_sec ) + tonumber ( timespec.tv_nsec ) * 1e-9 - end - return "syscall.clock_gettime(CLOCK_REALTIME)" , - syscall.clock_getres and timespec_to_number ( syscall.clock_getres ( clock_id ) ) or 1e-9 , - function ( ) - return timespec_to_number ( syscall.clock_gettime ( clock_id ) ) - end - - elseif syscall.gettimeofday then - local function timeval_to_number ( timeval ) - return tonumber ( timeval.tv_sec ) + tonumber ( timeval.tv_nsec ) * 1e-6 +local _M = {} + +_M.source, _M.resolution, _M.gettime = (function() + local has_syscall, syscall = pcall(require, "syscall") + if has_syscall and syscall.clock_gettime and syscall.c.CLOCK then + local clock_id = syscall.c.CLOCK.REALTIME + local function timespec_to_number(timespec) + return tonumber(timespec.tv_sec) + tonumber(timespec.tv_nsec) * 1e-9 + end + return "syscall.clock_gettime(CLOCK_REALTIME)", + syscall.clock_getres and timespec_to_number(syscall.clock_getres(clock_id)) or 1e-9, + function() + return timespec_to_number(syscall.clock_gettime(clock_id)) end - return "syscall.gettimeofday()" , 1e-6 , - function ( ) - return timeval_to_number ( syscall.gettimeofday ( ) ) - end + end + + local has_unix, unix = pcall(require, "unix") + -- On Apple devices lunix only uses gettimeofday() + if has_unix and unix.clock_gettime and unix.uname and unix.uname().sysname ~= "Darwin" then + return "unix.clock_gettime(CLOCK_REALTIME)", 1e-9, function() + return unix.clock_gettime() end end - local has_socket , socket = pcall ( require , "socket" ) + if has_syscall and syscall.gettimeofday then + local function timeval_to_number(timeval) + return tonumber(timeval.tv_sec) + tonumber(timeval.tv_nsec) * 1e-6 + end + return "syscall.gettimeofday()", 1e-6, + function() + return timeval_to_number(syscall.gettimeofday()) + end + end + + if has_unix and unix.gettimeofday then + return "unix.gettimeofday()", 1e-6, unix.gettimeofday + end + + local has_socket, socket = pcall(require, "socket") if has_socket and socket.gettime then -- on windows, this uses GetSystemTimeAsFileTime, which has resolution of 1e-7 -- on linux, this uses gettimeofday, which has resolution of 1e-6 - return "socket.gettime()" , 1e-6 , socket.gettime + return "socket.gettime()", 1e-6, socket.gettime end if ngx and ngx.now then -- luacheck: ignore 113 - return "ngx.now()" , 1e-3 , ngx.now -- luacheck: ignore 113 + return "ngx.now()", 1e-3, ngx.now -- luacheck: ignore 113 end - return "os.time()" , 1 , os.time + return "os.time()", 1, os.time end)() return _M