COPYING: Update year

[etc/awesome.git] / luatz / gettime.lua

diff --git a/luatz/gettime.lua b/luatz/gettime.lua
index 65366bd3ee2bd79a02cc97940116ab08a285da87..4d6f45ad2c95a9a7494f0cb8c2f01fe30706701c 100644 (file)
--- 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 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
-               return "ngx.now()" , 1e-3 , ngx.now
+       if ngx and ngx.now then -- 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