luatz/gettime: Use lunix if available

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

diff --git a/luatz/gettime.lua b/luatz/gettime.lua
index 65366bd3ee2bd79a02cc97940116ab08a285da87..d3eee802d205d8266355a09f21e6900cda135d27 100644 (file)
--- a/luatz/gettime.lua
+++ b/luatz/gettime.lua
@@ -2,27 +2,38 @@ 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
+       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
+
+       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" )
@@ -32,8 +43,8 @@ _M.source , _M.resolution , _M.gettime = (function()
                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