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fix(stats): fix the layout of struct timespec #1821

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fix(stats): fix the layout of struct timespec #1821

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19 changes: 18 additions & 1 deletion lua/lazy/stats.lua
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Original file line number Diff line number Diff line change
Expand Up @@ -34,12 +34,29 @@ end
function M.cputime()
if M.C == nil then
pcall(function()
local pad = ""
-- If we're a 32-bit platform, we need to pad by 4 bytes.
if ffi.abi("32bit") then
pad = "int _tv_pad;"
end

local pad_before_nsec = ""
local pad_after_nsec = ""
-- Where we place the padding depends on the endianness.
if ffi.abi("le") then
pad_after_nsec = pad
else
pad_before_nsec = pad
end

ffi.cdef([[
typedef long time_t;
typedef int64_t time_t;
typedef int clockid_t;
typedef struct timespec {
time_t tv_sec; /* seconds */
]] .. pad_before_nsec .. [[
long tv_nsec; /* nanoseconds */
]] .. pad_after_nsec .. [[
} nanotime;
int clock_gettime(clockid_t clk_id, struct timespec *tp);
]])
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