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Diffstat (limited to 'src/runtime/time_windows.h')
-rw-r--r-- | src/runtime/time_windows.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/runtime/time_windows.h b/src/runtime/time_windows.h index cd16fd163b..7c2e65c328 100644 --- a/src/runtime/time_windows.h +++ b/src/runtime/time_windows.h @@ -9,6 +9,7 @@ // http://web.archive.org/web/20210411000829/https://wrkhpi.wordpress.com/2007/08/09/getting-os-information-the-kuser_shared_data-structure/ // Must read hi1, then lo, then hi2. The snapshot is valid if hi1 == hi2. +// Or, on 64-bit, just read lo:hi1 all at once atomically. #define _INTERRUPT_TIME 0x7ffe0008 #define _SYSTEM_TIME 0x7ffe0014 #define time_lo 0 |