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| author | Richard M. Stallman <rms@gnu.org> | 1999-05-19 02:27:09 +0000 |
|---|---|---|
| committer | Richard M. Stallman <rms@gnu.org> | 1999-05-19 02:27:09 +0000 |
| commit | 92a581153df9d0a44fd8cf75058cc9512bc40533 (patch) | |
| tree | f5a121ed2cfec085d5a8a7657ebe008cdf3be627 /src/filelock.c | |
| parent | 294500f232a4c11b1ba87d0ceb49cdced025c676 (diff) | |
| download | emacs-92a581153df9d0a44fd8cf75058cc9512bc40533.tar.gz | |
Comment change.
Diffstat (limited to 'src/filelock.c')
| -rw-r--r-- | src/filelock.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/filelock.c b/src/filelock.c index cbdf8468da5..f5e4fb85966 100644 --- a/src/filelock.c +++ b/src/filelock.c @@ -124,7 +124,13 @@ get_boot_time () EMACS_GET_TIME (time_before); /* Try calculating the last boot time - from the uptime as obtained from /proc/uptime. */ + from the uptime as obtained from /proc/uptime. + + This has a disadvantage in that if the system time has been + changed (say to correct the clock), + then current_time - uptime != wtmp_boot_time. + However, the speedup from doing this can be so great + that I think it is worth that problem occasionally. */ while ((fd = open ("/proc/uptime", O_RDONLY)) >= 0) { |