diff options
| author | Corinna Vinschen <corinna@vinschen.de> | 2011-03-30 15:30:34 +0400 |
|---|---|---|
| committer | Corinna Vinschen <corinna@vinschen.de> | 2011-03-30 15:30:34 +0400 |
| commit | af23d12d330275930b424341ffd0da9cf686f0f5 (patch) | |
| tree | 2d187ea6994609d67f3cad3a6ad0e7cf794bd28a /winsup/cygwin/times.cc | |
| parent | 51564c783f61f2c218badac70366381b8abb4c4f (diff) | |
* times.cc (hires_ms::resolution): Make sure resolution is never 0.
(clock_setres): Ditto.
Diffstat (limited to 'winsup/cygwin/times.cc')
| -rw-r--r-- | winsup/cygwin/times.cc | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/winsup/cygwin/times.cc b/winsup/cygwin/times.cc index 19c03fdf8..e9f2b8e46 100644 --- a/winsup/cygwin/times.cc +++ b/winsup/cygwin/times.cc @@ -827,6 +827,10 @@ hires_ms::resolution () period /= 40000L; minperiod = (DWORD) period; } + /* The resolution can be as low as 5000 100ns intervals on recent OSes. + We have to make sure that the resolution in ms is never 0. */ + if (!minperiod) + minperiod = 1L; } return minperiod; } @@ -901,6 +905,10 @@ clock_setres (clockid_t clk_id, struct timespec *tp) return -1; } minperiod = actual / 10000L; + /* The resolution can be as low as 5000 100ns intervals on recent OSes. + We have to make sure that the resolution in ms is never 0. */ + if (!minperiod) + minperiod = 1L; period_set = true; return 0; } |