diff options
Diffstat (limited to 'Source/kwsys')
| -rw-r--r-- | Source/kwsys/Process.h.in | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Source/kwsys/Process.h.in b/Source/kwsys/Process.h.in index bd61086..26779d7 100644 --- a/Source/kwsys/Process.h.in +++ b/Source/kwsys/Process.h.in @@ -267,7 +267,9 @@ kwsysEXPORT void kwsysProcess_Disown(kwsysProcess* cp); * return after reading data, the time elapsed is subtracted * from the timeout value. If this timeout expires, the * value is set to 0. A NULL pointer passed for this argument - * indicates no timeout for the call. + * indicates no timeout for the call. A negative or zero + * value passed for this argument may be used for polling + * and will always return immediately. * * Return value will be one of: * |