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| -rw-r--r-- | man2/poll.2 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/man2/poll.2 b/man2/poll.2 index 0b834306ac..d56cde8875 100644 --- a/man2/poll.2 +++ b/man2/poll.2 @@ -123,6 +123,14 @@ the call is interrupted by a signal handler; or .IP \[bu] the timeout expires. .PP +Being "ready" means that the requested operation will not block; thus, +.BR poll ()ing +regular files, +block devices, +and other files with no reasonable polling semantic +.I always +returns instantly as ready to read and write. +.PP Note that the .I timeout interval will be rounded up to the system clock granularity, |