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unix: add Poll function on Dragonfly

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Tested with TestPoll extracted from syscall_linux_test.go. Once Poll is
supported on all OSes this test can be moved to syscall_unix_test.go.

Change-Id: I03f4396be2e190770abb219c1c5324ca55bcfa27
Reviewed-on: https://go-review.googlesource.com/73430
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Tobias Klauser
2017-10-25 19:14:39 +00:00
committed by Tobias Klauser
parent 92ac112afc
commit 607525c0eb
4 changed files with 57 additions and 2 deletions
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unix/syscall_dragonfly.go
+9 -2
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@@ -125,6 +125,15 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
return
}
//sys poll(fds *PollFd, nfds int, timeout int) (n int, err error)
func Poll(fds []PollFd, timeout int) (n int, err error) {
if len(fds) == 0 {
return poll(nil, 0, timeout)
}
return poll(&fds[0], len(fds), timeout)
}
/*
* Exposed directly
*/
@@ -257,7 +266,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
// Searchfs
// Delete
// Copyfile
// Poll
// Watchevent
// Waitevent
// Modwatch
@@ -403,7 +411,6 @@ func Getfsstat(buf []Statfs_t, flags int) (n int, err error) {
// Pread_nocancel
// Pwrite_nocancel
// Waitid_nocancel
// Poll_nocancel
// Msgsnd_nocancel
// Msgrcv_nocancel
// Sem_wait_nocancel