| epoch.9 (fa9896e082a1046ff4fbc75fcba4d18d1f2efc19) | epoch.9 (04b90ac0f9e883a485bad4b0edf516395596d17f) |
|---|---|
| 1.\" 2.\" Copyright (C) 2018 Matthew Macy <mmacy@FreeBSD.org>. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice(s), this list of conditions and the following disclaimer as --- 10 unchanged lines hidden (view full) --- 19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 25.\" DAMAGE. 26.\" | 1.\" 2.\" Copyright (C) 2018 Matthew Macy <mmacy@FreeBSD.org>. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice(s), this list of conditions and the following disclaimer as --- 10 unchanged lines hidden (view full) --- 19.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 20.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 21.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 22.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 25.\" DAMAGE. 26.\" |
| 27.Dd April 30, 2020 | 27.Dd March 25, 2024 |
| 28.Dt EPOCH 9 29.Os 30.Sh NAME 31.Nm epoch , 32.Nm epoch_context , 33.Nm epoch_alloc , 34.Nm epoch_free , 35.Nm epoch_enter , --- 219 unchanged lines hidden (view full) --- 255.Ed 256.Pp 257Thread 1 traverses the ifaddr list in an epoch. 258Thread 2 unlinks with the corresponding epoch safe macro, marks as logically free, 259and then defers deletion. 260More general mutation or a synchronous 261free would have to follow a call to 262.Fn epoch_wait . | 28.Dt EPOCH 9 29.Os 30.Sh NAME 31.Nm epoch , 32.Nm epoch_context , 33.Nm epoch_alloc , 34.Nm epoch_free , 35.Nm epoch_enter , --- 219 unchanged lines hidden (view full) --- 255.Ed 256.Pp 257Thread 1 traverses the ifaddr list in an epoch. 258Thread 2 unlinks with the corresponding epoch safe macro, marks as logically free, 259and then defers deletion. 260More general mutation or a synchronous 261free would have to follow a call to 262.Fn epoch_wait . |
| 263.Sh NOTES 264The 265.Nm 266kernel programming interface is under development and is subject to change. | |
| 267.Sh SEE ALSO 268.Xr callout 9 , 269.Xr locking 9 , 270.Xr mtx_pool 9 , 271.Xr mutex 9 , 272.Xr rwlock 9 , 273.Xr sema 9 , 274.Xr sleep 9 , --- 20 unchanged lines hidden --- | 263.Sh SEE ALSO 264.Xr callout 9 , 265.Xr locking 9 , 266.Xr mtx_pool 9 , 267.Xr mutex 9 , 268.Xr rwlock 9 , 269.Xr sema 9 , 270.Xr sleep 9 , --- 20 unchanged lines hidden --- |