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| author | Thomas Schwinge <thomas@codesourcery.com> | 2013-01-08 21:34:29 +0100 |
|---|---|---|
| committer | Thomas Schwinge <thomas@codesourcery.com> | 2013-01-08 21:43:11 +0100 |
| commit | cd42b6144bf707fa38555bc06e267bb16db011f5 (patch) | |
| tree | ddebd4ae1c845bd062261b4335a9ab7a969a3c89 /microkernel/mach/gnumach/preemption.mdwn | |
| parent | a91114fc89dd554494801349e57bd5d29454a8b1 (diff) | |
| parent | e66cb01b99b60f9483de2425bca3bb104bcc9ae8 (diff) | |
Merge remote-tracking branch 'fp/master'
Diffstat (limited to 'microkernel/mach/gnumach/preemption.mdwn')
| -rw-r--r-- | microkernel/mach/gnumach/preemption.mdwn | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/microkernel/mach/gnumach/preemption.mdwn b/microkernel/mach/gnumach/preemption.mdwn new file mode 100644 index 00000000..520f7bc9 --- /dev/null +++ b/microkernel/mach/gnumach/preemption.mdwn @@ -0,0 +1,20 @@ +[[!meta copyright="Copyright © 2010, 2012, 2013 Free Software Foundation, +Inc."]] + +[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable +id="license" text="Permission is granted to copy, distribute and/or modify this +document under the terms of the GNU Free Documentation License, Version 1.2 or +any later version published by the Free Software Foundation; with no Invariant +Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license +is included in the section entitled [[GNU Free Documentation +License|/fdl]]."]]"""]] + +[[!tag open_issue_gnumach]] + +There currently is no kernel preemption in GNU Mach. + +If GNU Mach were made a a preemptive kernel, using [[continuation]]s would +probably no longer make sense as the kernel itself, that is, kernel threads can +be preempted, and then their full state needs to be preserved. + +See also [[open_issues/multithreading]]. |