wireguard-openbsd/sys/kern/kern_kthread.c, branch jd/queueboosts WireGuard implementation for the OpenBSD kernel https://git.zx2c4.com/wireguard-openbsd/atom/sys/kern/kern_kthread.c?h=jd%2Fqueueboosts 2020-02-21T11:10:23Z Remove sigacts structure sharing. The only process that used sharing was 2020-02-21T11:10:23Z claudio claudio@openbsd.org 2020-02-21T11:10:23Z urn:sha1:3d8a8d532cd2996776888e27d02fec8a36c38021 proc0 which is used for kthreads and idle threads. proc0 and all those other kernel threads don't handle signals so there is no benefit in sharing. Simplifies the code a fair bit since the refcnt is gone. OK kettenis@ Replace p_xstat with ps_xexit and ps_xsig 2019-12-11T07:30:09Z guenther guenther@openbsd.org 2019-12-11T07:30:09Z urn:sha1:381e34d2ea89fee5668fcdf23ae079bf0d0c5f37 Convert those to a consolidated status when needed in wait4(), kevent(), and sysctl() Pass exit code and signal separately to exit1() (This also serves as prep for adding waitid(2)) ok mpi@ Grab the KERNEL_LOCK() in kthread_create(9) to enable unlocked code 2018-07-05T14:42:30Z visa visa@openbsd.org 2018-07-05T14:42:30Z urn:sha1:0fd5329e7ff3e902bc4a7d9b29554ad2fd4a3b0d paths create kernel threads. This will be utilized by sosplice() for the taskq allocation. OK mpi@ Split up fork1(): 2017-02-12T04:55:08Z guenther guenther@openbsd.org 2017-02-12T04:55:08Z urn:sha1:79a514fcbea783e80e5f8763d0f8d6ad9a05557f - FORK_THREAD handling is a totally separate function, thread_fork(), that is only used by sys___tfork() and which loses the flags, func, arg, and newprocp parameters and gains tcb parameter to guarantee the new thread's TCB is set before the creating thread returns - fork1() loses its stack and tidptr parameters Common bits factor out: - struct proc allocation and initialization moves to thread_new() - maxthread handling moves to fork_check_maxthread() - setting the new thread running moves to fork_thread_start() The MD cpu_fork() function swaps its unused stacksize parameter for a tcb parameter. luna88k testing by aoyama@, alpha testing by dlg@ ok mpi@ p_comm is the process's command and isn't per thread, so move it from 2017-01-21T05:42:03Z guenther guenther@openbsd.org 2017-01-21T05:42:03Z urn:sha1:8fda72b7e051ba1f5fd77ca4e41c7870ed36e4b6 struct proc to struct process. ok deraadt@ kettenis@ Split PID from TID, giving processes a PID unrelated to the TID of their 2016-11-07T00:26:32Z guenther guenther@openbsd.org 2016-11-07T00:26:32Z urn:sha1:3b7181b7c198203c21e16e10714f0dfd4fb2302e initial thread ok jsing@ kettenis@ Remove some includes include-what-you-use claims don't 2015-03-14T03:38:46Z jsg jsg@openbsd.org 2015-03-14T03:38:46Z urn:sha1:21dab745d772244ad59a415114e48be2888cfbc8 have any direct symbols used. Tested for indirect use by compiling amd64/i386/sparc64 kernels. ok tedu@ deraadt@ pass size argument to free() 2014-11-03T03:08:00Z deraadt deraadt@openbsd.org 2014-11-03T03:08:00Z urn:sha1:5ff140d246573b102762c244776a1297acc30fd9 ok doug tedu add a size argument to free. will be used soon, but for now default to 0. 2014-07-12T18:43:32Z tedu tedu@openbsd.org 2014-07-12T18:43:32Z urn:sha1:9e8577e7fffeab9111fc01d9e1c7ca42905be86a after discussions with beck deraadt kettenis. Add PS_SYSTEM, the process-level mirror of the thread-level P_SYSTEM, 2014-05-04T05:03:26Z guenther guenther@openbsd.org 2014-05-04T05:03:26Z urn:sha1:ed557a3682b90c9d79cd694303ca27156c5408c7 and FORK_SYSTEM as a flag to set them. This eliminates needing to peek into other processes threads in various places. Inspired by NetBSD ok miod@ matthew@