The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=30b16a6bcf01c17b52daef76bf2320749e84bd89
commit 30b16a6bcf01c17b52daef76bf2320749e84bd89 Author: Konstantin Belousov <[email protected]> AuthorDate: 2022-08-12 20:16:29 +0000 Commit: Konstantin Belousov <[email protected]> CommitDate: 2022-08-20 17:33:17 +0000 exit1(): update comment about thread_single() We do not check single-threading conditions in trap, or when sleeping uninterruptible. Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 3 days Differential revision: https://reviews.freebsd.org/D36207 --- sys/kern/kern_exit.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/sys/kern/kern_exit.c b/sys/kern/kern_exit.c index c617bc73716d..68500c3b8721 100644 --- a/sys/kern/kern_exit.c +++ b/sys/kern/kern_exit.c @@ -276,16 +276,15 @@ exit1(struct thread *td, int rval, int signo) * Kill off the other threads. This requires * some co-operation from other parts of the kernel * so it may not be instantaneous. With this state set - * any thread entering the kernel from userspace will - * thread_exit() in trap(). Any thread attempting to + * any thread attempting to interruptibly * sleep will return immediately with EINTR or EWOULDBLOCK * which will hopefully force them to back out to userland * freeing resources as they go. Any thread attempting - * to return to userland will thread_exit() from userret(). + * to return to userland will thread_exit() from ast(). * thread_exit() will unsuspend us when the last of the * other threads exits. * If there is already a thread singler after resumption, - * calling thread_single will fail; in that case, we just + * calling thread_single() will fail; in that case, we just * re-check all suspension request, the thread should * either be suspended there or exit. */
