Author: kib Date: Thu Aug 1 14:34:27 2019 New Revision: 350502 URL: https://svnweb.freebsd.org/changeset/base/350502
Log: Make umtxq_check_susp() to correctly handle thread exit requests. The check for P_SINGLE_EXIT was shadowed by the (P_SHOULDSTOP || traced) check. Reported by: bdrewery (might be) Reviewed by: markj Tested by: pho MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential revision: https://reviews.freebsd.org/D21124 Modified: head/sys/kern/kern_umtx.c Modified: head/sys/kern/kern_umtx.c ============================================================================== --- head/sys/kern/kern_umtx.c Thu Aug 1 14:17:31 2019 (r350501) +++ head/sys/kern/kern_umtx.c Thu Aug 1 14:34:27 2019 (r350502) @@ -723,13 +723,11 @@ umtxq_check_susp(struct thread *td, bool sleep) error = 0; p = td->td_proc; PROC_LOCK(p); - if (P_SHOULDSTOP(p) || - ((p->p_flag & P_TRACED) && (td->td_dbgflags & TDB_SUSPEND))) { - if (p->p_flag & P_SINGLE_EXIT) - error = EINTR; - else - error = sleep ? thread_suspend_check(0) : ERESTART; - } + if (p->p_flag & P_SINGLE_EXIT) + error = EINTR; + else if (P_SHOULDSTOP(p) || + ((p->p_flag & P_TRACED) && (td->td_dbgflags & TDB_SUSPEND))) + error = sleep ? thread_suspend_check(0) : ERESTART; PROC_UNLOCK(p); return (error); } _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
