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| author | julian <julian@FreeBSD.org> | 2002-08-22 21:45:58 +0000 |
|---|---|---|
| committer | julian <julian@FreeBSD.org> | 2002-08-22 21:45:58 +0000 |
| commit | 169932bd89c145cdb9856cfe6eaf6404cdd06e5a (patch) | |
| tree | a5d47668028d913f63c63c82275b6116ae3b9620 /sys/kern/kern_thread.c | |
| parent | 7a233d4c9f8562bf331fa9b7d4d1f649521fb602 (diff) | |
| download | FreeBSD-src-169932bd89c145cdb9856cfe6eaf6404cdd06e5a.zip FreeBSD-src-169932bd89c145cdb9856cfe6eaf6404cdd06e5a.tar.gz | |
slight cleanup of single-threading code for KSE processes
Diffstat (limited to 'sys/kern/kern_thread.c')
| -rw-r--r-- | sys/kern/kern_thread.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c index 664dde4..0214237 100644 --- a/sys/kern/kern_thread.c +++ b/sys/kern/kern_thread.c @@ -804,6 +804,21 @@ thread_single_end(void) PROC_LOCK_ASSERT(p, MA_OWNED); p->p_flag &= ~P_STOPPED_SNGL; p->p_singlethread = NULL; - thread_unsuspend(p); + /* + * If there are other threads they mey now run, + * unless of course there is a blanket 'stop order' + * on the process. The single threader must be allowed + * to continue however as this is a bad place to stop. + */ + if ((p->p_numthreads != 1) && (!P_SHOULDSTOP(p))) { + mtx_lock_spin(&sched_lock); + while (( td = TAILQ_FIRST(&p->p_suspended))) { + TAILQ_REMOVE(&p->p_suspended, td, td_runq); + p->p_suspcount--; + setrunqueue(td); + } + mtx_unlock_spin(&sched_lock); + } } + |
