diff options
Diffstat (limited to 'sys/kern/kern_thread.c')
| -rw-r--r-- | sys/kern/kern_thread.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c index 4f0266b..5da4866 100644 --- a/sys/kern/kern_thread.c +++ b/sys/kern/kern_thread.c @@ -795,6 +795,17 @@ thread_suspend_check(int return_instead) return (ERESTART); /* + * Ignore suspend requests for stop signals if they + * are deferred. + */ + if (P_SHOULDSTOP(p) == P_STOPPED_SIG && + td->td_flags & TDF_SBDRY) { + KASSERT(return_instead, + ("TDF_SBDRY set for unsafe thread_suspend_check")); + return (0); + } + + /* * If the process is waiting for us to exit, * this thread should just suicide. * Assumes that P_SINGLE_EXIT implies P_STOPPED_SINGLE. |
