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Protect p_flag with the proc lock. The sched_lock is not needed to turn
off P_STOPPED_SIG in p_flag.
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parent
c2247848dc
commit
ab0eee5563
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=113619
@ -263,8 +263,8 @@ procfs_control(struct thread *td, struct proc *p, int op)
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* or some other trap.
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*/
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case PROCFS_CTL_RUN:
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PROC_UNLOCK(p);
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p->p_flag &= ~P_STOPPED_SIG; /* this uses SIGSTOP */
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PROC_UNLOCK(p);
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break;
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/*
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@ -349,9 +349,9 @@ procfs_doprocctl(PFS_FILL_ARGS)
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/* XXXKSE: */
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FIX_SSTEP(FIRST_THREAD_IN_PROC(p));
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#endif
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mtx_lock_spin(&sched_lock);
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/* XXXKSE: */
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p->p_flag &= ~P_STOPPED_SIG;
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mtx_lock_spin(&sched_lock);
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thread_unsuspend(p);
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mtx_unlock_spin(&sched_lock);
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} else
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