diff options
Diffstat (limited to 'sys/fs/procfs/procfs_ctl.c')
-rw-r--r-- | sys/fs/procfs/procfs_ctl.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/sys/fs/procfs/procfs_ctl.c b/sys/fs/procfs/procfs_ctl.c index 0f35370..15ed718 100644 --- a/sys/fs/procfs/procfs_ctl.c +++ b/sys/fs/procfs/procfs_ctl.c @@ -62,7 +62,7 @@ * relative to process (curp) */ #define TRACE_WAIT_P(curp, p) \ - ((p)->p_stat == SSTOP && \ + (P_SHOULDSTOP(p) && \ (p)->p_pptr == (curp) && \ ((p)->p_flag & P_TRACED)) @@ -262,6 +262,7 @@ out: */ case PROCFS_CTL_RUN: PROC_UNLOCK(p); + p->p_flag &= ~P_STOPPED_SGNL; /* this uses SIGSTOP */ break; /* @@ -272,27 +273,26 @@ out: case PROCFS_CTL_WAIT: if (p->p_flag & P_TRACED) { while (error == 0 && - (p->p_stat != SSTOP) && + (P_SHOULDSTOP(p)) && (p->p_flag & P_TRACED) && (p->p_pptr == td->td_proc)) error = msleep((caddr_t) p, &p->p_mtx, PWAIT|PCATCH, "procfsx", 0); if (error == 0 && !TRACE_WAIT_P(td->td_proc, p)) error = EBUSY; - } else - while (error == 0 && p->p_stat != SSTOP) + } else { + while (error == 0 && P_SHOULDSTOP(p)) error = msleep((caddr_t) p, &p->p_mtx, PWAIT|PCATCH, "procfs", 0); + } PROC_UNLOCK(p); return (error); - default: panic("procfs_control"); } mtx_lock_spin(&sched_lock); - if (p->p_stat == SSTOP) - setrunnable(FIRST_THREAD_IN_PROC(p)); /* XXXKSE */ + thread_unsuspend(p); /* If it can run, let it do so. */ mtx_unlock_spin(&sched_lock); return (0); } @@ -349,6 +349,7 @@ procfs_doprocctl(PFS_FILL_ARGS) #endif mtx_lock_spin(&sched_lock); /* XXXKSE: */ + p->p_flag &= ~P_STOPPED_SGNL; setrunnable(FIRST_THREAD_IN_PROC(p)); mtx_unlock_spin(&sched_lock); } else |