diff options
| author | John Baldwin <jhb@FreeBSD.org> | 2001-01-24 10:16:23 +0000 |
|---|---|---|
| committer | John Baldwin <jhb@FreeBSD.org> | 2001-01-24 10:16:23 +0000 |
| commit | 1d64ccdcbb53ef82b249c63f48eb2a62541dd1ef (patch) | |
| tree | 9ef094c50dccdf248e9cc2127010e6a6cd6700d3 /sys/alpha | |
| parent | 0a8ec7a3bd67e28f2f796b762b9c4064257b3b6a (diff) | |
Notes
Diffstat (limited to 'sys/alpha')
| -rw-r--r-- | sys/alpha/alpha/procfs_machdep.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/sys/alpha/alpha/procfs_machdep.c b/sys/alpha/alpha/procfs_machdep.c index 000eb02a0a7f..229d2f9de23d 100644 --- a/sys/alpha/alpha/procfs_machdep.c +++ b/sys/alpha/alpha/procfs_machdep.c @@ -85,8 +85,13 @@ procfs_read_regs(p, regs) struct proc *p; struct reg *regs; { - if ((p->p_flag & P_INMEM) == 0) + + mtx_enter(&sched_lock, MTX_SPIN); + if ((p->p_sflag & PS_INMEM) == 0) { + mtx_exit(&sched_lock, MTX_SPIN); return (EIO); + } + mtx_exit(&sched_lock, MTX_SPIN); return (fill_regs(p, regs)); } @@ -95,8 +100,13 @@ procfs_write_regs(p, regs) struct proc *p; struct reg *regs; { - if ((p->p_flag & P_INMEM) == 0) + + mtx_enter(&sched_lock, MTX_SPIN); + if ((p->p_sflag & PS_INMEM) == 0) { + mtx_exit(&sched_lock, MTX_SPIN); return (EIO); + } + mtx_exit(&sched_lock, MTX_SPIN); return (set_regs(p, regs)); } @@ -110,8 +120,13 @@ procfs_read_fpregs(p, fpregs) struct proc *p; struct fpreg *fpregs; { - if ((p->p_flag & P_INMEM) == 0) + + mtx_enter(&sched_lock, MTX_SPIN); + if ((p->p_sflag & PS_INMEM) == 0) { + mtx_exit(&sched_lock, MTX_SPIN); return (EIO); + } + mtx_exit(&sched_lock, MTX_SPIN); return (fill_fpregs(p, fpregs)); } @@ -120,8 +135,13 @@ procfs_write_fpregs(p, fpregs) struct proc *p; struct fpreg *fpregs; { - if ((p->p_flag & P_INMEM) == 0) + + mtx_enter(&sched_lock, MTX_SPIN); + if ((p->p_sflag & PS_INMEM) == 0) { + mtx_exit(&sched_lock, MTX_SPIN); return (EIO); + } + mtx_exit(&sched_lock, MTX_SPIN); return (set_fpregs(p, fpregs)); } |