diff options
| author | jhb <jhb@FreeBSD.org> | 2001-03-07 03:37:06 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2001-03-07 03:37:06 +0000 |
| commit | 9cd254601baefc2dc9c953abe9747717374ff8b1 (patch) | |
| tree | ac4298224e8af28e8b2f904a43a2925c21dfc798 /sys/pci | |
| parent | ace71d59bf35fa6d911520ec855d0100773422a8 (diff) | |
| download | FreeBSD-src-9cd254601baefc2dc9c953abe9747717374ff8b1.zip FreeBSD-src-9cd254601baefc2dc9c953abe9747717374ff8b1.tar.gz | |
Grab the process lock while calling psignal and before calling psignal.
Diffstat (limited to 'sys/pci')
| -rw-r--r-- | sys/pci/meteor.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sys/pci/meteor.c b/sys/pci/meteor.c index d9fe31a..088ca7c 100644 --- a/sys/pci/meteor.c +++ b/sys/pci/meteor.c @@ -649,8 +649,11 @@ meteor_intr(void *arg) * If the user requested to be notified via signal, * let them know the field is complete. */ - if(mtr->proc && (mtr->signal & METEOR_SIG_MODE_MASK)) + if(mtr->proc && (mtr->signal & METEOR_SIG_MODE_MASK)) { + PROC_LOCK(mtr->proc); psignal(mtr->proc, mtr->signal&(~METEOR_SIG_MODE_MASK)); + PROC_UNLOCK(mtr->proc); + } } if (status & 0x2) { /* odd field */ mtr->odd_fields_captured++; @@ -663,8 +666,11 @@ meteor_intr(void *arg) * If the user requested to be notified via signal, * let them know the field is complete. */ - if(mtr->proc && (mtr->signal & METEOR_SIG_MODE_MASK)) + if(mtr->proc && (mtr->signal & METEOR_SIG_MODE_MASK)) { + PROC_LOCK(mtr->proc); psignal(mtr->proc, mtr->signal&(~METEOR_SIG_MODE_MASK)); + PROC_UNLOCK(mtr->proc); + } } /* @@ -696,8 +702,11 @@ meteor_intr(void *arg) * If the user requested to be notified via signal, * let them know the frame is complete. */ - if(mtr->proc && !(mtr->signal & METEOR_SIG_MODE_MASK)) + if(mtr->proc && !(mtr->signal & METEOR_SIG_MODE_MASK)) { + PROC_LOCK(mtr->proc); psignal(mtr->proc, mtr->signal&(~METEOR_SIG_MODE_MASK)); + PROC_UNLOCK(mtr->proc); + } /* * Reset the want flags if in continuous or * synchronous capture mode. |
