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drm: don't set the signal blocker on the master process. 

this lets us debug the X server through xkb startup.

Not sure what the correct answer is, probably X needs to drop
the lock when execing stuff, with input hotplug it can get
xkb stuff at any time I believe.
main
Dave Airlie 2008-07-25 13:30:08 +10:00 committed by Dave Airlie
parent 66723c09f5
commit 7fd7ba87f3
1 changed files with 13 additions and 8 deletions
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21
linux-core/drm_lock.c
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@ -107,14 +107,19 @@ int drm_lock(struct drm_device *dev, void *data, struct drm_file *file_priv)
ret ? "interrupted" : "has lock");
if (ret) return ret;
sigemptyset(&dev->sigmask);
sigaddset(&dev->sigmask, SIGSTOP);
sigaddset(&dev->sigmask, SIGTSTP);
sigaddset(&dev->sigmask, SIGTTIN);
sigaddset(&dev->sigmask, SIGTTOU);
dev->sigdata.context = lock->context;
dev->sigdata.lock = master->lock.hw_lock;
block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
/* don't set the block all signals on the master process for now
* really probably not the correct answer but lets us debug xkb
* xserver for now */
if (!file_priv->is_master) {
sigemptyset(&dev->sigmask);
sigaddset(&dev->sigmask, SIGSTOP);
sigaddset(&dev->sigmask, SIGTSTP);
sigaddset(&dev->sigmask, SIGTTIN);
sigaddset(&dev->sigmask, SIGTTOU);
dev->sigdata.context = lock->context;
dev->sigdata.lock = master->lock.hw_lock;
block_all_signals(drm_notifier, &dev->sigdata, &dev->sigmask);
}
if (dev->driver->dma_ready && (lock->flags & _DRM_LOCK_READY))
dev->driver->dma_ready(dev);