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Oops, forgot one patch for the changed selwakeup, fixed.

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This commit is contained in:
Søren Schmidt 1994-09-29 21:11:29 +00:00
parent 1dcd7de0c3
commit f880ac76c8
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=3210
1 changed files with 9 additions and 10 deletions
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19
sys/i386/isa/pcaudio.c
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@ -25,7 +25,7 @@
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: pcaudio.c,v 1.7 1994/09/16 13:33:47 davidg Exp $
* $Id: pcaudio.c,v 1.8 1994/09/29 08:24:43 sos Exp $
*/
#include "pca.h"
@ -63,8 +63,7 @@ static struct pca_status {
char current; /* current buffer */
unsigned char oldval; /* old timer port value */
char timer_on; /* is playback running */
char coll; /* select collision */
pid_t wsel; /* pid of select'ing proc */
struct selinfo wsel; /* select status */
} pca_status;
static char buffer1[BUF_SIZE];
@ -393,10 +392,10 @@ pcaintr(int regs)
wakeup((caddr_t)&pca_sleep);
pca_sleep = 0;
}
if (pca_status.wsel) {
selwakeup(pca_status.wsel, pca_status.coll);
pca_status.wsel = 0;
pca_status.coll = 0;
if (pca_status.wsel.si_pid) {
selwakeup((struct selinfo *)&pca_status.wsel.si_pid);
pca_status.wsel.si_pid = 0;
pca_status.wsel.si_flags = 0;
}
}
}
@ -415,11 +414,11 @@ pcaselect(dev_t dev, int rw, struct proc *p)
splx(s);
return(1);
}
if (pca_status.wsel && (p1 = pfind(pca_status.wsel))
if (pca_status.wsel.si_pid && (p1=pfind(pca_status.wsel.si_pid))
&& p1->p_wchan == (caddr_t)&selwait)
pca_status.coll = 1;
pca_status.wsel.si_flags = SI_COLL;
else
pca_status.wsel = p->p_pid;
pca_status.wsel.si_pid = p->p_pid;
splx(s);
return 0;
default: