Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Wakeup sleeping processes when the ISDN connection gets established 

or disestablished. Hint from Matthias Drochner.
This commit is contained in:
martin 2002-03-18 23:28:03 +00:00
parent f4b38752de
commit af693ebcf6
1 changed files with 17 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
sys/netisdn/i4b_rbch.c
View File

@ -27,7 +27,7 @@
* i4b_rbch.c - device driver for raw B channel data
* ---------------------------------------------------
*
* $Id: i4b_rbch.c,v 1.8 2002/03/17 20:54:05 martin Exp $
* $Id: i4b_rbch.c,v 1.9 2002/03/18 23:28:03 martin Exp $
*
* $FreeBSD$
*
@ -36,7 +36,7 @@
*---------------------------------------------------------------------------*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: i4b_rbch.c,v 1.8 2002/03/17 20:54:05 martin Exp $");
__KERNEL_RCSID(0, "$NetBSD: i4b_rbch.c,v 1.9 2002/03/18 23:28:03 martin Exp $");
#include "isdnbchan.h"
@ -476,6 +476,9 @@ isdnbchanread(dev_t dev, struct uio *uio, int ioflag)
NDBGL4(L4_RBCHDBG, "unit %d, error %d tsleep read", unit, error);
sc->sc_devstate &= ~ST_RDWAITDATA;
return(error);
} else if (!(sc->sc_devstate & ST_CONNECTED)) {
splx(s);
return 0;
}
}
}
@ -591,6 +594,10 @@ isdnbchanwrite(dev_t dev, struct uio * uio, int ioflag)
NDBGL4(L4_RBCHDBG, "unit %d, error %d tsleep write", unit, error);
return(error);
}
else if (!(sc->sc_devstate & ST_CONNECTED)) {
splx(s);
return 0;
}
}
}
}
@ -908,11 +915,12 @@ rbch_connect(void *softc, void *cdp)
#endif
if(!(sc->sc_devstate & ST_CONNECTED))
{
NDBGL4(L4_RBCHDBG, "B channel %d at BRI %d, wakeup",
NDBGL4(L4_RBCHDBG, "B channel %d at BRI %d, wakeup",
cd->channelid, cd->bri);
sc->sc_devstate |= ST_CONNECTED;
sc->sc_cd = cdp;
wakeup((caddr_t)sc);
selwakeup(&sc->selp);
}
}
@ -950,8 +958,14 @@ rbch_disconnect(void *softc, void *cdp)
#endif
sc->sc_cd = NULL;
if (sc->sc_devstate & ST_RDWAITDATA)
wakeup(&sc->sc_ilt->rx_queue);
if (sc->sc_devstate & ST_WRWAITEMPTY)
wakeup(&sc->sc_ilt->tx_queue);
splx(s);
selwakeup(&sc->selp);
}
/*---------------------------------------------------------------------------*