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nusbrc: dont fork usb drivers into background

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probing needs to run synchronous to avoid races with other
readers of /dev/usbevent.
This commit is contained in:
cinap_lenrek 2014-06-04 23:59:17 +02:00
parent 93d0474f77
commit 972f60a794
1 changed files with 10 additions and 11 deletions
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21
sys/src/9/boot/nusbrc
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@ -13,26 +13,25 @@ if(! nusb/usbd)
fn attach { fn attach {
switch($2$3){ switch($2$3){
case 0b957720 0b95772a 0db0a877 13b10018 15577720 20013c05 07d13c05 05ac1402 case 0b957720 0b95772a 0db0a877 13b10018 15577720 20013c05 07d13c05 05ac1402
nusb/ether -t a88772 $etherargs $1 & nusb/ether -t a88772 $etherargs $1
case 0b951780 14eaab11 17370039 0411006e 050d5055 case 0b951780 14eaab11 17370039 0411006e 050d5055
nusb/ether -t a88178 $etherargs $1 & nusb/ether -t a88178 $etherargs $1
case 2001abc1 case 2001abc1
nusb/ether -t aue $etherargs $1 & nusb/ether -t aue $etherargs $1
case 0bda8150 case 0bda8150
nusb/ether -t url $etherargs $1 & nusb/ether -t url $etherargs $1
case 18d14ee3 0bb40003 case 18d14ee3 0bb40003
nusb/ether -t rndis $etherargs $1 & nusb/ether -t rndis $etherargs $1
case * case *
switch($4){ switch($4){
case *03 case *03
nusb/kb $1 & nusb/kb $1
case *02 case *02
# CDC ethernet # CDC ethernet
nusb/ether $etherargs $1 & nusb/ether $etherargs $1
case *08 case *08
@{ if(nusb/disk $1) {@{
rfork ne rfork ne
nusb/disk $1
cd '#σ/usb' cd '#σ/usb'
for(dev in sdU^$1.*) if(test -d $dev) { for(dev in sdU^$1.*) if(test -d $dev) {
diskparts $dev diskparts $dev
@ -43,10 +42,10 @@ if(! nusb/usbd)
exit exit
} }
} }
} & }&}
case * case *
if(~ $2 0424) if(~ $2 0424)
nusb/ether -t smsc $etherargs $1 & nusb/ether -t smsc $etherargs $1
} }
} }
} }