summaryrefslogtreecommitdiff
path: root/ide.c
diff options
context:
space:
mode:
authorrtm <rtm>2006-07-15 12:03:57 +0000
committerrtm <rtm>2006-07-15 12:03:57 +0000
commit46bbd72f3eeaff9386b2a90af88f3d46b458a0e8 (patch)
tree31ca93c160a10c50948329b30d27475aa6b38313 /ide.c
parentd9872ffa951291fcc3f7a92c0d235b86435c5714 (diff)
downloadxv6-labs-46bbd72f3eeaff9386b2a90af88f3d46b458a0e8.tar.gz
xv6-labs-46bbd72f3eeaff9386b2a90af88f3d46b458a0e8.tar.bz2
xv6-labs-46bbd72f3eeaff9386b2a90af88f3d46b458a0e8.zip
no more recursive locks
wakeup1() assumes you hold proc_table_lock sleep(chan, lock) provides atomic sleep-and-release to wait for condition ugly code in swtch/scheduler to implement new sleep fix lots of bugs in pipes, wait, and exit fix bugs if timer interrupt goes off in schedule() console locks per line, not per byte
Diffstat (limited to 'ide.c')
-rw-r--r--ide.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ide.c b/ide.c
index 95df053..e1ed25a 100644
--- a/ide.c
+++ b/ide.c
@@ -112,7 +112,7 @@ ide_start_read(uint32_t secno, void *dst, unsigned nsecs)
panic("ide_start_read: nsecs too large");
while ((head + 1) % NREQUEST == tail)
- sleep (&disk_channel);
+ sleep (&disk_channel, 0);
r = &request[head];
r->secno = secno;