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authorMichael I. Bushnell <mib@gnu.org>1994-01-19 18:25:59 +0000
committerMichael I. Bushnell <mib@gnu.org>1994-01-19 18:25:59 +0000
commit47131051c6e4e8b4d2ab9eab4c309d59f0ddbd6a (patch)
treea7e887b0323749a97adacb2e926a9774bc1ff5bc /libpager/lock-completed.c
parent26e8879c74bed7f9d07826a86601ff3d50a4cda1 (diff)
Formerly lock-completed.c.~3~
Diffstat (limited to 'libpager/lock-completed.c')
-rw-r--r--libpager/lock-completed.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/libpager/lock-completed.c b/libpager/lock-completed.c
index fd42d82a..5ddd005c 100644
--- a/libpager/lock-completed.c
+++ b/libpager/lock-completed.c
@@ -15,26 +15,30 @@
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+#include "priv.h"
+#include "memory_object.h"
+#include <stdio.h>
/* A lock_request has finished. Do our part of the wakeup
process. */
+error_t
_pager_seqnos_memory_object_lock_completed (mach_port_t object,
mach_port_seqno_t seqno,
mach_port_t control,
vm_offset_t offset,
vm_size_t length)
{
- struct controlinfo *ci;
+ struct pager *p;
struct lock_request *lr;
int wakeup;
- if (!(ci = check_port_type (object, pager_port_type)))
+ if (!(p = check_port_type (object, pager_port_type)))
{
printf ("Bad lock completed\n");
return EOPNOTSUPP;
}
- if (control != ci->memobjcntl)
+ if (control != p->memobjcntl)
{
printf ("lock_completed: bad control port\n");
return EPERM;
@@ -42,18 +46,18 @@ _pager_seqnos_memory_object_lock_completed (mach_port_t object,
mach_port_deallocate (mach_task_self (), control);
- mutex_lock (&ci->interlock);
- _pager_wait_for_seqno (ci, seqno);
+ mutex_lock (&p->interlock);
+ _pager_wait_for_seqno (p, seqno);
wakeup = 0;
- for (lr = ci->lock_requests; lr; lr = lr->next)
+ for (lr = p->lock_requests; lr; lr = lr->next)
if (lr->start == offset && lr->end == offset + length
&& !--lr->locks_pending && !lr->pending_writes)
wakeup = 1;
- condition_broadcast (&ci->wakeup);
+ condition_broadcast (&p->wakeup);
- _pager_release_seqno (ci);
- mutex_unlock (&ci->interlock);
+ _pager_release_seqno (p);
+ mutex_unlock (&p->interlock);
return 0;
}