diff options
| author | Michael I. Bushnell <mib@gnu.org> | 1994-01-19 18:16:34 +0000 |
|---|---|---|
| committer | Michael I. Bushnell <mib@gnu.org> | 1994-01-19 18:16:34 +0000 |
| commit | a1dd853a4c46796b3f85ceb5465fda66310081c9 (patch) | |
| tree | 00e1783a8fc1947deb47549b392f70898996016e /libpager | |
| parent | 9a6399f425dd06fae8ffb5b15c5d5f5bac121824 (diff) | |
Formerly data-unlock.c.~4~
Diffstat (limited to 'libpager')
| -rw-r--r-- | libpager/data-unlock.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/libpager/data-unlock.c b/libpager/data-unlock.c index 57a55511..475b0364 100644 --- a/libpager/data-unlock.c +++ b/libpager/data-unlock.c @@ -15,6 +15,10 @@ 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> + /* Called by the kernel to request a lock on memory. */ kern_return_t _pager_seqnos_memory_object_data_unlock (mach_port_t object, @@ -26,18 +30,13 @@ _pager_seqnos_memory_object_data_unlock (mach_port_t object, { struct pager *p; volatile int err; - struct inode *volatile ip; - daddr_t newblk; - daddr_t vblkno; - daddr_t *slot; - daddr_t *table; if (!(p = check_port_type (object, pager_port_type))) return EOPNOTSUPP; mutex_lock (&p->interlock); - wait_for_seqno (p, seqno); - release_seqno (p); + _pager_wait_for_seqno (p, seqno); + _pager_release_seqno (p); mutex_unlock (&p->interlock); if (p->pager_state != NORMAL) @@ -68,24 +67,18 @@ _pager_seqnos_memory_object_data_unlock (mach_port_t object, goto out; } - if (shutting_down) - { - /* Let the kernel stew. */ - return EIEIO; - } - err = pager_unlock_page (p->upi, offset); if (!err) /* We can go ahead and release the lock. */ - lock_object (p, offset, length, MEMORY_OBJECT_RETURN_NONE, 0, - VM_PROT_NONE, 0); + _pager_lock_object (p, offset, length, MEMORY_OBJECT_RETURN_NONE, 0, + VM_PROT_NONE, 0); else { /* Flush the page, and set a bit so that m_o_data_request knows to issue an error. */ - lock_object (p, offset, length, MEMORY_OBJECT_RETURN_NONE, 1, - VM_PROT_WRITE, 1); + _pager_lock_object (p, offset, length, MEMORY_OBJECT_RETURN_NONE, 1, + VM_PROT_WRITE, 1); _pager_mark_next_request_error (p, offset, length, err); } out: |