diff options
Diffstat (limited to 'libpager/object-terminate.c')
| -rw-r--r-- | libpager/object-terminate.c | 49 |
1 files changed, 29 insertions, 20 deletions
diff --git a/libpager/object-terminate.c b/libpager/object-terminate.c index bb176cef..b62b87ea 100644 --- a/libpager/object-terminate.c +++ b/libpager/object-terminate.c @@ -15,9 +15,11 @@ 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 when a shutdown has finished. */ -/* This is a dual of seqnos_memory_object_init. */ kern_return_t _pager_seqnos_memory_object_terminate (mach_port_t object, mach_port_seqno_t seqno, @@ -25,8 +27,6 @@ _pager_seqnos_memory_object_terminate (mach_port_t object, mach_port_t name) { struct pager *p; - struct lock_request *lr; - int wakeup; if (!(p = check_port_type (object, pager_port_type))) return EOPNOTSUPP; @@ -42,12 +42,6 @@ _pager_seqnos_memory_object_terminate (mach_port_t object, goto out; } - if (p->pager_type != FILE_DATA && p->pager_type != SINDIR) - { - printf ("unexpected m_o_terminate\n"); - goto out; - } - mutex_lock (&p->interlock); _pager_wait_for_seqno (p, seqno); @@ -58,6 +52,30 @@ _pager_seqnos_memory_object_terminate (mach_port_t object, condition_wait (&p->wakeup, &p->interlock); } + _pager_wait_for_seqno (p, seqno); + + while (p->noterm) + { + p->termwaiting = 1; + condition_wait (&p->wakeup, &p->interlock); + } + + _pager_free_structure (p); + + out: + done_with_port (p); + return 0; +} + +/* Shared code for termination from memory_object_terminate and + no-senders. The pager must be locked. This routine will + deallocate all the ports and memory that pager P references. */ +void +_pager_free_structure (struct pager *p) +{ + int wakeup; + struct lock_request *lr; + wakeup = 0; for (lr = p->lock_requests; lr; lr = lr->next) { @@ -68,8 +86,8 @@ _pager_seqnos_memory_object_terminate (mach_port_t object, if (wakeup) condition_broadcast (&p->wakeup); - mach_port_deallocate (mach_task_self (), control); - mach_port_deallocate (mach_task_self (), name); + mach_port_deallocate (mach_task_self (), p->memobjcntl); + mach_port_deallocate (mach_task_self (), p->memobjname); /* Free the pagemap */ if (p->pagemapsize) @@ -83,13 +101,4 @@ _pager_seqnos_memory_object_terminate (mach_port_t object, _pager_release_seqno (p); mutex_unlock (&p->interlock); - - if (shutting_down) - /* Drop the user reference rather than waiting for the user to do it. */ - done_with_port (p); - - out: - done_with_port (p); - return 0; } - |