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authorMichael I. Bushnell <mib@gnu.org>1994-01-17 21:38:25 +0000
committerMichael I. Bushnell <mib@gnu.org>1994-01-17 21:38:25 +0000
commit29d644ae18cca946e5b9e1e2c61a79effeffb625 (patch)
treed58d8640f27df2f63b0d9a05a87b0754be5f0554 /libpager/pager-shutdown.c
parent972e44bd8427f9c37f14bd46cccbae17acbf7b99 (diff)
Initial revision
Diffstat (limited to 'libpager/pager-shutdown.c')
-rw-r--r--libpager/pager-shutdown.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/libpager/pager-shutdown.c b/libpager/pager-shutdown.c
new file mode 100644
index 00000000..f8f4cb7c
--- /dev/null
+++ b/libpager/pager-shutdown.c
@@ -0,0 +1,41 @@
+/* Pager shutdown in pager library
+ Copyright (C) 1994 Free Software Foundation
+
+ This program is free software; you can redistribute it and/or
+ modify it under the terms of the GNU General Public License as
+ published by the Free Software Foundation; either version 2, or (at
+ your option) any later version.
+
+ This program is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+
+void
+pager_shutdown_pager (struct pager *p)
+{
+ mach_port_t port;
+
+ /* Sync and flush pager */
+ pager_sync (p, 1);
+ pager_flush (p, 1);
+ mutex_lock (&p->interlock);
+ p->pager_state = SHUTDOWN;
+
+ /* Cancel the pending no-senders notification. */
+ mach_port_request_notification (mach_task_self (), p->port.port,
+ MACH_NOTIFY_NO_SENDERS, 0, MACH_PORT_NULL,
+ MACH_MSG_TYPE_MAKE_SEND_ONCE, &port);
+
+ if (port)
+ {
+ done_with_port (p); /* pretend send right has died */
+ mach_port_deallocate (mach_task_self (), port);
+ }
+}
+