xnu-3247.1.106.tar.gz

[apple/xnu.git] / osfmk / kern / ipc_kobject.c

diff --git a/osfmk/kern/ipc_kobject.c b/osfmk/kern/ipc_kobject.c
index 6fe3e7b9294c01bedadea7b6ec71ced483c51dc4..1789ae5f6bf16346d03b2212d339f71e71fca18f 100644 (file)
--- a/osfmk/kern/ipc_kobject.c
+++ b/osfmk/kern/ipc_kobject.c
@@ -131,6 +131,7 @@
 #include <ipc/ipc_kmsg.h>
 #include <ipc/ipc_port.h>
 #include <ipc/ipc_voucher.h>
+#include <kern/sync_sema.h>
 #include <kern/counters.h>
 
 #include <vm/vm_protos.h>
@@ -532,46 +533,49 @@ ipc_kobject_notify(
        ((mig_reply_error_t *) reply_header)->RetCode = MIG_NO_REPLY;
        switch (request_header->msgh_id) {
                case MACH_NOTIFY_NO_SENDERS:
-                  if (ip_kotype(port) == IKOT_VOUCHER) {
-                          ipc_voucher_notify(request_header);
-                          return TRUE;
-                  }
-                  if (ip_kotype(port) == IKOT_VOUCHER_ATTR_CONTROL) {
-                          ipc_voucher_attr_control_notify(request_header);
-                          return TRUE;
-                  }
-                  if(ip_kotype(port) == IKOT_NAMED_ENTRY) {
-                       ip_lock(port);
-
-                       /*
-                        * Bring the sequence number and mscount in
-                        * line with ipc_port_destroy assertion.
-                        */
-                       port->ip_mscount = 0;
-                       port->ip_messages.imq_seqno = 0;
-                       ipc_port_destroy(port); /* releases lock */
-                       return TRUE;
-                  }
-                  if (ip_kotype(port) == IKOT_UPL) {
-                          upl_no_senders(
-                               request_header->msgh_remote_port, 
-                               (mach_port_mscount_t) 
-                               ((mach_no_senders_notification_t *) 
-                                request_header)->not_count);
-                          reply_header->msgh_remote_port = MACH_PORT_NULL;
-                          return TRUE;
-                  }
+                       switch (ip_kotype(port)) {
+                       case IKOT_VOUCHER:
+                               ipc_voucher_notify(request_header);
+                               return TRUE;
+
+                       case IKOT_VOUCHER_ATTR_CONTROL:
+                               ipc_voucher_attr_control_notify(request_header);
+                               return TRUE;
+
+                       case IKOT_SEMAPHORE:
+                               semaphore_notify(request_header);
+                               return TRUE;
+                               
+                       case IKOT_NAMED_ENTRY:
+                               ip_lock(port);
+
+                               /*
+                                * Bring the sequence number and mscount in
+                                * line with ipc_port_destroy assertion.
+                                */
+                               port->ip_mscount = 0;
+                               port->ip_messages.imq_seqno = 0;
+                               ipc_port_destroy(port); /* releases lock */
+                               return TRUE;
+
+                       case IKOT_UPL:
+                               upl_no_senders(
+                                       request_header->msgh_remote_port, 
+                                       (mach_port_mscount_t) 
+                                       ((mach_no_senders_notification_t *) 
+                                        request_header)->not_count);
+                               reply_header->msgh_remote_port = MACH_PORT_NULL;
+                               return TRUE;
+
 #if    CONFIG_AUDIT
-                  if (ip_kotype(port) == IKOT_AU_SESSIONPORT) {
-                          audit_session_nosenders(request_header);
-                          return TRUE;
-                  }
+                       case IKOT_AU_SESSIONPORT:
+                               audit_session_nosenders(request_header);
+                               return TRUE;
 #endif
-                  if (ip_kotype(port) == IKOT_FILEPORT) {
-                       fileport_notify(request_header);
-                       return TRUE;
-                  }
-
+                       case IKOT_FILEPORT:
+                               fileport_notify(request_header);
+                               return TRUE;
+                       }
                   break;
 
                case MACH_NOTIFY_PORT_DELETED: