xnu-3789.21.4.tar.gz

[apple/xnu.git] / osfmk / ipc / ipc_pset.c

diff --git a/osfmk/ipc/ipc_pset.c b/osfmk/ipc/ipc_pset.c
index f6772f2c7b02bb683998e49775f7f46a1ed7fe24..4dc635a062a1fc1b253a368bc9e260ce0655d49c 100644 (file)
--- a/osfmk/ipc/ipc_pset.c
+++ b/osfmk/ipc/ipc_pset.c
@@ -74,7 +74,6 @@
 #include <ipc/ipc_port.h>
 
 #include <kern/kern_types.h>
-#include <kern/spl.h>
 
 #include <vm/vm_map.h>
 
@@ -321,8 +320,6 @@ void
 ipc_pset_destroy(
        ipc_pset_t      pset)
 {
-       spl_t           s;
-
        assert(ips_active(pset));
 
        pset->ips_object.io_bits &= ~IO_BITS_ACTIVE;
@@ -332,16 +329,14 @@ ipc_pset_destroy(
         * AND remove this message queue from any containing sets
         */
        ipc_mqueue_remove_all(&pset->ips_messages);
-       
+
        /*
         * Set all waiters on the portset running to
         * discover the change.
         */
-       s = splsched();
        imq_lock(&pset->ips_messages);
        ipc_mqueue_changed(&pset->ips_messages);
        imq_unlock(&pset->ips_messages);
-       splx(s);
 
        ipc_mqueue_deinit(&pset->ips_messages);
 
@@ -378,7 +373,6 @@ filt_machportattach(
        ipc_space_t space = current_space();
        ipc_kmsg_t first;
 
-       spl_t s;
        int error;
        int result = 0;
        kern_return_t kr;
@@ -395,10 +389,9 @@ filt_machportattach(
                        __IGNORE_WCASTALIGN(pset = (ipc_pset_t)entry->ie_object);
                        mqueue = &pset->ips_messages;
 
-                       s = splsched();
                        imq_lock(mqueue);
 
-                       /* 
+                       /*
                         * Bind the portset wait queue directly to knote/kqueue.
                         * This allows us to just use wait_queue foo to effect a wakeup,
                         * rather than having to call knote() from the Mach code on each
@@ -412,8 +405,7 @@ filt_machportattach(
                                KNOTE_ATTACH(&mqueue->imq_klist, kn);
                        }
                        imq_unlock(mqueue);
-                       splx(s);
-                       
+
                        is_read_unlock(space);
 
                        /*
@@ -428,7 +420,7 @@ filt_machportattach(
                        __IGNORE_WCASTALIGN(port = (ipc_port_t)entry->ie_object);
                        mqueue = &port->ip_messages;
                        ip_reference(port);
-               
+
                        /*
                         * attach knote to port and determine result
                         * If the filter requested direct message receipt,
@@ -436,7 +428,6 @@ filt_machportattach(
                         * reflect the requested and override qos of the
                         * first message in the queue.
                         */
-                       s = splsched();
                        imq_lock(mqueue);
                        kn->kn_ptr.p_mqueue = mqueue; 
                        KNOTE_ATTACH(&mqueue->imq_klist, kn);
@@ -446,7 +437,6 @@ filt_machportattach(
                                result = 1;
                        }
                        imq_unlock(mqueue);
-                       splx(s);
 
                        is_read_unlock(space);
                        error = 0;
@@ -482,14 +472,11 @@ filt_machportdetach(
 {
        ipc_mqueue_t mqueue = kn->kn_ptr.p_mqueue;
        ipc_object_t object = mqueue_to_object(mqueue);
-       spl_t s;
 
-       s = splsched();
        imq_lock(mqueue);
        KNOTE_DETACH(&mqueue->imq_klist, kn);
        kn->kn_ptr.p_mqueue = IMQ_NULL;
        imq_unlock(mqueue);
-       splx(s);
 
        if (io_otype(object) == IOT_PORT_SET) {
                /*
@@ -558,9 +545,7 @@ filt_machporttouch(
        ipc_mqueue_t mqueue = kn->kn_ptr.p_mqueue;
        ipc_kmsg_t first;
        int result = 0;
-       spl_t s;
 
-       s = splsched();
        imq_lock(mqueue);
 
        /* copy in new settings and save off new input fflags */
@@ -588,7 +573,6 @@ filt_machporttouch(
                                 MACH_MSG_PRIORITY_UNSPECIFIED);
        }
        imq_unlock(mqueue);
-       splx(s);
 
        return result;
 }