xnu-7195.50.7.100.1.tar.gz

[apple/xnu.git] / bsd / kern / sys_eventlink.c

diff --git a/bsd/kern/sys_eventlink.c b/bsd/kern/sys_eventlink.c
new file mode 100644 (file)
index 0000000..7a326d4
--- /dev/null
+++ b/bsd/kern/sys_eventlink.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/kernel_types.h>
+#include <sys/sysproto.h>
+#include <mach/mach_types.h>
+#include <mach/mach_eventlink_types.h>
+
+extern uint64_t
+mach_eventlink_signal_trap(
+       mach_port_name_t port,
+       uint64_t         signal_count __unused);
+
+extern uint64_t
+mach_eventlink_wait_until_trap(
+       mach_port_name_t                    eventlink_port,
+       uint64_t                            wait_count,
+       mach_eventlink_signal_wait_option_t option,
+       kern_clock_id_t                     clock_id,
+       uint64_t                            deadline);
+
+extern uint64_t
+mach_eventlink_signal_wait_until_trap(
+       mach_port_name_t                    eventlink_port,
+       uint64_t                            wait_count,
+       uint64_t                            signal_count __unused,
+       mach_eventlink_signal_wait_option_t option,
+       kern_clock_id_t                     clock_id,
+       uint64_t                            deadline);
+
+int
+mach_eventlink_signal(
+       __unused proc_t p,
+       struct mach_eventlink_signal_args *uap,
+       uint64_t *retval)
+{
+       *retval = mach_eventlink_signal_trap(uap->eventlink_port, uap->signal_count);
+       return 0;
+}
+
+int
+mach_eventlink_wait_until(
+       __unused proc_t p,
+       struct mach_eventlink_wait_until_args *uap,
+       uint64_t *retval)
+{
+       *retval = mach_eventlink_wait_until_trap(uap->eventlink_port, uap->wait_count,
+           uap->option, uap->clock_id, uap->deadline);
+       return 0;
+}
+
+int
+mach_eventlink_signal_wait_until(
+       __unused proc_t p,
+       struct mach_eventlink_signal_wait_until_args *uap,
+       uint64_t *retval)
+{
+       *retval = mach_eventlink_signal_wait_until_trap(uap->eventlink_port, uap->wait_count,
+           uap->signal_count, uap->option, uap->clock_id, uap->deadline);
+       return 0;
+}