* Copyright (c) 2000-2006 Apple Computer, 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
* 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,
* 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@
*/
/*
* @OSF_COPYRIGHT@
*/
-/*
+/*
* Mach Operating System
* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
* All Rights Reserved.
- *
+ *
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
- *
+ *
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
+ *
* Carnegie Mellon requests users of this software to return to
- *
+ *
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
- *
+ *
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
* also exist).
*
* Unique collections of these endpoints are maintained for each
- * Mach task. Each Mach port in the task's collection is given a
+ * Mach task. Each Mach port in the task's collection is given a
* [task-local] name to identify it - and the the various "rights"
* held by the task for that specific endpoint.
*
*
*/
-#ifndef _MACH_PORT_H_
+#ifndef _MACH_PORT_H_
#define _MACH_PORT_H_
#include <sys/cdefs.h>
* See mach_port_t for a type that implies a "named right."
*
*/
-
+
typedef natural_t mach_port_name_t;
typedef mach_port_name_t *mach_port_name_array_t;
-#ifdef KERNEL
+#ifdef KERNEL
-/*
+/*
* mach_port_t - a named port right
*
* In the kernel, "rights" are represented [named] by pointers to
* code - including, but not limited to, Mach IPC code - lives in the
* limbo between the current user-level task and the "next" task. Very
* little of the kernel code runs in full kernel task context. So very
- * little of it gets to use the kernel task's port name space.
+ * little of it gets to use the kernel task's port name space.
*
* Because of this implementation approach, all in-kernel rights for
* a given port coalesce [have the same name/pointer]. The actual
*
*/
-#ifndef MACH_KERNEL_PRIVATE
+#ifndef MACH_KERNEL_PRIVATE
/*
* For kernel code that resides outside of Mach proper, we opaque the
* port structure definition.
*/
-struct ipc_port ;
+struct ipc_port;
-#endif /* MACH_KERNEL_PRIVATE */
+#endif /* MACH_KERNEL_PRIVATE */
-typedef struct ipc_port *ipc_port_t;
+typedef struct ipc_port *ipc_port_t;
-#define IPC_PORT_NULL ((ipc_port_t) 0)
-#define IPC_PORT_DEAD ((ipc_port_t)~0)
+#define IPC_PORT_NULL ((ipc_port_t) NULL)
+#define IPC_PORT_DEAD ((ipc_port_t)~0UL)
#define IPC_PORT_VALID(port) \
((port) != IPC_PORT_NULL && (port) != IPC_PORT_DEAD)
-typedef ipc_port_t mach_port_t;
+typedef ipc_port_t mach_port_t;
+
+/*
+ * Since the 32-bit and 64-bit representations of ~0 are different,
+ * explicitly handle MACH_PORT_DEAD
+ */
+
+#define CAST_MACH_PORT_TO_NAME(x) ((mach_port_name_t)(uintptr_t)(x))
+#define CAST_MACH_NAME_TO_PORT(x) ((x) == MACH_PORT_DEAD ? (mach_port_t)IPC_PORT_DEAD : (mach_port_t)(uintptr_t)(x))
-#else /* KERNEL */
+#else /* KERNEL */
-/*
+/*
* mach_port_t - a named port right
*
* In user-space, "rights" are represented by the name of the
* right in the Mach port namespace. Even so, this type is
* presented as a unique one to more clearly denote the presence
- * of a right coming along with the name.
+ * of a right coming along with the name.
*
* Often, various rights for a port held in a single name space
* will coalesce and are, therefore, be identified by a single name
* [this is the case for send and receive rights]. But not
* always [send-once rights currently get a unique name for
- * each right].
+ * each right].
*
*/
-#ifndef _MACH_PORT_T
-#define _MACH_PORT_T
-typedef mach_port_name_t mach_port_t;
-#endif
+#include <sys/_types.h>
+#include <sys/_types/_mach_port_t.h>
-#endif /* KERNEL */
+#endif /* KERNEL */
-typedef mach_port_t *mach_port_array_t;
+typedef mach_port_t *mach_port_array_t;
/*
* MACH_PORT_NULL is a legal value that can be carried in messages.
* that a port right was present, but it died.
*/
-#define MACH_PORT_NULL 0 /* intentional loose typing */
-#define MACH_PORT_DEAD ((mach_port_name_t) ~0)
-#define MACH_PORT_VALID(name) \
- (((name) != MACH_PORT_NULL) && \
- ((name) != MACH_PORT_DEAD))
+#if defined(XNU_KERNEL_PRIVATE) && defined(__cplusplus)
+#define MACH_PORT_NULL NULL
+#else
+#define MACH_PORT_NULL 0 /* intentional loose typing */
+#endif
+#define MACH_PORT_DEAD ((mach_port_name_t) ~0)
+#define MACH_PORT_VALID(name) \
+ (((name) != MACH_PORT_NULL) && \
+ ((name) != MACH_PORT_DEAD))
/*
*
*/
-#ifndef NO_PORT_GEN
+#ifndef NO_PORT_GEN
-#define MACH_PORT_INDEX(name) ((name) >> 8)
-#define MACH_PORT_GEN(name) (((name) & 0xff) << 24)
-#define MACH_PORT_MAKE(index, gen) \
- (((index) << 8) | (gen) >> 24)
+#define MACH_PORT_INDEX(name) ((name) >> 8)
+#define MACH_PORT_GEN(name) (((name) & 0xff) << 24)
+#define MACH_PORT_MAKE(index, gen) \
+ (((index) << 8) | (gen) >> 24)
-#else /* NO_PORT_GEN */
+#else /* NO_PORT_GEN */
-#define MACH_PORT_INDEX(name) (name)
-#define MACH_PORT_GEN(name) (0)
-#define MACH_PORT_MAKE(index, gen) (index)
+#define MACH_PORT_INDEX(name) (name)
+#define MACH_PORT_GEN(name) (0)
+#define MACH_PORT_MAKE(index, gen) (index)
-#endif /* NO_PORT_GEN */
+#endif /* NO_PORT_GEN */
/*
typedef natural_t mach_port_right_t;
-#define MACH_PORT_RIGHT_SEND ((mach_port_right_t) 0)
-#define MACH_PORT_RIGHT_RECEIVE ((mach_port_right_t) 1)
-#define MACH_PORT_RIGHT_SEND_ONCE ((mach_port_right_t) 2)
-#define MACH_PORT_RIGHT_PORT_SET ((mach_port_right_t) 3)
-#define MACH_PORT_RIGHT_DEAD_NAME ((mach_port_right_t) 4)
-#define MACH_PORT_RIGHT_LABELH ((mach_port_right_t) 5)
-#define MACH_PORT_RIGHT_NUMBER ((mach_port_right_t) 6)
+#define MACH_PORT_RIGHT_SEND ((mach_port_right_t) 0)
+#define MACH_PORT_RIGHT_RECEIVE ((mach_port_right_t) 1)
+#define MACH_PORT_RIGHT_SEND_ONCE ((mach_port_right_t) 2)
+#define MACH_PORT_RIGHT_PORT_SET ((mach_port_right_t) 3)
+#define MACH_PORT_RIGHT_DEAD_NAME ((mach_port_right_t) 4)
+#define MACH_PORT_RIGHT_LABELH ((mach_port_right_t) 5) /* obsolete right */
+#define MACH_PORT_RIGHT_NUMBER ((mach_port_right_t) 6) /* right not implemented */
+
+#ifdef MACH_KERNEL_PRIVATE
+#define MACH_PORT_RIGHT_VALID_TRANSLATE(right) \
+ ((right) >= MACH_PORT_RIGHT_SEND && (right) <= MACH_PORT_RIGHT_DEAD_NAME)
+#endif
typedef natural_t mach_port_type_t;
typedef mach_port_type_t *mach_port_type_array_t;
-#define MACH_PORT_TYPE(right) \
- ((mach_port_type_t)(((mach_port_type_t) 1) \
- << ((right) + ((mach_port_right_t) 16))))
-#define MACH_PORT_TYPE_NONE ((mach_port_type_t) 0L)
-#define MACH_PORT_TYPE_SEND MACH_PORT_TYPE(MACH_PORT_RIGHT_SEND)
-#define MACH_PORT_TYPE_RECEIVE MACH_PORT_TYPE(MACH_PORT_RIGHT_RECEIVE)
+#define MACH_PORT_TYPE(right) \
+ ((mach_port_type_t)(((mach_port_type_t) 1) \
+ << ((right) + ((mach_port_right_t) 16))))
+#define MACH_PORT_TYPE_NONE ((mach_port_type_t) 0L)
+#define MACH_PORT_TYPE_SEND MACH_PORT_TYPE(MACH_PORT_RIGHT_SEND)
+#define MACH_PORT_TYPE_RECEIVE MACH_PORT_TYPE(MACH_PORT_RIGHT_RECEIVE)
#define MACH_PORT_TYPE_SEND_ONCE MACH_PORT_TYPE(MACH_PORT_RIGHT_SEND_ONCE)
-#define MACH_PORT_TYPE_PORT_SET MACH_PORT_TYPE(MACH_PORT_RIGHT_PORT_SET)
+#define MACH_PORT_TYPE_PORT_SET MACH_PORT_TYPE(MACH_PORT_RIGHT_PORT_SET)
#define MACH_PORT_TYPE_DEAD_NAME MACH_PORT_TYPE(MACH_PORT_RIGHT_DEAD_NAME)
-#define MACH_PORT_TYPE_LABELH MACH_PORT_TYPE(MACH_PORT_RIGHT_LABELH)
+#define MACH_PORT_TYPE_LABELH MACH_PORT_TYPE(MACH_PORT_RIGHT_LABELH) /* obsolete */
+
+
+#ifdef MACH_KERNEL_PRIVATE
+/* Holder used to have a receive right - remembered to filter exceptions */
+#define MACH_PORT_TYPE_EX_RECEIVE MACH_PORT_TYPE_LABELH
+#endif
/* Convenient combinations. */
-#define MACH_PORT_TYPE_SEND_RECEIVE \
- (MACH_PORT_TYPE_SEND|MACH_PORT_TYPE_RECEIVE)
-#define MACH_PORT_TYPE_SEND_RIGHTS \
- (MACH_PORT_TYPE_SEND|MACH_PORT_TYPE_SEND_ONCE)
-#define MACH_PORT_TYPE_PORT_RIGHTS \
- (MACH_PORT_TYPE_SEND_RIGHTS|MACH_PORT_TYPE_RECEIVE)
-#define MACH_PORT_TYPE_PORT_OR_DEAD \
- (MACH_PORT_TYPE_PORT_RIGHTS|MACH_PORT_TYPE_DEAD_NAME)
-#define MACH_PORT_TYPE_ALL_RIGHTS \
- (MACH_PORT_TYPE_PORT_OR_DEAD|MACH_PORT_TYPE_PORT_SET)
+#define MACH_PORT_TYPE_SEND_RECEIVE \
+ (MACH_PORT_TYPE_SEND|MACH_PORT_TYPE_RECEIVE)
+#define MACH_PORT_TYPE_SEND_RIGHTS \
+ (MACH_PORT_TYPE_SEND|MACH_PORT_TYPE_SEND_ONCE)
+#define MACH_PORT_TYPE_PORT_RIGHTS \
+ (MACH_PORT_TYPE_SEND_RIGHTS|MACH_PORT_TYPE_RECEIVE)
+#define MACH_PORT_TYPE_PORT_OR_DEAD \
+ (MACH_PORT_TYPE_PORT_RIGHTS|MACH_PORT_TYPE_DEAD_NAME)
+#define MACH_PORT_TYPE_ALL_RIGHTS \
+ (MACH_PORT_TYPE_PORT_OR_DEAD|MACH_PORT_TYPE_PORT_SET)
/* Dummy type bits that mach_port_type/mach_port_names can return. */
-#define MACH_PORT_TYPE_DNREQUEST 0x80000000
+#define MACH_PORT_TYPE_DNREQUEST 0x80000000
+#define MACH_PORT_TYPE_SPREQUEST 0x40000000
+#define MACH_PORT_TYPE_SPREQUEST_DELAYED 0x20000000
/* User-references for capabilities. */
typedef natural_t mach_port_urefs_t;
-typedef integer_t mach_port_delta_t; /* change in urefs */
+typedef integer_t mach_port_delta_t; /* change in urefs */
/* Attributes of ports. (See mach_port_get_receive_status.) */
-typedef natural_t mach_port_seqno_t; /* sequence number */
-typedef natural_t mach_port_mscount_t; /* make-send count */
-typedef natural_t mach_port_msgcount_t; /* number of msgs */
-typedef natural_t mach_port_rights_t; /* number of rights */
+typedef natural_t mach_port_seqno_t; /* sequence number */
+typedef natural_t mach_port_mscount_t; /* make-send count */
+typedef natural_t mach_port_msgcount_t; /* number of msgs */
+typedef natural_t mach_port_rights_t; /* number of rights */
/*
* Are there outstanding send rights for a given port?
*/
-#define MACH_PORT_SRIGHTS_NONE 0 /* no srights */
-#define MACH_PORT_SRIGHTS_PRESENT 1 /* srights */
-typedef unsigned int mach_port_srights_t; /* status of send rights */
+#define MACH_PORT_SRIGHTS_NONE 0 /* no srights */
+#define MACH_PORT_SRIGHTS_PRESENT 1 /* srights */
+typedef unsigned int mach_port_srights_t; /* status of send rights */
typedef struct mach_port_status {
- mach_port_rights_t mps_pset; /* count of containing port sets */
- mach_port_seqno_t mps_seqno; /* sequence number */
- mach_port_mscount_t mps_mscount; /* make-send count */
- mach_port_msgcount_t mps_qlimit; /* queue limit */
- mach_port_msgcount_t mps_msgcount; /* number in the queue */
- mach_port_rights_t mps_sorights; /* how many send-once rights */
- boolean_t mps_srights; /* do send rights exist? */
- boolean_t mps_pdrequest; /* port-deleted requested? */
- boolean_t mps_nsrequest; /* no-senders requested? */
- natural_t mps_flags; /* port flags */
+ mach_port_rights_t mps_pset; /* count of containing port sets */
+ mach_port_seqno_t mps_seqno; /* sequence number */
+ mach_port_mscount_t mps_mscount; /* make-send count */
+ mach_port_msgcount_t mps_qlimit; /* queue limit */
+ mach_port_msgcount_t mps_msgcount; /* number in the queue */
+ mach_port_rights_t mps_sorights; /* how many send-once rights */
+ boolean_t mps_srights; /* do send rights exist? */
+ boolean_t mps_pdrequest; /* port-deleted requested? */
+ boolean_t mps_nsrequest; /* no-senders requested? */
+ natural_t mps_flags; /* port flags */
} mach_port_status_t;
/* System-wide values for setting queue limits on a port */
-#define MACH_PORT_QLIMIT_ZERO ((mach_port_msgcount_t) 0)
-#define MACH_PORT_QLIMIT_BASIC ((mach_port_msgcount_t) 5)
-#define MACH_PORT_QLIMIT_SMALL ((mach_port_msgcount_t) 16)
-#define MACH_PORT_QLIMIT_LARGE ((mach_port_msgcount_t) 1024)
-#define MACH_PORT_QLIMIT_KERNEL ((mach_port_msgcount_t) 65536)
-#define MACH_PORT_QLIMIT_MIN MACH_PORT_QLIMIT_ZERO
-#define MACH_PORT_QLIMIT_DEFAULT MACH_PORT_QLIMIT_BASIC
-#define MACH_PORT_QLIMIT_MAX MACH_PORT_QLIMIT_LARGE
+#define MACH_PORT_QLIMIT_ZERO (0)
+#define MACH_PORT_QLIMIT_BASIC (5)
+#define MACH_PORT_QLIMIT_SMALL (16)
+#define MACH_PORT_QLIMIT_LARGE (1024)
+#define MACH_PORT_QLIMIT_KERNEL (65534)
+#define MACH_PORT_QLIMIT_MIN MACH_PORT_QLIMIT_ZERO
+#define MACH_PORT_QLIMIT_DEFAULT MACH_PORT_QLIMIT_BASIC
+#define MACH_PORT_QLIMIT_MAX MACH_PORT_QLIMIT_LARGE
typedef struct mach_port_limits {
- mach_port_msgcount_t mpl_qlimit; /* number of msgs */
+ mach_port_msgcount_t mpl_qlimit; /* number of msgs */
} mach_port_limits_t;
-typedef integer_t *mach_port_info_t; /* varying array of natural_t */
+/* Possible values for mps_flags (part of mach_port_status_t) */
+#define MACH_PORT_STATUS_FLAG_TEMPOWNER 0x01
+#define MACH_PORT_STATUS_FLAG_GUARDED 0x02
+#define MACH_PORT_STATUS_FLAG_STRICT_GUARD 0x04
+#define MACH_PORT_STATUS_FLAG_IMP_DONATION 0x08
+#define MACH_PORT_STATUS_FLAG_REVIVE 0x10
+#define MACH_PORT_STATUS_FLAG_TASKPTR 0x20
+#define MACH_PORT_STATUS_FLAG_GUARD_IMMOVABLE_RECEIVE 0x40
+#define MACH_PORT_STATUS_FLAG_NO_GRANT 0x80
-/* Flavors for mach_port_get/set_attributes() */
-typedef int mach_port_flavor_t;
-#define MACH_PORT_LIMITS_INFO 1 /* uses mach_port_status_t */
-#define MACH_PORT_RECEIVE_STATUS 2 /* uses mach_port_limits_t */
-#define MACH_PORT_DNREQUESTS_SIZE 3 /* info is int */
+typedef struct mach_port_info_ext {
+ mach_port_status_t mpie_status;
+ mach_port_msgcount_t mpie_boost_cnt;
+ uint32_t reserved[6];
+} mach_port_info_ext_t;
+
+typedef integer_t *mach_port_info_t; /* varying array of natural_t */
-#define MACH_PORT_LIMITS_INFO_COUNT ((natural_t) \
+/* Flavors for mach_port_get/set_attributes() */
+typedef int mach_port_flavor_t;
+#define MACH_PORT_LIMITS_INFO 1 /* uses mach_port_limits_t */
+#define MACH_PORT_RECEIVE_STATUS 2 /* uses mach_port_status_t */
+#define MACH_PORT_DNREQUESTS_SIZE 3 /* info is int */
+#define MACH_PORT_TEMPOWNER 4 /* indicates receive right will be reassigned to another task */
+#define MACH_PORT_IMPORTANCE_RECEIVER 5 /* indicates recieve right accepts priority donation */
+#define MACH_PORT_DENAP_RECEIVER 6 /* indicates receive right accepts de-nap donation */
+#define MACH_PORT_INFO_EXT 7 /* uses mach_port_info_ext_t */
+
+#define MACH_PORT_LIMITS_INFO_COUNT ((natural_t) \
(sizeof(mach_port_limits_t)/sizeof(natural_t)))
-#define MACH_PORT_RECEIVE_STATUS_COUNT ((natural_t) \
+#define MACH_PORT_RECEIVE_STATUS_COUNT ((natural_t) \
(sizeof(mach_port_status_t)/sizeof(natural_t)))
#define MACH_PORT_DNREQUESTS_SIZE_COUNT 1
-
+#define MACH_PORT_INFO_EXT_COUNT ((natural_t) \
+ (sizeof(mach_port_info_ext_t)/sizeof(natural_t)))
/*
* Structure used to pass information about port allocation requests.
* Must be padded to 64-bits total length.
*/
typedef struct mach_port_qos {
- unsigned int name:1; /* name given */
- unsigned int prealloc:1; /* prealloced message */
- boolean_t pad1:30;
- natural_t len;
+ unsigned int name:1; /* name given */
+ unsigned int prealloc:1; /* prealloced message */
+ boolean_t pad1:30;
+ natural_t len;
} mach_port_qos_t;
-#if !__DARWIN_UNIX03 && !defined(_NO_PORT_T_FROM_MACH)
+/* Mach Port Guarding definitions */
+
+/*
+ * Flags for mach_port_options (used for
+ * invocation of mach_port_construct).
+ * Indicates attributes to be set for the newly
+ * allocated port.
+ */
+#define MPO_CONTEXT_AS_GUARD 0x01 /* Add guard to the port */
+#define MPO_QLIMIT 0x02 /* Set qlimit for the port msg queue */
+#define MPO_TEMPOWNER 0x04 /* Set the tempowner bit of the port */
+#define MPO_IMPORTANCE_RECEIVER 0x08 /* Mark the port as importance receiver */
+#define MPO_INSERT_SEND_RIGHT 0x10 /* Insert a send right for the port */
+#define MPO_STRICT 0x20 /* Apply strict guarding for port */
+#define MPO_DENAP_RECEIVER 0x40 /* Mark the port as App de-nap receiver */
+#define MPO_IMMOVABLE_RECEIVE 0x80 /* Mark the port as immovable; protected by the guard context */
+/*
+ * Structure to define optional attributes for a newly
+ * constructed port.
+ */
+typedef struct mach_port_options {
+ uint32_t flags; /* Flags defining attributes for port */
+ mach_port_limits_t mpl; /* Message queue limit for port */
+ uint64_t reserved[2]; /* Reserved */
+}mach_port_options_t;
+
+typedef mach_port_options_t *mach_port_options_ptr_t;
+
+/*
+ * EXC_GUARD represents a guard violation for both
+ * mach ports and file descriptors. GUARD_TYPE_ is used
+ * to differentiate among them.
+ */
+#define GUARD_TYPE_MACH_PORT 0x1
+
+/* Reasons for exception for a guarded mach port */
+enum mach_port_guard_exception_codes {
+ kGUARD_EXC_DESTROY = 1u << 0,
+ kGUARD_EXC_MOD_REFS = 1u << 1,
+ kGUARD_EXC_SET_CONTEXT = 1u << 2,
+ kGUARD_EXC_UNGUARDED = 1u << 3,
+ kGUARD_EXC_INCORRECT_GUARD = 1u << 4,
+ kGUARD_EXC_IMMOVABLE = 1u << 5,
+ kGUARD_EXC_STRICT_REPLY = 1u << 6,
+ /* start of [optionally] non-fatal guards */
+ kGUARD_EXC_INVALID_RIGHT = 1u << 8,
+ kGUARD_EXC_INVALID_NAME = 1u << 9,
+ kGUARD_EXC_INVALID_VALUE = 1u << 10,
+ kGUARD_EXC_INVALID_ARGUMENT = 1u << 11,
+ kGUARD_EXC_RIGHT_EXISTS = 1u << 12,
+ kGUARD_EXC_KERN_NO_SPACE = 1u << 13,
+ kGUARD_EXC_KERN_FAILURE = 1u << 14,
+ kGUARD_EXC_KERN_RESOURCE = 1u << 15,
+ kGUARD_EXC_SEND_INVALID_REPLY = 1u << 16,
+ kGUARD_EXC_SEND_INVALID_VOUCHER = 1u << 17,
+ kGUARD_EXC_SEND_INVALID_RIGHT = 1u << 18,
+ kGUARD_EXC_RCV_INVALID_NAME = 1u << 19,
+ kGUARD_EXC_RCV_GUARDED_DESC = 1u << 20, /* should never be fatal; for development only */
+};
+
+#define MAX_FATAL_kGUARD_EXC_CODE (1u << 6)
+
+/*
+ * These flags are used as bits in the subcode of kGUARD_EXC_STRICT_REPLY exceptions.
+ */
+#define MPG_FLAGS_STRICT_REPLY_INVALID_REPLY_DISP (0x01ull << 56)
+#define MPG_FLAGS_STRICT_REPLY_INVALID_REPLY_PORT (0x02ull << 56)
+#define MPG_FLAGS_STRICT_REPLY_INVALID_VOUCHER (0x04ull << 56)
+#define MPG_FLAGS_STRICT_REPLY_NO_BANK_ATTR (0x08ull << 56)
+#define MPG_FLAGS_STRICT_REPLY_MISMATCHED_PERSONA (0x10ull << 56)
+#define MPG_FLAGS_STRICT_REPLY_MASK (0xffull << 56)
+
+/*
+ * Flags for mach_port_guard_with_flags. These flags extend
+ * the attributes associated with a guarded port.
+ */
+#define MPG_STRICT 0x01 /* Apply strict guarding for a port */
+#define MPG_IMMOVABLE_RECEIVE 0x02 /* Receive right cannot be moved out of the space */
+
+#if !__DARWIN_UNIX03 && !defined(_NO_PORT_T_FROM_MACH)
/*
* Mach 3.0 renamed everything to have mach_ in front of it.
* These types and macros are provided for backward compatibility
* but are deprecated.
*/
-typedef mach_port_t port_t;
-typedef mach_port_name_t port_name_t;
-typedef mach_port_name_t *port_name_array_t;
+typedef mach_port_t port_t;
+typedef mach_port_name_t port_name_t;
+typedef mach_port_name_t *port_name_array_t;
-#define PORT_NULL ((port_t) 0)
-#define PORT_DEAD ((port_t) ~0)
+#define PORT_NULL ((port_t) 0)
+#define PORT_DEAD ((port_t) ~0)
#define PORT_VALID(name) \
- ((port_t)(name) != PORT_NULL && (port_t)(name) != PORT_DEAD)
+ ((port_t)(name) != PORT_NULL && (port_t)(name) != PORT_DEAD)
-#endif /* !__DARWIN_UNIX03 && !_NO_PORT_T_FROM_MACH */
+#endif /* !__DARWIN_UNIX03 && !_NO_PORT_T_FROM_MACH */
-#endif /* _MACH_PORT_H_ */
+#endif /* _MACH_PORT_H_ */
projects / apple / xnu.git / blobdiff