#ifndef _IPC_IPC_PORT_H_
#define _IPC_IPC_PORT_H_
#if MACH_KERNEL_PRIVATE
#include <mach_rt.h>
#include <mach_assert.h>
#include <mach_debug.h>
#include <mach/mach_types.h>
#include <mach/boolean.h>
#include <mach/kern_return.h>
#include <mach/port.h>
#include <kern/assert.h>
#include <kern/kern_types.h>
#include <ipc/ipc_types.h>
#include <ipc/ipc_object.h>
#include <ipc/ipc_mqueue.h>
#include <ipc/ipc_space.h>
#include <security/_label.h>
typedef unsigned int ipc_port_timestamp_t;
struct ipc_port {
struct ipc_object ip_object;
struct ipc_mqueue ip_messages;
natural_t ip_sprequests:1,
ip_spimportant:1,
ip_impdonation:1,
ip_tempowner:1,
ip_guarded:1,
ip_strict_guard:1,
ip_reserved:2,
ip_impcount:24;
union {
struct ipc_space *receiver;
struct ipc_port *destination;
ipc_port_timestamp_t timestamp;
} data;
union {
ipc_kobject_t kobject;
ipc_importance_task_t imp_task;
uintptr_t alias;
} kdata;
struct ipc_port *ip_nsrequest;
struct ipc_port *ip_pdrequest;
struct ipc_port_request *ip_requests;
struct ipc_kmsg *ip_premsg;
mach_vm_address_t ip_context;
mach_port_mscount_t ip_mscount;
mach_port_rights_t ip_srights;
mach_port_rights_t ip_sorights;
#if MACH_ASSERT
#define IP_NSPARES 4
#define IP_CALLSTACK_MAX 16
thread_t ip_thread;
unsigned long ip_timetrack;
uintptr_t ip_callstack[IP_CALLSTACK_MAX];
unsigned long ip_spares[IP_NSPARES];
#endif
} __attribute__((__packed__));
#define ip_references ip_object.io_references
#define ip_bits ip_object.io_bits
#define ip_receiver_name ip_messages.imq_receiver_name
#define ip_in_pset ip_messages.imq_in_pset
#define ip_receiver data.receiver
#define ip_destination data.destination
#define ip_timestamp data.timestamp
#define ip_kobject kdata.kobject
#define ip_imp_task kdata.imp_task
#define ip_alias kdata.alias
#define IP_NULL IPC_PORT_NULL
#define IP_DEAD IPC_PORT_DEAD
#define IP_VALID(port) IPC_PORT_VALID(port)
#define ip_active(port) io_active(&(port)->ip_object)
#define ip_lock_init(port) io_lock_init(&(port)->ip_object)
#define ip_lock(port) io_lock(&(port)->ip_object)
#define ip_lock_try(port) io_lock_try(&(port)->ip_object)
#define ip_unlock(port) io_unlock(&(port)->ip_object)
#define ip_reference(port) io_reference(&(port)->ip_object)
#define ip_release(port) io_release(&(port)->ip_object)
#define ip_kotype(port) io_kotype(&(port)->ip_object)
#define ip_full_kernel(port) imq_full_kernel(&(port)->ip_messages)
#define ip_full(port) imq_full(&(port)->ip_messages)
#define IP_BIT_PREALLOC 0x00008000
#define IP_PREALLOC(port) ((port)->ip_bits & IP_BIT_PREALLOC)
#define IP_SET_PREALLOC(port, kmsg) \
MACRO_BEGIN \
(port)->ip_bits |= IP_BIT_PREALLOC; \
(port)->ip_premsg = (kmsg); \
MACRO_END
#define IP_CLEAR_PREALLOC(port, kmsg) \
MACRO_BEGIN \
assert((port)->ip_premsg == kmsg); \
(port)->ip_bits &= ~IP_BIT_PREALLOC; \
(port)->ip_premsg = IKM_NULL; \
MACRO_END
struct ipc_port_request {
union {
struct ipc_port *port;
ipc_port_request_index_t index;
} notify;
union {
mach_port_name_t name;
struct ipc_table_size *size;
} name;
};
#define ipr_next notify.index
#define ipr_size name.size
#define ipr_soright notify.port
#define ipr_name name.name
#define IPR_SOR_SPARM_MASK 1
#define IPR_SOR_SPREQ_MASK 2
#define IPR_SOR_SPBIT_MASK 3
#define IPR_SOR_SPARMED(sor) (((uintptr_t)(sor) & IPR_SOR_SPARM_MASK) != 0)
#define IPR_SOR_SPREQ(sor) (((uintptr_t)(sor) & IPR_SOR_SPREQ_MASK) != 0)
#define IPR_SOR_PORT(sor) ((ipc_port_t)((uintptr_t)(sor) & ~IPR_SOR_SPBIT_MASK))
#define IPR_SOR_MAKE(p,m) ((ipc_port_t)((uintptr_t)(p) | (m)))
extern lck_grp_t ipc_lck_grp;
extern lck_attr_t ipc_lck_attr;
extern lck_spin_t ipc_port_multiple_lock_data;
#define ipc_port_multiple_lock_init() \
lck_spin_init(&ipc_port_multiple_lock_data, &ipc_lck_grp, &ipc_lck_attr)
#define ipc_port_multiple_lock() \
lck_spin_lock(&ipc_port_multiple_lock_data)
#define ipc_port_multiple_unlock() \
lck_spin_unlock(&ipc_port_multiple_lock_data)
extern ipc_port_timestamp_t ipc_port_timestamp_data;
extern ipc_port_timestamp_t ipc_port_timestamp(void);
#define IP_TIMESTAMP_ORDER(one, two) ((int) ((one) - (two)) < 0)
#define ipc_port_translate_receive(space, name, portp) \
ipc_object_translate((space), (name), \
MACH_PORT_RIGHT_RECEIVE, \
(ipc_object_t *) (portp))
#define ipc_port_translate_send(space, name, portp) \
ipc_object_translate((space), (name), \
MACH_PORT_RIGHT_SEND, \
(ipc_object_t *) (portp))
#if IMPORTANCE_INHERITANCE
extern kern_return_t
ipc_port_request_alloc(
ipc_port_t port,
mach_port_name_t name,
ipc_port_t soright,
boolean_t send_possible,
boolean_t immediate,
ipc_port_request_index_t *indexp,
boolean_t *importantp);
#else
extern kern_return_t
ipc_port_request_alloc(
ipc_port_t port,
mach_port_name_t name,
ipc_port_t soright,
boolean_t send_possible,
boolean_t immediate,
ipc_port_request_index_t *indexp);
#endif
extern kern_return_t ipc_port_request_grow(
ipc_port_t port,
ipc_table_elems_t target_size);
extern mach_port_type_t ipc_port_request_type(
ipc_port_t port,
mach_port_name_t name,
ipc_port_request_index_t index);
extern ipc_port_t ipc_port_request_cancel(
ipc_port_t port,
mach_port_name_t name,
ipc_port_request_index_t index);
#if IMPORTANCE_INHERITANCE
extern boolean_t ipc_port_request_sparm(
ipc_port_t port,
mach_port_name_t name,
ipc_port_request_index_t index,
mach_msg_option_t option);
#else
extern boolean_t ipc_port_request_sparm(
ipc_port_t port,
mach_port_name_t name,
ipc_port_request_index_t index);
#endif
#define ipc_port_request_rename(port, index, oname, nname) \
MACRO_BEGIN \
ipc_port_request_t ipr, table; \
\
assert(ip_active(port)); \
\
table = port->ip_requests; \
assert(table != IPR_NULL); \
\
ipr = &table[index]; \
assert(ipr->ipr_name == oname); \
\
ipr->ipr_name = nname; \
MACRO_END
extern void ipc_port_pdrequest(
ipc_port_t port,
ipc_port_t notify,
ipc_port_t *previousp);
extern void ipc_port_nsrequest(
ipc_port_t port,
mach_port_mscount_t sync,
ipc_port_t notify,
ipc_port_t *previousp);
#define ipc_port_set_mscount(port, mscount) \
MACRO_BEGIN \
assert(ip_active(port)); \
\
(port)->ip_mscount = (mscount); \
MACRO_END
extern void ipc_port_clear_receiver(
ipc_port_t port);
extern void ipc_port_init(
ipc_port_t port,
ipc_space_t space,
mach_port_name_t name);
extern kern_return_t ipc_port_alloc(
ipc_space_t space,
mach_port_name_t *namep,
ipc_port_t *portp);
extern kern_return_t ipc_port_alloc_name(
ipc_space_t space,
mach_port_name_t name,
ipc_port_t *portp);
extern void ipc_port_dnnotify(
ipc_port_t port);
extern void ipc_port_spnotify(
ipc_port_t port);
extern void ipc_port_destroy(
ipc_port_t port);
extern boolean_t
ipc_port_check_circularity(
ipc_port_t port,
ipc_port_t dest);
#if IMPORTANCE_INHERITANCE
enum {
IPID_OPTION_NORMAL = 0,
IPID_OPTION_SENDPOSSIBLE = 1,
};
extern mach_port_delta_t
ipc_port_impcount_delta(
ipc_port_t port,
mach_port_delta_t delta,
ipc_port_t base);
extern boolean_t
ipc_port_importance_delta_internal(
ipc_port_t port,
natural_t options,
mach_port_delta_t *deltap,
ipc_importance_task_t *imp_task);
extern boolean_t
ipc_port_importance_delta(
ipc_port_t port,
natural_t options,
mach_port_delta_t delta);
#endif
extern ipc_port_t ipc_port_lookup_notify(
ipc_space_t space,
mach_port_name_t name);
extern ipc_port_t ipc_port_make_send_locked(
ipc_port_t port);
extern ipc_port_t ipc_port_make_send(
ipc_port_t port);
extern ipc_port_t ipc_port_copy_send(
ipc_port_t port);
extern mach_port_name_t ipc_port_copyout_send(
ipc_port_t sright,
ipc_space_t space);
#endif
#if KERNEL_PRIVATE
extern void ipc_port_release_send(
ipc_port_t port);
extern void ipc_port_reference(
ipc_port_t port);
extern void ipc_port_release(
ipc_port_t port);
#endif
#if MACH_KERNEL_PRIVATE
extern ipc_port_t ipc_port_make_sonce_locked(
ipc_port_t port);
extern ipc_port_t ipc_port_make_sonce(
ipc_port_t port);
extern void ipc_port_release_sonce(
ipc_port_t port);
extern void ipc_port_release_receive(
ipc_port_t port);
extern void ipc_port_finalize(
ipc_port_t port);
extern ipc_port_t ipc_port_alloc_special(
ipc_space_t space);
extern void ipc_port_dealloc_special(
ipc_port_t port,
ipc_space_t space);
#if MACH_ASSERT
extern void ipc_port_track_dealloc(
ipc_port_t port);
extern void ipc_port_debug_init(void);
#endif
#define ipc_port_alloc_kernel() \
ipc_port_alloc_special(ipc_space_kernel)
#define ipc_port_dealloc_kernel(port) \
ipc_port_dealloc_special((port), ipc_space_kernel)
#define ipc_port_alloc_reply() \
ipc_port_alloc_special(ipc_space_reply)
#define ipc_port_dealloc_reply(port) \
ipc_port_dealloc_special((port), ipc_space_reply)
#endif
#endif