#if MACH_KERNEL_PRIVATE
-#include <norma_vm.h>
#include <mach_rt.h>
#include <mach_assert.h>
#include <mach_debug.h>
ipc_port_timestamp_t timestamp;
} data;
- ipc_kobject_t ip_kobject;
+ union {
+ ipc_kobject_t kobject;
+ 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_port_mscount_t ip_mscount;
mach_port_rights_t ip_srights;
mach_port_rights_t ip_sorights;
- struct ipc_port *ip_nsrequest;
- struct ipc_port *ip_pdrequest;
- struct ipc_port_request *ip_requests;
- boolean_t ip_sprequests;
+ natural_t ip_sprequests:1, /* send-possible requests outstanding */
+ ip_spimportant:1, /* ... at least one is importance donating */
+ ip_impdonation:1, /* port supports importance donation */
+ ip_tempowner:1, /* dont give donations to current receiver */
+ ip_taskptr:1, /* ... instead give them to a specified task */
+ ip_guarded:1, /* port guarded (use context value as guard) */
+ ip_strict_guard:1, /* Strict guarding; Prevents user manipulation of context values directly */
+ ip_reserved:1,
+ ip_impcount:24; /* number of importance donations in nested queue */
- unsigned int ip_pset_count;
- struct ipc_kmsg *ip_premsg;
mach_vm_address_t ip_context;
-#if NORMA_VM
- /*
- * These fields are needed for the use of XMM.
- * Few ports need this information; it should
- * be kept in XMM instead (TBD). XXX
- */
- long ip_norma_xmm_object_refs;
- struct ipc_port *ip_norma_xmm_object;
-#endif
#if MACH_ASSERT
#define IP_NSPARES 4
queue_chain_t ip_port_links; /* all allocated ports */
thread_t ip_thread; /* who made me? thread context */
unsigned long ip_timetrack; /* give an idea of "when" created */
- natural_t ip_callstack[IP_CALLSTACK_MAX]; /* stack trace */
+ uintptr_t ip_callstack[IP_CALLSTACK_MAX]; /* stack trace */
unsigned long ip_spares[IP_NSPARES]; /* for debugging */
#endif /* MACH_ASSERT */
- uintptr_t alias;
#if CONFIG_MACF_MACH
struct label ip_label;
#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_pset_count ip_messages.imq_pset_count
+
#define ip_receiver data.receiver
#define ip_destination data.destination
#define ip_timestamp data.timestamp
-#define ip_receiver_name ip_messages.imq_receiver_name
+#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_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_check_unlock(port) io_check_unlock(&(port)->ip_object)
#define ip_reference(port) io_reference(&(port)->ip_object)
#define ip_release(port) io_release(&(port)->ip_object)
* when it is taken.
*/
+#if 1
decl_lck_mtx_data(extern,ipc_port_multiple_lock_data)
extern lck_mtx_ext_t ipc_port_multiple_lock_data_ext;
#define ipc_port_multiple_unlock() \
lck_mtx_unlock(&ipc_port_multiple_lock_data)
+#else
+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)
+#endif
/*
* The port timestamp facility provides timestamps
* mach_port_names with port death.
*/
-decl_lck_mtx_data(extern,ipc_port_timestamp_lock_data)
-extern lck_mtx_ext_t ipc_port_timestamp_lock_data_ext;
-
extern ipc_port_timestamp_t ipc_port_timestamp_data;
-#define ipc_port_timestamp_lock_init() \
- lck_mtx_init_ext(&ipc_port_timestamp_lock_data, &ipc_port_timestamp_lock_data_ext, &ipc_lck_grp, &ipc_lck_attr)
-
-#define ipc_port_timestamp_lock() \
- lck_mtx_lock(&ipc_port_timestamp_lock_data)
-
-#define ipc_port_timestamp_unlock() \
- lck_mtx_unlock(&ipc_port_timestamp_lock_data)
-
/* Retrieve a port timestamp value */
extern ipc_port_timestamp_t ipc_port_timestamp(void);
(ipc_object_t *) (portp))
/* Allocate a notification request slot */
+#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,
boolean_t send_possible,
boolean_t immediate,
ipc_port_request_index_t *indexp);
+#endif /* IMPORTANCE_INHERITANCE */
/* Grow one of a port's tables of notifcation requests */
extern kern_return_t ipc_port_request_grow(
ipc_port_request_index_t index);
/* Arm any delayed send-possible notification */
-extern void ipc_port_request_sparm(
+#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 /* IMPORTANCE_INHERITANCE */
/* Macros for manipulating a port's dead name notificaiton requests */
#define ipc_port_request_rename(port, index, oname, nname) \
/* Prepare a receive right for transmission/destruction */
extern void ipc_port_clear_receiver(
- ipc_port_t port);
+ ipc_port_t port,
+ queue_t links);
/* Initialize a newly-allocated port */
extern void ipc_port_init(
ipc_port_t port,
ipc_port_t dest);
+#if IMPORTANCE_INHERITANCE
+/* Apply an importance delta to a port */
+extern boolean_t
+ipc_port_importance_delta(
+ ipc_port_t port,
+ mach_port_delta_t delta);
+#endif /* IMPORTANCE_INHERITANCE */
+
/* Make a send-once notify port from a receive right */
extern ipc_port_t ipc_port_lookup_notify(
ipc_space_t space,
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 /* KERNEL_PRIVATE */
#if MACH_KERNEL_PRIVATE
+/* Make a naked send-once right from a locked and active receive right */
+extern ipc_port_t ipc_port_make_sonce_locked(
+ ipc_port_t port);
+
/* Make a naked send-once right from a receive right */
extern ipc_port_t ipc_port_make_sonce(
ipc_port_t port);
#define ipc_port_dealloc_reply(port) \
ipc_port_dealloc_special((port), ipc_space_reply)
-#define ipc_port_reference(port) \
- ipc_object_reference(&(port)->ip_object)
-
-#define ipc_port_release(port) \
- ipc_object_release(&(port)->ip_object)
-
#endif /* MACH_KERNEL_PRIVATE */
#endif /* _IPC_IPC_PORT_H_ */
projects / apple / xnu.git / blobdiff