typedef natural_t mach_msg_size_t;
typedef integer_t mach_msg_id_t;
-
#define MACH_MSG_SIZE_NULL (mach_msg_size_t *) 0
+typedef unsigned int mach_msg_priority_t;
+
+#define MACH_MSG_PRIORITY_UNSPECIFIED (mach_msg_priority_t) 0
+
typedef unsigned int mach_msg_type_name_t;
-#define MACH_MSG_TYPE_MOVE_RECEIVE 16 /* Must hold receive right */
-#define MACH_MSG_TYPE_MOVE_SEND 17 /* Must hold send right(s) */
-#define MACH_MSG_TYPE_MOVE_SEND_ONCE 18 /* Must hold sendonce right */
-#define MACH_MSG_TYPE_COPY_SEND 19 /* Must hold send right(s) */
-#define MACH_MSG_TYPE_MAKE_SEND 20 /* Must hold receive right */
-#define MACH_MSG_TYPE_MAKE_SEND_ONCE 21 /* Must hold receive right */
-#define MACH_MSG_TYPE_COPY_RECEIVE 22 /* NOT VALID */
-#define MACH_MSG_TYPE_DISPOSE_RECEIVE 24 /* must hold receive right */
-#define MACH_MSG_TYPE_DISPOSE_SEND 25 /* must hold send right(s) */
+#define MACH_MSG_TYPE_MOVE_RECEIVE 16 /* Must hold receive right */
+#define MACH_MSG_TYPE_MOVE_SEND 17 /* Must hold send right(s) */
+#define MACH_MSG_TYPE_MOVE_SEND_ONCE 18 /* Must hold sendonce right */
+#define MACH_MSG_TYPE_COPY_SEND 19 /* Must hold send right(s) */
+#define MACH_MSG_TYPE_MAKE_SEND 20 /* Must hold receive right */
+#define MACH_MSG_TYPE_MAKE_SEND_ONCE 21 /* Must hold receive right */
+#define MACH_MSG_TYPE_COPY_RECEIVE 22 /* NOT VALID */
+#define MACH_MSG_TYPE_DISPOSE_RECEIVE 24 /* must hold receive right */
+#define MACH_MSG_TYPE_DISPOSE_SEND 25 /* must hold send right(s) */
#define MACH_MSG_TYPE_DISPOSE_SEND_ONCE 26 /* must hold sendonce right */
typedef unsigned int mach_msg_copy_options_t;
mach_port_context_t msgh_context;
} mach_msg_context_trailer_t;
+#if defined(MACH_KERNEL_PRIVATE) && defined(__arm64__)
+typedef struct
+{
+ mach_msg_trailer_type_t msgh_trailer_type;
+ mach_msg_trailer_size_t msgh_trailer_size;
+ mach_port_seqno_t msgh_seqno;
+ security_token_t msgh_sender;
+ audit_token_t msgh_audit;
+ mach_port_context32_t msgh_context;
+} mach_msg_context_trailer32_t;
+
+typedef struct
+{
+ mach_msg_trailer_type_t msgh_trailer_type;
+ mach_msg_trailer_size_t msgh_trailer_size;
+ mach_port_seqno_t msgh_seqno;
+ security_token_t msgh_sender;
+ audit_token_t msgh_audit;
+ mach_port_context64_t msgh_context;
+} mach_msg_context_trailer64_t;
+#endif
typedef struct
msg_labels_t msgh_labels;
} mach_msg_mac_trailer_t;
+#if defined(MACH_KERNEL_PRIVATE) && defined(__arm64__)
+typedef struct
+{
+ mach_msg_trailer_type_t msgh_trailer_type;
+ mach_msg_trailer_size_t msgh_trailer_size;
+ mach_port_seqno_t msgh_seqno;
+ security_token_t msgh_sender;
+ audit_token_t msgh_audit;
+ mach_port_context32_t msgh_context;
+ int msgh_ad;
+ msg_labels_t msgh_labels;
+} mach_msg_mac_trailer32_t;
+
+typedef struct
+{
+ mach_msg_trailer_type_t msgh_trailer_type;
+ mach_msg_trailer_size_t msgh_trailer_size;
+ mach_port_seqno_t msgh_seqno;
+ security_token_t msgh_sender;
+ audit_token_t msgh_audit;
+ mach_port_context64_t msgh_context;
+ int msgh_ad;
+ msg_labels_t msgh_labels;
+} mach_msg_mac_trailer64_t;
+
+#endif
#define MACH_MSG_TRAILER_MINIMUM_SIZE sizeof(mach_msg_trailer_t)
* another module may exceed the local modules notion of
* MAX_TRAILER_SIZE.
*/
+#if defined(MACH_KERNEL_PRIVATE) && defined(__arm64__)
+typedef mach_msg_mac_trailer64_t mach_msg_max_trailer64_t;
+typedef mach_msg_mac_trailer32_t mach_msg_max_trailer32_t;
+#endif
typedef mach_msg_mac_trailer_t mach_msg_max_trailer_t;
#define MAX_TRAILER_SIZE ((mach_msg_size_t)sizeof(mach_msg_max_trailer_t))
#define MACH_RCV_LARGE_IDENTITY 0x00000008 /* identify source of large messages */
#define MACH_SEND_TIMEOUT 0x00000010 /* timeout value applies to send */
+#define MACH_SEND_OVERRIDE 0x00000020 /* priority override for send */
#define MACH_SEND_INTERRUPT 0x00000040 /* don't restart interrupted sends */
#define MACH_SEND_NOTIFY 0x00000080 /* arm send-possible notify */
#define MACH_SEND_ALWAYS 0x00010000 /* ignore qlimits - kernel only */
#define MACH_SEND_NOIMPORTANCE 0x00040000 /* msg won't carry importance */
#define MACH_SEND_NODENAP MACH_SEND_NOIMPORTANCE
#define MACH_SEND_IMPORTANCE 0x00080000 /* msg carries importance - kernel only */
+#define MACH_SEND_SYNC_OVERRIDE 0x00100000 /* msg should do sync ipc override */
#define MACH_RCV_TIMEOUT 0x00000100 /* timeout value applies to receive */
#define MACH_RCV_INTERRUPT 0x00000400 /* don't restart interrupted receive */
#define MACH_RCV_VOUCHER 0x00000800 /* willing to receive voucher port */
#define MACH_RCV_OVERWRITE 0x00001000 /* scatter receive (deprecated) */
+#define MACH_RCV_SYNC_WAIT 0x00004000 /* sync waiter waiting for rcv */
+
+#ifdef XNU_KERNEL_PRIVATE
+
+#define MACH_RCV_STACK 0x00002000 /* receive into highest addr of buffer */
+
+/*
+ * NOTE:
+ * This internal-only flag is intended for use by a single thread per-port/set!
+ * If more than one thread attempts to MACH_PEEK_MSG on a port or set, one of
+ * the threads may miss messages (in fact, it may never wake up).
+ */
+#define MACH_PEEK_MSG 0x00100000 /* receive, but leave msgs queued */
+
+#endif
/*
* NOTE: a 0x00------ RCV mask implies to ask for
#ifdef MACH_KERNEL_PRIVATE
/* The options that the kernel honors when passed from user space */
-#define MACH_SEND_USER (MACH_SEND_MSG | \
- MACH_SEND_TIMEOUT | MACH_SEND_NOTIFY | \
- MACH_SEND_TRAILER | MACH_SEND_NOIMPORTANCE )
+#define MACH_SEND_USER (MACH_SEND_MSG | MACH_SEND_TIMEOUT | \
+ MACH_SEND_NOTIFY | MACH_SEND_OVERRIDE | \
+ MACH_SEND_TRAILER | MACH_SEND_NOIMPORTANCE | \
+ MACH_SEND_SYNC_OVERRIDE)
-#define MACH_RCV_USER (MACH_RCV_MSG | MACH_RCV_TIMEOUT | \
- MACH_RCV_LARGE | MACH_RCV_LARGE_IDENTITY | \
- MACH_RCV_VOUCHER | MACH_RCV_TRAILER_MASK)
+#define MACH_RCV_USER (MACH_RCV_MSG | MACH_RCV_TIMEOUT | \
+ MACH_RCV_LARGE | MACH_RCV_LARGE_IDENTITY | \
+ MACH_RCV_VOUCHER | MACH_RCV_TRAILER_MASK | \
+ MACH_RCV_SYNC_WAIT)
#define MACH_MSG_OPTION_USER (MACH_SEND_USER | MACH_RCV_USER)
/* The options implemented by the library interface to mach_msg et. al. */
#define MACH_MSG_OPTION_LIB (MACH_SEND_INTERRUPT | MACH_RCV_INTERRUPT)
-/* Default options to use when sending from the kernel */
-#if 11938665
- /*
- * Until we are sure of its effects, we are disabling
- * importance donation from the kernel-side of user
- * threads in importance-donating tasks.
- */
+/*
+ * Default options to use when sending from the kernel.
+ *
+ * Until we are sure of its effects, we are disabling
+ * importance donation from the kernel-side of user
+ * threads in importance-donating tasks.
+ * (11938665 & 23925818)
+ */
#define MACH_SEND_KERNEL_DEFAULT (MACH_SEND_MSG | \
MACH_SEND_ALWAYS | MACH_SEND_NOIMPORTANCE)
-#else
-#define MACH_SEND_KERNEL_DEFAULT (MACH_SEND_MSG | MACH_SEND_ALWAYS)
-#endif
#endif /* MACH_KERNEL_PRIVATE */
#ifdef XNU_KERNEL_PRIVATE
+#if defined(__arm64__)
+#define REQUESTED_TRAILER_SIZE(is64, y) \
+ ((mach_msg_trailer_size_t) \
+ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_NULL) ? \
+ sizeof(mach_msg_trailer_t) : \
+ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_SEQNO) ? \
+ sizeof(mach_msg_seqno_trailer_t) : \
+ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_SENDER) ? \
+ sizeof(mach_msg_security_trailer_t) : \
+ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_AUDIT) ? \
+ sizeof(mach_msg_audit_trailer_t) : \
+ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_CTX) ? \
+ ((is64) ? sizeof(mach_msg_context_trailer64_t) : sizeof(mach_msg_context_trailer32_t)) : \
+ ((GET_RCV_ELEMENTS(y) == MACH_RCV_TRAILER_AV) ? \
+ ((is64) ? sizeof(mach_msg_mac_trailer64_t) : sizeof(mach_msg_mac_trailer32_t)) : \
+ sizeof(mach_msg_max_trailer_t))))))))
+#else
#define REQUESTED_TRAILER_SIZE(is64, y) REQUESTED_TRAILER_SIZE_NATIVE(y)
+#endif
#else /* XNU_KERNEL_PRIVATE */
#define REQUESTED_TRAILER_SIZE(y) REQUESTED_TRAILER_SIZE_NATIVE(y)
#define MACH_RCV_IN_PROGRESS_TIMED 0x10004011
/* Waiting for receive with timeout. (Internal use only.) */
+#ifdef XNU_KERNEL_PRIVATE
+#define MACH_PEEK_IN_PROGRESS 0x10008001
+ /* Waiting for a peek. (Internal use only.) */
+#define MACH_PEEK_READY 0x10008002
+ /* Waiting for a peek. (Internal use only.) */
+#endif
+
__BEGIN_DECLS
#elif defined(MACH_KERNEL_PRIVATE)
-extern mach_msg_return_t mach_msg_receive_results(void);
+extern mach_msg_return_t mach_msg_receive_results(mach_msg_size_t *size);
+extern mach_msg_priority_t mach_msg_priority_combine(mach_msg_priority_t msg_qos,
+ mach_msg_priority_t recv_qos);
#endif /* KERNEL */
__END_DECLS
projects / apple / xnu.git / blobdiff