xnu-7195.101.1.tar.gz

[apple/xnu.git] / osfmk / mach / port.h

diff --git a/osfmk/mach/port.h b/osfmk/mach/port.h
index a70035eddb0cc31b99f951739025ffae26747b5a..9472cecea7c2395232a6cc6bdc0b14046ff54719 100644 (file)
--- a/osfmk/mach/port.h
+++ b/osfmk/mach/port.h
@@ -142,8 +142,13 @@ typedef struct ipc_port         *ipc_port_t;
 
 #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)
+#define IPC_PORT_VALID(port)    ipc_port_valid(port)
+
+static inline boolean_t
+ipc_port_valid(ipc_port_t port)
+{
+       return port != IPC_PORT_DEAD && port;
+}
 
 typedef ipc_port_t              mach_port_t;
 
@@ -269,7 +274,6 @@ typedef mach_port_type_t *mach_port_type_array_t;
 #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) /* 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
@@ -451,9 +455,16 @@ enum mach_port_guard_exception_codes {
        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 */
+       kGUARD_EXC_MOD_REFS_NON_FATAL    = 1u << 21,
+       kGUARD_EXC_IMMOVABLE_NON_FATAL   = 1u << 22,
 };
 
-#define MAX_FATAL_kGUARD_EXC_CODE (1u << 6)
+#define MAX_FATAL_kGUARD_EXC_CODE (1u << 7)
+
+/*
+ * Mach port guard flags.
+ */
+#define MPG_FLAGS_NONE                             (0x00ull)
 
 /*
  * These flags are used as bits in the subcode of kGUARD_EXC_STRICT_REPLY exceptions.
@@ -465,6 +476,16 @@ enum mach_port_guard_exception_codes {
 #define MPG_FLAGS_STRICT_REPLY_MISMATCHED_PERSONA  (0x10ull << 56)
 #define MPG_FLAGS_STRICT_REPLY_MASK                (0xffull << 56)
 
+/*
+ * These flags are used as bits in the subcode of kGUARD_EXC_MOD_REFS exceptions.
+ */
+#define MPG_FLAGS_MOD_REFS_PINNED_DEALLOC          (0x01ull << 56)
+
+/*
+ * These flags are used as bits in the subcode of kGUARD_EXC_IMMOVABLE exceptions.
+ */
+#define MPG_FLAGS_IMMOVABLE_PINNED                 (0x01ull << 56)
+
 /*
  * Flags for mach_port_guard_with_flags. These flags extend
  * the attributes associated with a guarded port.