diff options
Diffstat (limited to 'include/mach/port.h')
-rw-r--r-- | include/mach/port.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/mach/port.h b/include/mach/port.h index 7ab3ab7c..3c226f6c 100644 --- a/include/mach/port.h +++ b/include/mach/port.h @@ -38,8 +38,24 @@ #include <mach/boolean.h> #include <mach/machine/vm_types.h> +/* + * Port names are the type used by userspace, they are always 32-bit wide. + */ +typedef unsigned int mach_port_name_t; +typedef mach_port_name_t *mach_port_name_array_t; +/* + * A port is represented + * - by a port name in userspace + * - by a pointer in kernel space + * While in userspace mach_port_name_t and mach_port_name are interchangable, + * in kernelspace they need to be different and appropriately converted. + */ +#ifdef KERNEL typedef vm_offset_t mach_port_t; +#else /* KERNEL */ +typedef mach_port_name_t mach_port_t; +#endif typedef mach_port_t *mach_port_array_t; typedef const mach_port_t *const_mach_port_array_t; typedef int *rpc_signature_info_t; @@ -121,7 +137,7 @@ typedef unsigned int mach_port_msgcount_t; /* number of msgs */ typedef unsigned int mach_port_rights_t; /* number of rights */ typedef struct mach_port_status { - mach_port_t mps_pset; /* containing port set */ + mach_port_name_t mps_pset; /* containing port set */ mach_port_seqno_t mps_seqno; /* sequence number */ /*mach_port_mscount_t*/natural_t mps_mscount; /* make-send count */ /*mach_port_msgcount_t*/natural_t mps_qlimit; /* queue limit */ |