diff options
Diffstat (limited to 'ipc/port.h')
-rw-r--r-- | ipc/port.h | 20 |
1 files changed, 20 insertions, 0 deletions
@@ -39,6 +39,7 @@ #ifndef _IPC_PORT_H_ #define _IPC_PORT_H_ +#include <kern/debug.h> #include <mach/port.h> /* @@ -83,4 +84,23 @@ typedef mach_port_name_t mach_port_gen_t; /* generation numbers */ #define MACH_PORT_UREFS_UNDERFLOW(urefs, delta) \ (((delta) < 0) && (-(delta) > (urefs))) + +static inline mach_port_t invalid_name_to_port(mach_port_name_t name) +{ + if (name == MACH_PORT_NAME_NULL) + return MACH_PORT_NULL; + if (name == MACH_PORT_NAME_DEAD) + return MACH_PORT_DEAD; + panic("invalid_name_to_port() called with a valid port"); +} + +static inline mach_port_name_t invalid_port_to_name(mach_port_t port) +{ + if (port == MACH_PORT_NULL) + return MACH_PORT_NAME_NULL; + if (port == MACH_PORT_DEAD) + return MACH_PORT_NAME_DEAD; + panic("invalid_port_to_name() called with a valid name"); +} + #endif /* _IPC_PORT_H_ */ |