diff options
| -rw-r--r-- | boot/boot.c | 52 |
1 files changed, 46 insertions, 6 deletions
diff --git a/boot/boot.c b/boot/boot.c index 44b0dcaa..eeea2b64 100644 --- a/boot/boot.c +++ b/boot/boot.c @@ -90,20 +90,60 @@ void set_mach_stack_args (); /* These will prevent the Hurd-ish versions from being used */ +struct free_reply_port +{ + mach_port_t port; + struct free_reply_port *next; +}; +static struct free_reply_port *free_reply_ports = NULL; +static spin_lock_t free_reply_ports_lock = SPIN_LOCK_INITIALIZER; + mach_port_t __mig_get_reply_port () { - return __mach_reply_port (); + spin_lock (&free_reply_ports_lock); + if (free_reply_ports == NULL) + { + spin_unlock (&free_reply_ports_lock); + return __mach_reply_port (); + } + else + { + struct free_reply_port *frp = free_reply_ports; + mach_port_t reply_port = frp->port; + free_reply_ports = free_reply_ports->next; + spin_unlock (&free_reply_ports_lock); + free (frp); + return reply_port; + } } mach_port_t mig_get_reply_port () { - return __mach_reply_port (); + return __mig_get_reply_port (); +} +void __mig_put_reply_port (mach_port_t port) +{ + struct free_reply_port *frp = malloc (sizeof (struct free_reply_port)); + frp->port = port; + spin_lock (&free_reply_ports_lock); + frp->next = free_reply_ports; + free_reply_ports = frp; + spin_unlock (&free_reply_ports_lock); +} +void mig_put_reply_port (mach_port_t port) +{ + __mig_put_reply_port (port); +} +void __mig_dealloc_reply_port (mach_port_t port) +{ + __mach_port_mod_refs (__mach_task_self (), port, + MACH_PORT_RIGHT_RECEIVE, -1); +} +void mig_dealloc_reply_port (mach_port_t port) +{ + __mig_dealloc_reply_port (port); } void __mig_init (void *stack) {} void mig_init (void *stack) {} -void __mig_dealloc_reply_port (mach_port_t port) {} -void mig_dealloc_reply_port (mach_port_t port) {} -void __mig_put_reply_port (mach_port_t port) {} -void mig_put_reply_port (mach_port_t port) {} int task_by_pid (int pid) |