#include "sys.h"
#include <string.h>
#include <mach/boolean.h>
#include <servers/bootstrap.h>
extern sys_port_type _lookupd_port(sys_port_type);
int
sys_server_status(char *name)
{
kern_return_t status;
int active;
status = bootstrap_status(bootstrap_port, name, &active);
if (status == BOOTSTRAP_UNKNOWN_SERVICE) return 0;
if (status != KERN_SUCCESS) return -1;
return active;
}
kern_return_t
sys_create_service(char *name, sys_port_type *p, int restart)
{
kern_return_t status;
sys_port_type priv_boot_port, send_port;
status = bootstrap_check_in(bootstrap_port, name, p);
if (status == KERN_SUCCESS)
{
return status;
}
else if (status == BOOTSTRAP_UNKNOWN_SERVICE)
{
if (restart != 0)
{
status = bootstrap_create_server(bootstrap_port, "/usr/sbin/lookupd", 0, TRUE, &priv_boot_port);
if (status != KERN_SUCCESS) return status;
}
else
{
priv_boot_port = bootstrap_port;
}
status = bootstrap_create_service(priv_boot_port, name, &send_port);
if (status != KERN_SUCCESS) return status;
status = bootstrap_check_in(priv_boot_port, name, p);
}
return status;
}
kern_return_t
sys_port_look_up(char *name, sys_port_type *p)
{
kern_return_t status;
status = bootstrap_look_up(bootstrap_port, name, p);
return status;
}
kern_return_t
sys_destroy_service(char *name)
{
return bootstrap_check_in(bootstrap_port, name, SYS_PORT_NULL);
}
kern_return_t
sys_receive_port_alloc(sys_msg_header_type *h, unsigned int size)
{
return mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &(h->msgh_local_port));
}
kern_return_t
sys_port_alloc(sys_port_type *p)
{
return mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, p);
}
sys_msg_return_type
sys_receive_message(sys_msg_header_type *h, unsigned int size, sys_port_type p, sys_msg_timeout_type t)
{
unsigned int flags;
h->msgh_local_port = p;
h->msgh_size = size;
flags = MACH_RCV_MSG;
if (t != 0) flags |= MACH_RCV_TIMEOUT;
return mach_msg(h, flags, 0, size, p, t, SYS_PORT_NULL);
}
kern_return_t
sys_send_message(sys_msg_header_type *h, sys_msg_timeout_type t)
{
unsigned int flags;
flags = MACH_SEND_MSG;
if (t != 0) flags |= MACH_SEND_TIMEOUT;
return mach_msg(h, flags, h->msgh_size, 0, SYS_PORT_NULL, t, SYS_PORT_NULL);
}
void
sys_port_free(sys_port_type p)
{
mach_port_deallocate(sys_task_self(), p);
}
kern_return_t
sys_port_extract_receive_right(sys_task_port_type et, sys_port_type ep, sys_port_type *p)
{
mach_msg_type_name_t type;
return mach_port_extract_right(et, ep, MACH_MSG_TYPE_MOVE_RECEIVE, p, &type);
}
sys_port_type
lookupd_port(char *name)
{
sys_port_type p;
kern_return_t status;
if (name == NULL) return SYS_PORT_NULL;
status = bootstrap_look_up(bootstrap_port, name, &p);
if (status != KERN_SUCCESS) return SYS_PORT_NULL;
return p;
}