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Annotation of Gnu-Mach/kern/ipc_mig.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * MIG IPC functions
                      3:  * Copyright (C) 2008 Free Software Foundation, Inc.
                      4:  *
                      5:  * This program is free software; you can redistribute it and/or modify
                      6:  * it under the terms of the GNU General Public License as published by
                      7:  * the Free Software Foundation; either version 2, or (at your option)
                      8:  * any later version.
                      9:  *
                     10:  * This program is distributed in the hope that it will be useful,
                     11:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
                     12:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     13:  * GNU General Public License for more details.
                     14:  *
                     15:  * You should have received a copy of the GNU General Public License
                     16:  * along with this program; if not, write to the Free Software
                     17:  * Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
                     18:  *
                     19:  *  Author: Barry deFreese.
                     20:  */
                     21: /*
                     22:  *     MIG IPC functions.
                     23:  *
                     24:  */
                     25: 
                     26: #ifndef _IPC_MIG_H_
                     27: #define _IPC_MIG_H_
                     28: 
                     29: #include <mach/std_types.h>
                     30: 
                     31: /*
                     32:  *  Routine:    mach_msg_send_from_kernel
                     33:  *  Purpose:
                     34:  *      Send a message from the kernel.
                     35:  *
                     36:  *      This is used by the client side of KernelUser interfaces
                     37:  *      to implement SimpleRoutines.  Currently, this includes
                     38:  *      device_reply and memory_object messages.
                     39:  *  Conditions:
                     40:  *      Nothing locked.
                     41:  *  Returns:
                     42:  *      MACH_MSG_SUCCESS    Sent the message.
                     43:  *      MACH_SEND_INVALID_DATA  Bad destination port.
                     44:  */
                     45: extern mach_msg_return_t mach_msg_send_from_kernel(
                     46:     mach_msg_header_t   *msg,
                     47:     mach_msg_size_t     send_size);
                     48: 
                     49: /*
                     50:  *  Routine:    mach_msg_abort_rpc
                     51:  *  Purpose:
                     52:  *      Destroy the thread's ith_rpc_reply port.
                     53:  *      This will interrupt a mach_msg_rpc_from_kernel
                     54:  *      with a MACH_RCV_PORT_DIED return code.
                     55:  *  Conditions:
                     56:  *      Nothing locked.
                     57:  */
                     58: extern void mach_msg_abort_rpc (ipc_thread_t);
                     59: 
                     60: extern mach_msg_return_t mach_msg_rpc_from_kernel(
                     61:     mach_msg_header_t *msg,
                     62:     mach_msg_size_t send_size,
                     63:     mach_msg_size_t reply_size);
                     64: 
                     65: #endif /* _IPC_MIG_H_ */

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