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Annotation of Gnu-Mach/xen/store.h, revision 1.1

1.1     ! root        1: /*
        !             2:  *  Copyright (C) 2006-2009 Free Software Foundation
        !             3:  *
        !             4:  * This program is free software ; you can redistribute it and/or modify
        !             5:  * it under the terms of the GNU General Public License as published by
        !             6:  * the Free Software Foundation ; either version 2 of the License, or
        !             7:  * (at your option) any later version.
        !             8:  *
        !             9:  * This program is distributed in the hope that it will be useful,
        !            10:  * but WITHOUT ANY WARRANTY ; without even the implied warranty of
        !            11:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
        !            12:  * GNU General Public License for more details.
        !            13:  *
        !            14:  * You should have received a copy of the GNU General Public License
        !            15:  * along with the program ; if not, write to the Free Software
        !            16:  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
        !            17:  */
        !            18: 
        !            19: #ifndef XEN_STORE_H
        !            20: #define XEN_STORE_H
        !            21: #include <machine/xen.h>
        !            22: #include <xen/public/io/xenbus.h>
        !            23: 
        !            24: typedef unsigned32_t hyp_store_transaction_t;
        !            25: 
        !            26: #define hyp_store_state_unknown                "0"
        !            27: #define hyp_store_state_initializing   "1"
        !            28: #define hyp_store_state_init_wait      "2"
        !            29: #define hyp_store_state_initialized    "3"
        !            30: #define hyp_store_state_connected      "4"
        !            31: #define hyp_store_state_closing                "5"
        !            32: #define hyp_store_state_closed         "6"
        !            33: 
        !            34: void hyp_store_init(void);
        !            35: 
        !            36: extern const char *hyp_store_error;
        !            37: 
        !            38: /* Start a transaction.  */
        !            39: hyp_store_transaction_t hyp_store_transaction_start(void);
        !            40: /* Stop a transaction. Returns 1 if the transactions succeeded, 0 else.  */
        !            41: int hyp_store_transaction_stop(hyp_store_transaction_t t);
        !            42: 
        !            43: /* List a directory: returns an array to file names, terminated by NULL.  Free
        !            44:  * with kfree.  */
        !            45: char **hyp_store_ls(hyp_store_transaction_t t, int n, ...);
        !            46: 
        !            47: /* Get the value of an entry.  Free with kfree.  */
        !            48: void *hyp_store_read(hyp_store_transaction_t t, int n, ...);
        !            49: /* Get the integer value of an entry, -1 on error.  */
        !            50: int hyp_store_read_int(hyp_store_transaction_t t, int n, ...);
        !            51: /* Set the value of an entry.  */
        !            52: char *hyp_store_write(hyp_store_transaction_t t, const char *data, int n, ...);
        !            53: 
        !            54: #endif /* XEN_STORE_H */

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