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Annotation of Gnu-Mach/xen/store.h, revision 1.1.1.2

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: 
1.1.1.2 ! root       24: typedef uint32_t hyp_store_transaction_t;
1.1       root       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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