75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
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/* Prototypes and definitions for DS interface. */
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#ifndef _MINIX_DS_H
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#define _MINIX_DS_H
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#ifdef _MINIX_SYSTEM
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#include <sys/types.h>
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#include <minix/endpoint.h>
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/* Flags. */
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#define DSF_IN_USE 0x001 /* entry is in use */
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#define DSF_PRIV_RETRIEVE 0x002 /* only owner can retrieve */
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#define DSF_PRIV_OVERWRITE 0x004 /* only owner can overwrite */
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#define DSF_PRIV_SNAPSHOT 0x004 /* only owner can take a snapshot */
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#define DSF_PRIV_SUBSCRIBE 0x008 /* only owner can subscribe */
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#define DSF_TYPE_U32 0x010 /* u32 data type */
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#define DSF_TYPE_STR 0x020 /* string data type */
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#define DSF_TYPE_MEM 0x040 /* memory range data type */
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#define DSF_TYPE_LABEL 0x100 /* label data type */
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#define DSF_MASK_TYPE 0xFF0 /* mask for type flags. */
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#define DSF_MASK_INTERNAL 0xFFF /* mask for internal flags. */
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#define DSF_OVERWRITE 0x01000 /* overwrite if entry exists */
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#define DSF_INITIAL 0x02000 /* check subscriptions immediately */
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/* DS constants. */
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#define DS_MAX_KEYLEN 80 /* Max length of a key, including '\0'. */
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/* DS events. */
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#define DS_DRIVER_UP 1
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/* ds.c */
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/* U32 */
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int ds_publish_u32(const char *name, u32_t val, int flags);
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int ds_retrieve_u32(const char *name, u32_t *val);
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int ds_delete_u32(const char *ds_name);
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/* STRING */
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int ds_publish_str(const char *name, char *val, int flags);
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int ds_retrieve_str(const char *name, char *val, size_t len);
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int ds_delete_str(const char *ds_name);
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/* MEM */
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int ds_publish_mem(const char *ds_name, void *vaddr, size_t length, int
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flags);
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int ds_retrieve_mem(const char *ds_name, char *vaddr, size_t *length);
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int ds_delete_mem(const char *ds_name);
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/* MAP */
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int ds_publish_map(const char *ds_name, void *vaddr, size_t length, int
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flags);
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int ds_snapshot_map(const char *ds_name, int *nr_snapshot);
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int ds_retrieve_map(const char *ds_name, char *vaddr, size_t *length,
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int nr_snapshot, int flags);
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int ds_delete_map(const char *ds_name);
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/* LABEL */
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int ds_publish_label(const char *ds_name, endpoint_t endpoint, int
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flags);
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int ds_retrieve_label_name(char *ds_name, endpoint_t endpoint);
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int ds_retrieve_label_endpt(const char *ds_name, endpoint_t *endpoint);
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int ds_delete_label(const char *ds_name);
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/* Subscribe and check. */
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int ds_subscribe(const char *regex, int flags);
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int ds_check(char *ds_name, int *type, endpoint_t *owner_e);
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#endif /* _MINIX_SYSTEM */
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#endif /* _MINIX_DS_H */
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