86 lines
1.7 KiB
C
86 lines
1.7 KiB
C
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#ifndef SERVER_H
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#define SERVER_H
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#include "generic/typedef.h"
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#include "system/task.h"
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#include "spinlock.h"
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#include "list.h"
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#define REQ_COMPLETE_CALLBACK 0x01000000
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#define REQ_WAIT_COMPLETE 0x02000000
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#define REQ_HI_PRIORITY 0x04000000
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#define REQ_TYPE_MASK 0x00ffffff
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struct server_req {
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int type;
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int err;
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void *server_priv;
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struct list_head entry;
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struct server *server;
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void *user;
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const char *owner;
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OS_SEM sem;
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union {
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int state;
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void (*func)(void *, void *, int);
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} complete;
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u32 arg[0];
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};
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struct server_info {
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const char *name;
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u16 reqlen;
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u8 reqnum;
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void *(*open)(void *, void *);
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void (*close)(void *);
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};
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#define REQ_BUF_LEN 512
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struct server {
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bool avaliable;
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void *server;
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OS_SEM sem;
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OS_MUTEX mutex;
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spinlock_t lock;
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struct list_head *req_buf;
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struct list_head free;
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struct list_head pending;
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const struct server_info *info;
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const char *owner;
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void *handler_priv;
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void (*event_handler)(void *, int argc, int *argv);
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};
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#define SERVER_REGISTER(info) \
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const struct server_info info sec(.server_info)
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#define server_load(server) \
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load_module(server)
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struct server *server_open(const char *name, void *arg);
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void server_register_event_handler(struct server *server, void *priv,
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void (*handler)(void *, int argc, int *argv));
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void server_close(struct server *server);
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int server_request(struct server *server, int req_type, void *arg);
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int server_request_async(struct server *server, int req_type, void *arg, ...);
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int server_req_complete(struct server_req *req);
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int server_event_handler(void *_server, int argc, int *argv);
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#endif
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