These includes files are in /current/headers/private/net/. now.

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@898 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Philippe Houdoin
2002-08-27 08:02:28 +00:00
parent 35682cc6b3
commit 8602784fd5
3 changed files with 0 additions and 209 deletions
-128
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@@ -1,128 +0,0 @@
#ifndef LOCK_H
#define LOCK_H
/* lock.h - benaphore locking, "faster semaphores", read/write locks
** sorry for all those macros; I wish C would support C++-style
** inline functions.
**
** Initial version by Axel Dörfler, [email protected]
**
** This file may be used under the terms of the OpenBeOS License.
*/
#include <SupportDefs.h>
// for read/write locks
#define MAX_READERS 100000
struct benaphore {
sem_id sem;
int32 count;
};
typedef struct benaphore benaphore;
// it may make sense to add a status field to the rw_lock to
// be able to check if the semaphore could be locked
struct rw_lock {
sem_id sem;
int32 count;
benaphore writeLock;
};
typedef struct rw_lock rw_lock;
#ifndef _KERNEL_
#define INIT_BENAPHORE(lock,name) \
{ \
(lock).count = 1; \
(lock).sem = create_sem(0, name); \
}
#else
#define INIT_BENAPHORE(lock,name) \
{ \
(lock).count = 1; \
(lock).sem = create_sem(0, name); \
set_sem_owner((lock).sem, B_SYSTEM_TEAM); \
}
#endif
#define CHECK_BENAPHORE(lock) \
((lock).sem)
#define UNINIT_BENAPHORE(lock) \
delete_sem((lock).sem);
#define ACQUIRE_BENAPHORE(lock) \
(atomic_add(&((lock).count), -1) <= 0 ? \
acquire_sem_etc((lock).sem, 1, B_CAN_INTERRUPT, 0) \
: B_OK)
#define RELEASE_BENAPHORE(lock) \
{ \
if (atomic_add(&((lock).count), 1) < 0) \
release_sem((lock).sem); \
}
/* read/write lock */
#ifndef _KERNEL_
#define INIT_RW_LOCK(lock,name) \
{ \
(lock).sem = create_sem(0, name); \
(lock).count = MAX_READERS; \
INIT_BENAPHORE((lock).writeLock, "r/w write lock"); \
}
#else
#define INIT_RW_LOCK(lock,name) \
{ \
(lock).sem = create_sem(0, name); \
set_sem_owner((lock).sem, B_SYSTEM_TEAM); \
(lock).count = MAX_READERS; \
INIT_BENAPHORE((lock).writeLock, "r/w write lock"); \
}
#endif
#define CHECK_RW_LOCK(lock) \
((lock).sem)
#define UNINIT_RW_LOCK(lock) \
delete_sem((lock).sem); \
UNINIT_BENAPHORE((lock).writeLock)
#define ACQUIRE_READ_LOCK(lock) \
{ \
if (atomic_add(&(lock).count, -1) <= 0) \
acquire_sem((lock).sem); \
}
#define RELEASE_READ_LOCK(lock) \
{ \
if (atomic_add(&(lock).count, 1) < 0) \
release_sem((lock).sem); \
}
#define ACQUIRE_WRITE_LOCK(lock) \
{ \
int32 readers; \
ACQUIRE_BENAPHORE((lock).writeLock); \
readers = atomic_add(&(lock).count, -MAX_READERS); \
if (readers < MAX_READERS) \
acquire_sem_etc((lock).sem,readers <= 0 ? 1 : MAX_READERS - readers,0,0); \
RELEASE_BENAPHORE((lock).writeLock); \
}
#define RELEASE_WRITE_LOCK(lock) \
{ \
int32 readers = atomic_add(&(lock).count,MAX_READERS); \
if (readers < 0) \
release_sem_etc((lock).sem,readers <= -MAX_READERS ? 1 : -readers,B_CAN_INTERRUPT); \
}
#endif /* LOCK_H */
-26
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#ifndef NET_TIMER_H
#define NET_TIMER_H
/* net_timer.h - a small and more or less inaccurate timer for net modules.
** The registered hooks will be called in the thread of the timer.
**
** Initial version by Axel Dörfler, [email protected]
**
** This file may be used under the terms of the OpenBeOS License.
*/
#include <SupportDefs.h>
typedef void (*net_timer_hook)(void *);
typedef int32 net_timer_id;
extern status_t net_init_timer(void);
extern void net_shutdown_timer(void);
extern net_timer_id net_add_timer(net_timer_hook hook, void *data, bigtime_t interval);
extern status_t net_remove_timer(net_timer_id);
#endif /* NET_TIMER_H */
-55
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/* pools.h
* simple fixed size block allocator
*/
#ifndef OBOS_POOLS_H
#define OBOS_POOLS_H
#include <kernel/OS.h>
#include "lock.h"
typedef struct pool_ctl pool_ctl;
struct pool_mem {
struct pool_mem *next;
area_id aid;
char *base_addr;
size_t mem_size;
char *ptr;
size_t avail;
benaphore lock;
};
struct free_blk {
char *next;
};
#define POOL_USES_BENAPHORES 0
#define POOL_DEBUG_NAME_SZ 32
struct pool_ctl {
struct pool_mem *list;
char *freelist;
size_t alloc_size;
size_t block_size;
#if POOL_USES_BENAPHORES
benaphore lock;
#else
rw_lock lock;
#endif
int debug;
char name[POOL_DEBUG_NAME_SZ];
};
status_t pool_init(pool_ctl **p, size_t sz);
char *pool_get(pool_ctl *p);
void pool_put(pool_ctl *p, void *ptr);
void pool_destroy(pool_ctl *p);
void pool_debug(struct pool_ctl *p, char *name);
void pool_debug_walk(pool_ctl *p);
#endif /* OBOS_POOLS_H */