URL https://opencores.org/ocsvn/or1k_old/or1k_old/trunk

Subversion Repositories or1k_old

[/] [or1k_old/] [trunk/] [rc203soc/] [sw/] [uClinux/] [include/] [asm-or32/] [semaphore.h] - Diff between revs 1633 and 1765

Rev 1633	Rev 1765
`#ifndef _OR32_SEMAPHORE_H`	`#ifndef _OR32_SEMAPHORE_H`
`#define _OR32_SEMAPHORE_H`	`#define _OR32_SEMAPHORE_H`

`/*`	`/*`
`* SMP- and interrupt-safe semaphores..`	`* SMP- and interrupt-safe semaphores..`
`*`	`*`
`* (C) Copyright 1996 Linus Torvalds`	`* (C) Copyright 1996 Linus Torvalds`
`*`	`*`
`*/`	`*/`

`struct semaphore {`	`struct semaphore {`
`int count;`	`int count;`
`int waking;`	`int waking;`
`int lock; /* to make waking testing atomic */`	`int lock; /* to make waking testing atomic */`
`struct wait_queue * wait;`	`struct wait_queue * wait;`
`};`	`};`

`#define MUTEX ((struct semaphore) { 1, 0, 0, NULL })`	`#define MUTEX ((struct semaphore) { 1, 0, 0, NULL })`
`#define MUTEX_LOCKED ((struct semaphore) { 0, 0, 0, NULL })`	`#define MUTEX_LOCKED ((struct semaphore) { 0, 0, 0, NULL })`

`extern void down(struct semaphore * sem);`	`extern void down(struct semaphore * sem);`
`extern int down_interruptible(struct semaphore * sem);`	`extern int down_interruptible(struct semaphore * sem);`
`extern void up(struct semaphore * sem);`	`extern void up(struct semaphore * sem);`

`extern void get_buzz_lock(int *lock_ptr);`	`extern void get_buzz_lock(int *lock_ptr);`
`extern void give_buzz_lock(int *lock_ptr);`	`extern void give_buzz_lock(int *lock_ptr);`


`#endif`	`#endif`