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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2 | pj | 1 | |
| 2 | #ifndef __GLUE_H |
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| 3 | #define __GLUE_H |
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| 4 | |||
| 5 | #include <fs/glue.h> |
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| 6 | |||
| 7 | #include <fs/const.h> |
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| 8 | #include <fs/util.h> |
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| 9 | #include <fs/assert.h> |
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| 10 | #include <fs/maccess.h> |
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| 11 | #include <fs/irq.h> |
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| 12 | |||
| 13 | #include <kernel/model.h> |
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| 14 | #include <kernel/func.h> |
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| 15 | #include <kernel/assert.h> |
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| 16 | #include <kernel/int_sem.h> |
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| 17 | |||
| 18 | /* |
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| 19 | * mutex |
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| 20 | */ |
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| 21 | |||
| 22 | #include <kernel/int_sem.h> |
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| 23 | |||
| 24 | /*+ a semaphore object +*/ |
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| 25 | typedef internal_sem_t __b_mutex_t; |
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| 26 | |||
| 27 | /* |
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| 28 | The following macros can be used to synchronize events; all |
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| 29 | require a pointer to a semaphore object and return nothing; |
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| 30 | a semaphore can have "val" resource free. |
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| 31 | */ |
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| 32 | |||
| 33 | /*+ Initialize a semaphore (to integer val) +*/ |
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| 34 | #define __b_mutex_init(ptr) internal_sem_init((ptr),1) |
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| 35 | |||
| 36 | /*+ Wait for a semaphore +*/ |
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| 37 | #define __b_mutex_lock(ptr) (internal_sem_wait(ptr)) |
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| 38 | |||
| 39 | /*+ Try to wait for a semaphore (return 0 on success) +*/ |
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| 40 | #define __b_mutex_trylock(ptr) (internal_sem_wait(ptr)) |
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| 41 | |||
| 42 | /*+ Signal a semaphore +*/ |
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| 43 | #define __b_mutex_unlock(ptr) (internal_sem_post(ptr)) |
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| 44 | |||
| 45 | #if 0 |
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| 46 | |||
| 47 | /*+ a mutex object +*/ |
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| 48 | typedef mutex_t __b_mutex_t; |
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| 49 | |||
| 50 | /* |
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| 51 | The following macros require a pointer to a mutex object and |
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| 52 | return nothing. |
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| 53 | */ |
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| 54 | |||
| 55 | extern void *bmutexattr; |
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| 56 | |||
| 57 | /* Initialize a mutex object */ |
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| 58 | #define __b_mutex_init(ptr) assertk(mutex_init(ptr,bmutexattr)==0) |
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| 59 | |||
| 60 | /*+ Lock a mutex object +*/ |
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| 61 | #define __b_mutex_lock(ptr) assertk(mutex_lock((ptr))==0) |
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| 62 | |||
| 63 | /*+ Try to lock a mutex (return 0 on success locking) +*/ |
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| 64 | #define __b_mutex_trylock(ptr) mutex_trylock((ptr)) |
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| 65 | |||
| 66 | /*+ Unlock a mutex +*/ |
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| 67 | #define __b_mutex_unlock(ptr) assertk(mutex_unlock(ptr)==0) |
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| 68 | |||
| 69 | #endif |
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| 70 | |||
| 71 | /* |
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| 72 | * fast mutex |
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| 73 | */ |
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| 74 | |||
| 75 | typedef SYS_FLAGS __b_fastmutex_t; |
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| 76 | |||
| 77 | /*+ Mutex initialization +*/ |
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| 78 | #define __b_fastmutex_init(ptr) |
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| 79 | |||
| 80 | /*+ Lock a mutex object +*/ |
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| 81 | #define __b_fastmutex_lock(ptr) *(ptr)=kern_fsave() |
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| 82 | |||
| 83 | /*+ Unlock a mutex +*/ |
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| 84 | #define __b_fastmutex_unlock(ptr) kern_frestore(*(ptr)) |
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| 85 | |||
| 86 | /* |
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| 87 | *semaphores |
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| 88 | */ |
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| 89 | |||
| 90 | /*+ a semaphore object +*/ |
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| 91 | typedef internal_sem_t __b_sem_t; |
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| 92 | |||
| 93 | /* |
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| 94 | The following macros can be used to synchronize events; all |
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| 95 | require a pointer to a semaphore object and return nothing; |
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| 96 | a semaphore can have "val" resource free. |
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| 97 | */ |
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| 98 | |||
| 99 | /*+ Initialize a semaphore (to integer val) +*/ |
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| 100 | #define __b_sem_init(ptr,val) internal_sem_init((ptr),(val)) |
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| 101 | |||
| 102 | /*+ Wait for a semaphore +*/ |
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| 103 | #define __b_sem_wait(ptr) internal_sem_wait(ptr) |
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| 104 | |||
| 105 | /*+ Try to wait for a semaphore (return 0 on success) +*/ |
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| 106 | #define __b_sem_trywait(ptr) internal_sem_trywait(ptr) |
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| 107 | |||
| 108 | /*+ Signal a semaphore +*/ |
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| 109 | #define __b_sem_signal(ptr) internal_sem_post(ptr) |
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| 110 | |||
| 111 | /* |
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| 112 | * |
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| 113 | */ |
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| 114 | |||
| 115 | #define panic(x) sys_panic(x) |
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| 116 | |||
| 117 | /* timer functions */ |
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| 118 | |||
| 119 | #include <ll/time.h> |
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| 120 | |||
| 121 | /* all in usec */ |
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| 122 | |||
| 123 | #define __gettimer() sys_gettime(NULL) |
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| 124 | |||
| 125 | /* I need an active delay! */ |
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| 126 | #define __delayk(delta) { \ |
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| 127 | TIME t=__gettimer()+delta; \ |
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| 128 | while (__gettimer()<t); \ |
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| 129 | } |
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| 130 | |||
| 131 | #endif |
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| 132 |