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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1670 | pj | 1 | #ifndef __HLP_H__ |
| 2 | #define __HLP_H__ |
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| 3 | |||
| 4 | #include <kernel/model.h> |
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| 5 | #include <kernel/descr.h> |
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| 6 | #include "ll/sys/cdefs.h" |
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| 7 | |||
| 8 | __BEGIN_DECLS |
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| 9 | |||
| 10 | #define HLP_RCLASS 0x0600 |
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| 11 | #define HLP2_RCLASS 0x0700 |
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| 12 | |||
| 13 | /* ----------------------------------------------------------------------- |
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| 14 | HLP_RES_MODEL: Stack Resource Policy resource model |
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| 15 | ----------------------------------------------------------------------- */ |
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| 16 | |||
| 17 | typedef struct { |
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| 18 | RES_MODEL r; |
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| 19 | DWORD preempt; /* the preemption level of a task */ |
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| 20 | } HLP_RES_MODEL; |
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| 21 | |||
| 22 | #define HLP_res_default_model(res, pre) \ |
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| 23 | res_default_model((res).r, HLP_RCLASS); \ |
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| 24 | (res).preempt = (pre) |
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| 25 | #define HLP_res_def_level(res,l) res_def_level(res,l) |
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| 26 | |||
| 27 | |||
| 28 | |||
| 29 | |||
| 30 | /* ----------------------------------------------------------------------- |
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| 31 | HLP_mutexattr_t: Higher Locker Priority Mutex Attribute |
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| 32 | ----------------------------------------------------------------------- */ |
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| 33 | #define HLP_MCLASS 0x0700 |
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| 34 | |||
| 35 | #define HLP_MUTEXATTR_INITIALIZER {HLP_MCLASS} |
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| 36 | #define HLP_mutexattr_default(a) mutexattr_default(a, HLP_MCLASS) |
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| 37 | |||
| 38 | |||
| 39 | RLEVEL HLP_register_module(void); |
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| 40 | |||
| 41 | extern __inline__ RES_MODEL *HLP_usemutex(mutex_t *m) { |
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| 42 | return (RES_MODEL *)m->opt; |
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| 43 | }; |
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| 44 | |||
| 45 | |||
| 46 | #define XHLP_INVALID_LOCK 12 |
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| 47 | |||
| 48 | |||
| 49 | typedef mutexattr_t HLP_mutexattr_t; |
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| 50 | |||
| 51 | #define HLP_MUTEXATTR_INITIALIZER {HLP_MCLASS} |
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| 52 | #define HLP_mutexattr_default(a) mutexattr_default(a, HLP_MCLASS) |
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| 53 | |||
| 54 | |||
| 55 | typedef struct HLP_mutexstruct_t HLP_mutex_t; |
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| 56 | typedef struct HLP_taskliststruct_t HLP_tasklist_t; |
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| 57 | |||
| 58 | /* this is the structure normally pointed by the opt field in the |
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| 59 | mutex_t structure */ |
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| 60 | struct HLP_mutexstruct_t { |
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| 61 | RES_MODEL r; /*+ This little trick make possible the use of |
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| 62 | HLP_usemutex +*/ |
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| 63 | |||
| 64 | PID owner; /* process that owns the mutex, else nil */ |
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| 65 | |||
| 66 | HLP_tasklist_t *tasklist; /* process list that can use(locking or not) |
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| 67 | the mutex, ordered by preemption |
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| 68 | level */ |
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| 69 | |||
| 70 | struct HLP_mutexstruct_t *next; /* next mutex of the list */ |
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| 71 | |||
| 72 | }; |
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| 73 | |||
| 74 | struct HLP_taskliststruct_t { |
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| 75 | |||
| 76 | PID pid; |
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| 77 | |||
| 78 | DWORD preempt; /* preemption level */ |
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| 79 | |||
| 80 | HLP_mutex_t *mutexlist; /* list of mutexes */ |
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| 81 | |||
| 82 | HLP_tasklist_t *next; /* next task handled by HLP */ |
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| 83 | HLP_tasklist_t *prev; /* prev task handled by HLP */ |
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| 84 | |||
| 85 | }; |
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| 86 | |||
| 87 | /* The HLP resource level descriptor */ |
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| 88 | typedef struct { |
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| 89 | mutex_resource_des m; /*+ the mutex interface +*/ |
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| 90 | |||
| 91 | HLP_mutex_t *mutexlist; /*+ an unordered list of all created HLP |
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| 92 | mutexes +*/ |
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| 93 | |||
| 94 | HLP_tasklist_t *tasklist; /*+ An ordered list by preemption level |
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| 95 | of all task handled by HLP +*/ |
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| 96 | |||
| 97 | } HLP_mutex_resource_des; |
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| 98 | |||
| 99 | __END_DECLS |
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| 100 | #endif |