20,11 → 20,11 |
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/** |
------------ |
CVS : $Id: pi.c,v 1.1.1.1 2002-03-29 14:12:52 pj Exp $ |
CVS : $Id: pi.c,v 1.2 2003-01-07 17:07:50 pj Exp $ |
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File: $File$ |
Revision: $Revision: 1.1.1.1 $ |
Last update: $Date: 2002-03-29 14:12:52 $ |
Revision: $Revision: 1.2 $ |
Last update: $Date: 2003-01-07 17:07:50 $ |
------------ |
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Priority Inhertitance protocol. see pi.h for more details... |
56,7 → 56,6 |
#include <ll/ll.h> |
#include <ll/string.h> |
#include <ll/stdio.h> |
#include <modules/codes.h> |
#include <kernel/const.h> |
#include <sys/types.h> |
#include <kernel/descr.h> |
83,6 → 82,7 |
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#if 0 |
/*+ print resource protocol statistics...+*/ |
static void PI_resource_status(RLEVEL r) |
{ |
94,19 → 94,14 |
kern_printf("%-4d", m->nlocked[i]); |
} |
} |
#endif |
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static int PI_level_accept_resource_model(RLEVEL l, RES_MODEL *r) |
static int PI_res_register(RLEVEL l, PID p, RES_MODEL *r) |
{ |
/* priority inheritance works with all tasks without Resource parameters */ |
return -1; |
} |
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static void PI_res_register(RLEVEL l, PID p, RES_MODEL *r) |
{ |
/* never called!!! */ |
} |
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static void PI_res_detach(RLEVEL l, PID p) |
{ |
PI_mutex_resource_des *m = (PI_mutex_resource_des *)(resource_table[l]); |
115,18 → 110,13 |
kern_raise(XMUTEX_OWNER_KILLED, p); |
} |
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static int PI_level_accept_mutexattr(RLEVEL l, const mutexattr_t *a) |
{ |
if (a->mclass == PI_MCLASS || a->mclass == (PI_MCLASS | l) ) |
return 0; |
else |
return -1; |
} |
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static int PI_init(RLEVEL l, mutex_t *m, const mutexattr_t *a) |
{ |
PI_mutex_t *p; |
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if (a->mclass != PI_MCLASS) |
return -1; |
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p = (PI_mutex_t *) kern_alloc(sizeof(PI_mutex_t)); |
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/* control if there is enough memory; no control on init on a |
299,7 → 289,7 |
return 0; |
} |
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void PI_register_module(void) |
RLEVEL PI_register_module(void) |
{ |
RLEVEL l; /* the level that we register */ |
PI_mutex_resource_des *m; /* for readableness only */ |
317,20 → 307,11 |
resource_table[l] = (resource_des *)m; |
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/* fill the resource_des descriptor */ |
strncpy(m->m.r.res_name, PI_MODULENAME, MAX_MODULENAME); |
m->m.r.res_code = PI_MODULE_CODE; |
m->m.r.res_version = PI_MODULE_VERSION; |
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m->m.r.rtype = MUTEX_RTYPE; |
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m->m.r.resource_status = PI_resource_status; |
m->m.r.level_accept_resource_model = PI_level_accept_resource_model; |
m->m.r.res_register = PI_res_register; |
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m->m.r.res_detach = PI_res_detach; |
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/* fill the mutex_resource_des descriptor */ |
m->m.level_accept_mutexattr = PI_level_accept_mutexattr; |
m->m.init = PI_init; |
m->m.destroy = PI_destroy; |
m->m.lock = PI_lock; |
342,5 → 323,7 |
m->nlocked[i] = 0; |
m->blocked[i] = NIL; |
} |
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return l; |
} |
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