20,11 → 20,11 |
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/** |
------------ |
CVS : $Id: npp.c,v 1.1.1.1 2002-03-29 14:12:52 pj Exp $ |
CVS : $Id: npp.c,v 1.2 2003-01-07 17:07:50 pj Exp $ |
|
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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Non Preemptive Protocol. see npp.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> |
71,6 → 70,7 |
} NPP_mutex_resource_des; |
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#if 0 |
/*+ print resource protocol statistics...+*/ |
static void NPP_resource_status(RLEVEL r) |
{ |
78,18 → 78,14 |
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kern_printf("%d Resources owned by the tasks %d\n", m->nlocked, exec_shadow); |
} |
#endif |
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static int NPP_level_accept_resource_model(RLEVEL l, RES_MODEL *r) |
static int NPP_res_register(RLEVEL l, PID p, RES_MODEL *r) |
{ |
/* NPP works with all tasks without Resource parameters */ |
return -1; |
} |
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static void NPP_res_register(RLEVEL l, PID p, RES_MODEL *r) |
{ |
/* never called!!! */ |
} |
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static void NPP_res_detach(RLEVEL l, PID p) |
{ |
NPP_mutex_resource_des *m = (NPP_mutex_resource_des *)(resource_table[l]); |
98,16 → 94,11 |
kern_raise(XMUTEX_OWNER_KILLED, p); |
} |
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static int NPP_level_accept_mutexattr(RLEVEL l, const mutexattr_t *a) |
static int NPP_init(RLEVEL l, mutex_t *m, const mutexattr_t *a) |
{ |
if (a->mclass == NPP_MCLASS || a->mclass == (NPP_MCLASS | l) ) |
return 0; |
else |
if (a->mclass != NPP_MCLASS) |
return -1; |
} |
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static int NPP_init(RLEVEL l, mutex_t *m, const mutexattr_t *a) |
{ |
m->mutexlevel = l; |
m->opt = (void *)NIL; |
|
187,20 → 178,11 |
resource_table[l] = (resource_des *)m; |
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/* fill the resource_des descriptor */ |
strncpy(m->m.r.res_name, NPP_MODULENAME, MAX_MODULENAME); |
m->m.r.res_code = NPP_MODULE_CODE; |
m->m.r.res_version = NPP_MODULE_VERSION; |
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m->m.r.rtype = MUTEX_RTYPE; |
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m->m.r.resource_status = NPP_resource_status; |
m->m.r.level_accept_resource_model = NPP_level_accept_resource_model; |
m->m.r.res_register = NPP_res_register; |
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m->m.r.res_detach = NPP_res_detach; |
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/* fill the mutex_resource_des descriptor */ |
m->m.level_accept_mutexattr = NPP_level_accept_mutexattr; |
m->m.init = NPP_init; |
m->m.destroy = NPP_destroy; |
m->m.lock = NPP_lock; |