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new way to build

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This commit is contained in:
Marty Kraimer
2000-02-02 20:06:49 +00:00
parent 9fe023c66a
commit 60427c66e2
14 changed files with 66 additions and 157 deletions
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115
src/vxWorks/include/fast_lock.h
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@@ -69,123 +69,26 @@
#include <vxLib.h>
#endif
/*
* Macro equivalent of vxWorks glue for better performance
*/
#ifdef VRTX_KERNEL
# define semGive(SEMID)\
{ if ((SEMID)->count == 0)vrtxPost (&((SEMID)->count), 1); }
# define semTake(SEMID)\
{int dummy; vrtxPend (&((SEMID)->count), 0, &dummy); }
#endif
#define FAST_LOCK SEM_ID
typedef struct{
SEM_ID ppend; /* wait for lock sem */
unsigned short count; /* cnt of tasks waiting for lock */
unsigned char lock; /* test and set lock bit */
char pad; /* structure alignment */
}FAST_LOCK;
#define SEM_FAST_LOCK
#if defined(SEM_FAST_LOCK) /* no lock test */
#define FASTLOCKINIT(PFAST_LOCK)\
(((FAST_LOCK *)(PFAST_LOCK))->ppend = \
(*(PFAST_LOCK) = \
semMCreate(SEM_DELETE_SAFE|SEM_INVERSION_SAFE|SEM_Q_PRIORITY))
#define FASTLOCKFREE(PFAST_LOCK)\
semDelete( ((FAST_LOCK *)(PFAST_LOCK))->ppend )
semDelete(*(PFAST_LOCK))
#define FASTLOCK(PFAST_LOCK)\
semTake(((FAST_LOCK *)(PFAST_LOCK))->ppend, WAIT_FOREVER);
semTake(*(PFAST_LOCK), WAIT_FOREVER);
#define FASTUNLOCK(PFAST_LOCK)\
semGive(((FAST_LOCK *)(PFAST_LOCK))->ppend);
semGive(*(PFAST_LOCK))
#define FASTLOCKNOWAIT(PFAST_LOCK) \
((semTake(((FAST_LOCK *)(PFAST_LOCK))->ppend,NO_WAIT)==0) ? TRUE : FALSE)
(semTake(*(PFAST_LOCK),NO_WAIT)==0) ? TRUE : FALSE)
#define FASTLOCKTEST(PFAST_LOCK) \
(\
(semTake(((FAST_LOCK *)(PFAST_LOCK))->ppend,NO_WAIT)==0 )\
? (semGive(((FAST_LOCK *)(PFAST_LOCK))->ppend),FALSE)\
: TRUE \
(semTake(*(PFAST_LOCK),NO_WAIT)==0 )\
? (semGive(*(PFAST_LOCK),FALSE)\
: TRUE) \
)
#elif defined(TASK_LOCK_FAST_LOCK)
#define FASTLOCKINIT(PFAST_LOCK)\
(\
((FAST_LOCK *)(PFAST_LOCK))->count =0, \
((FAST_LOCK *)(PFAST_LOCK))->lock =0, \
((FAST_LOCK *)(PFAST_LOCK))->ppend = \
semBCreate(SEM_Q_PRIORITY, SEM_EMPTY) \
)
#define FASTLOCKFREE(PFAST_LOCK)\
semDelete( ((FAST_LOCK *)(PFAST_LOCK))->ppend )
#define FASTLOCK(PFAST_LOCK)\
{\
TASK_LOCK;\
while( ((FAST_LOCK *)(PFAST_LOCK))->lock ){\
((FAST_LOCK *)(PFAST_LOCK))->count++;\
TASK_UNLOCK;\
semTake(((FAST_LOCK *)(PFAST_LOCK))->ppend, WAIT_FOREVER);\
TASK_LOCK;\
(((FAST_LOCK *)(PFAST_LOCK))->count)--;\
}\
((FAST_LOCK *)(PFAST_LOCK))->lock= TRUE;
TASK_UNLOCK;
}
#define FASTUNLOCK(PFAST_LOCK)\
{\
((FAST_LOCK *)(PFAST_LOCK))->lock = FALSE;\
if( ((FAST_LOCK *)(PFAST_LOCK))->count )\
semGive(((FAST_LOCK *)(PFAST_LOCK))->ppend);\
};
#define FASTLOCKTEST(PFAST_LOCK)\
( ((FAST_LOCK *)(PFAST_LOCK))->lock )
#else /* vxTas() fast lock */
/*
* extra paren avoids order of ops problems
* (returns what semBCreate returns on v5 vxWorks)
*/
#define FASTLOCKINIT(PFAST_LOCK)\
(\
((FAST_LOCK *)(PFAST_LOCK))->count =0, \
((FAST_LOCK *)(PFAST_LOCK))->lock =0, \
((FAST_LOCK *)(PFAST_LOCK))->ppend = \
semBCreate(SEM_Q_PRIORITY, SEM_EMPTY) \
)
/*
* new requirement with v5 vxWorks
*/
#define FASTLOCKFREE(PFAST_LOCK)\
semDelete( ((FAST_LOCK *)(PFAST_LOCK))->ppend )
#define FASTLOCK(PFAST_LOCK)\
{\
((FAST_LOCK *)(PFAST_LOCK))->count++;\
while(!vxTas( (char *)&( ((FAST_LOCK *)(PFAST_LOCK))->lock ) ))\
semTake(((FAST_LOCK *)(PFAST_LOCK))->ppend, WAIT_FOREVER);\
( ((FAST_LOCK *)(PFAST_LOCK))->count)--;\
}
#define FASTUNLOCK(PFAST_LOCK)\
{\
((FAST_LOCK *)(PFAST_LOCK))->lock = FALSE;\
if( ((FAST_LOCK *)(PFAST_LOCK))->count )\
semGive(((FAST_LOCK *)(PFAST_LOCK))->ppend);\
};
#define FASTLOCKNOWAIT(PFAST_LOCK) (vxTas((char *)&(((FAST_LOCK *)(PFAST_LOCK))->lock)))
#define FASTLOCKTEST(PFAST_LOCK)\
( ((FAST_LOCK *)(PFAST_LOCK))->lock )
#endif
#endif /* Nothing after this endif */