mutex.c

最新版的BCC, bcc-src-1.0.29c.rar,基于sparc平台处理器leon2,leon3,v7,v8等系列的linux环境下交叉编译工具

#include <sys/types.h>
#include <sys/lock.h>
#include <sys/fsu_pthread_mutex.h>

int (*__lbst_pthread_mutex_init)        (pthread_mutex_t *__mutex, pthread_mutexattr_t *__mutex_attr) = 0; 
int (*__lbst_pthread_mutex_destroy)     (pthread_mutex_t *__mutex) = 0; 
int (*__lbst_pthread_mutex_trylock)     (pthread_mutex_t *__mutex) = 0; 
int (*__lbst_pthread_mutex_lock)        (pthread_mutex_t *__mutex) = 0; 
int (*__lbst_pthread_mutex_unlock)      (pthread_mutex_t *__mutex) = 0; 
int (*__lbst_pthread_mutexattr_init)    (pthread_mutexattr_t *__attr) = 0; 
int (*__lbst_pthread_mutexattr_destroy) (pthread_mutexattr_t *__attr) = 0; 
int (*__lbst_pthread_mutexattr_settype) (pthread_mutexattr_t *__attr, int __kind) = 0; 

int ___st_pthread_mutex_init(mutex, attr)
     pthread_mutex_t *mutex;
     pthread_mutexattr_t *attr;
{
  if (__lbst_pthread_mutex_init) {
    return __lbst_pthread_mutex_init(mutex,attr);
  }
  return 0;  
}

int ___st_pthread_mutex_destroy(mutex) 
     pthread_mutex_t *mutex;
{
  if (__lbst_pthread_mutex_destroy) {
    return __lbst_pthread_mutex_destroy(mutex);
  }
  return 0;
}

int ___st_pthread_mutex_lock(mutex)
     pthread_mutex_t *mutex;
{
  if (__lbst_pthread_mutex_lock){
    return __lbst_pthread_mutex_lock(mutex);
  }
  return 0;
}

int ___st_pthread_mutex_trylock(mutex)
     pthread_mutex_t *mutex;
{
  if (__lbst_pthread_mutex_trylock) {
    return __lbst_pthread_mutex_trylock(mutex);
  }
  return 0;
}

int ___st_pthread_mutex_unlock(mutex)
     pthread_mutex_t *mutex;
{
  if(__lbst_pthread_mutex_unlock){
    return __lbst_pthread_mutex_unlock(mutex);
  }
  return 0;
}

int ___st_pthread_mutexattr_init(attr)
     pthread_mutexattr_t *attr;
{
  if (__lbst_pthread_mutexattr_init) {
    return __lbst_pthread_mutexattr_init(attr);
  }
  return(0);
}

int ___st_pthread_mutexattr_destroy(attr)
     pthread_mutexattr_t *attr;
{
  if (__lbst_pthread_mutexattr_destroy) {
    return __lbst_pthread_mutexattr_destroy(attr);
  }
  return 0;
}

int ___st_pthread_mutexattr_settype(attr,kind)
     pthread_mutexattr_t *attr;
     int kind;
{
  if (__lbst_pthread_mutexattr_settype){
    return __lbst_pthread_mutexattr_settype(attr,kind);
  }
  return 0;
}

#include <asm-leon/elfmacro.h>

weak_alias(___st_pthread_mutex_init,__st_pthread_mutex_init)
weak_alias(___st_pthread_mutex_destroy,__st_pthread_mutex_destroy)
weak_alias(___st_pthread_mutex_trylock,__st_pthread_mutex_trylock)
weak_alias(___st_pthread_mutex_lock,__st_pthread_mutex_lock)
weak_alias(___st_pthread_mutex_unlock,__st_pthread_mutex_unlock)
weak_alias(___st_pthread_mutexattr_init,__st_pthread_mutexattr_init)
weak_alias(___st_pthread_mutexattr_destroy,__st_pthread_mutexattr_destroy)
weak_alias(___st_pthread_mutexattr_settype,__st_pthread_mutexattr_settype)


/* /\* #ifndef weak_extern *\/ */
/* /\* #define weak_extern(symbol) _weak_extern (symbol) *\/ */
/* /\* #define _weak_extern(symbol) asm (".weak " #symbol); *\/ */
/* /\* #endif *\/ */

/* /\* weak_extern (__pthread_mutex_init) *\/ */
/* /\* weak_extern (__pthread_mutex_destroy) *\/ */
/* /\* weak_extern (__pthread_mutex_lock) *\/ */
/* /\* weak_extern (__pthread_mutex_trylock) *\/ */
/* /\* weak_extern (__pthread_mutex_unlock) *\/ */
/* /\* weak_extern (__pthread_mutexattr_init) *\/ */
/* /\* weak_extern (__pthread_mutexattr_destroy) *\/ */
/* /\* weak_extern (__pthread_mutexattr_settype) *\/ */
/* /\* weak_extern (__pthread_once) *\/ */
/* /\* weak_extern (__pthread_initialize) *\/ */


/* /\* Initialize the named lock variable, leaving it in a consistent, unlocked */
/*    state.  *\/ */
/* #define __libc_lock_init(NAME) \ */
/*   (__pthread_mutex_init != NULL ? __pthread_mutex_init (&(NAME), NULL) : 0); */

/* /\* Same as last but this time we initialize a recursive mutex.  *\/ */
/* #define __libc_lock_init_recursive(NAME) \ */
/*   do {									      \ */
/*     if (__pthread_mutex_init != NULL)					      \ */
/*       {									      \ */
/* 	pthread_mutexattr_t __attr;					      \ */
/* 	__pthread_mutexattr_init (&__attr);				      \ */
/* 	__pthread_mutexattr_settype (&__attr, PTHREAD_MUTEX_RECURSIVE_NP); \ */
/* 	__pthread_mutex_init (&(NAME), &__attr);			      \ */
/* 	__pthread_mutexattr_destroy (&__attr);				      \ */
/*       }									      \ */
/*   } while (0); */


/* /\* Finalize the named lock variable, which must be locked.  It cannot be */
/*    used again until __libc_lock_init is called again on it.  This must be */
/*    called on a lock variable before the containing storage is reused.  *\/ */
/* //#define __libc_lock_fini(NAME)              (__pthread_mutex_destroy != NULL ? __pthread_mutex_destroy (&(NAME)) : 0) */
/* #define __libc_lock_fini(NAME)              (__st_pthread_mutex_destroy (&(NAME))) */
/* /\* Finalize recursive named lock.  *\/ */
/* #define __libc_lock_fini_recursive(NAME)     __libc_lock_fini (NAME) */
/* /\* Lock the named lock variable.  *\/ */
/* //#define __libc_lock_lock(NAME)              (__pthread_mutex_lock != NULL ? __pthread_mutex_lock (&(NAME)) : 0) */
/* #define __libc_lock_lock(NAME)              (__st_pthread_mutex_lock (&(NAME))) */
/* /\* Lock the recursive named lock variable.  *\/ */
/* #define __libc_lock_lock_recursive(NAME)     __libc_lock_lock (NAME) */
/* /\* Try to lock the named lock variable.  *\/ */
/* //#define __libc_lock_trylock(NAME)           (__pthread_mutex_trylock != NULL ? __pthread_mutex_trylock (&(NAME)) : 0) */
/* #define __libc_lock_trylock(NAME)           (__st_pthread_mutex_trylock (&(NAME))) */
/* /\* Try to lock the recursive named lock variable.  *\/ */
/* #define __libc_lock_trylock_recursive(NAME)  __libc_lock_trylock (NAME) */
/* /\* Unlock the named lock variable.  *\/ */
/* //#define __libc_lock_unlock(NAME)            (__pthread_mutex_unlock != NULL ? __pthread_mutex_unlock (&(NAME)) : 0) */
/* #define __libc_lock_unlock(NAME)            (__st_pthread_mutex_unlock (&(NAME))) */
/* /\* Unlock the recursive named lock variable.  *\/ */
/* #define __libc_lock_unlock_recursive(NAME)   __libc_lock_unlock (NAME) */


/* extern int __st_pthread_mutex_init        (pthread_mutex_t *__mutex, pthread_mutexattr_t *__mutex_attr); */
/* extern int __st_pthread_mutex_destroy     (pthread_mutex_t *__mutex); */
/* extern int __st_pthread_mutex_trylock     (pthread_mutex_t *__mutex); */
/* extern int __st_pthread_mutex_lock        (pthread_mutex_t *__mutex); */
/* extern int __st_pthread_mutex_unlock      (pthread_mutex_t *__mutex); */
/* extern int __st_pthread_mutexattr_init    (pthread_mutexattr_t *__attr); */
/* extern int __st_pthread_mutexattr_destroy (pthread_mutexattr_t *__attr); */
/* extern int __st_pthread_mutexattr_settype (pthread_mutexattr_t *__attr, int __kind); */

/* /\* /\\* Functions that are used by this file and are internal to the GNU C library.  *\\/ *\/ */
/* /\* extern int __pthread_mutex_init        (pthread_mutex_t *__mutex, pthread_mutexattr_t *__mutex_attr); *\/ */
/* /\* extern int __pthread_mutex_destroy     (pthread_mutex_t *__mutex); *\/ */
/* /\* extern int __pthread_mutex_trylock     (pthread_mutex_t *__mutex); *\/ */
/* /\* extern int __pthread_mutex_lock        (pthread_mutex_t *__mutex); *\/ */
/* /\* extern int __pthread_mutex_unlock      (pthread_mutex_t *__mutex); *\/ */
/* /\* extern int __pthread_mutexattr_init    (pthread_mutexattr_t *__attr); *\/ */
/* /\* extern int __pthread_mutexattr_destroy (pthread_mutexattr_t *__attr); *\/ */
/* /\* extern int __pthread_mutexattr_settype (pthread_mutexattr_t *__attr, int __kind); *\/ */

/* /\* /\\* Make the pthread functions weak so that we can elide them from *\/ */
/* /\*    single-threaded processes.  *\\/ *\/ */

/* /\* #ifndef weak_extern *\/ */
/* /\* #define weak_extern(symbol) _weak_extern (symbol) *\/ */
/* /\* #define _weak_extern(symbol) asm (".weak " #symbol); *\/ */
/* /\* #endif *\/ */

/* /\* weak_extern (__pthread_mutex_init) *\/ */
/* /\* weak_extern (__pthread_mutex_destroy) *\/ */
/* /\* weak_extern (__pthread_mutex_lock) *\/ */
/* /\* weak_extern (__pthread_mutex_trylock) *\/ */
/* /\* weak_extern (__pthread_mutex_unlock) *\/ */
/* /\* weak_extern (__pthread_mutexattr_init) *\/ */
/* /\* weak_extern (__pthread_mutexattr_destroy) *\/ */
/* /\* weak_extern (__pthread_mutexattr_settype) *\/ */
/* /\* weak_extern (__pthread_once) *\/ */
/* /\* weak_extern (__pthread_initialize) *\/ */