remove support for non-ANSI compilation

@@ -18,10 +18,11 @@
  *
  * CDDL HEADER END
  */
 
 /*
+ * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  * Copyright (c) 1992, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
 #ifndef _SYNCH_H
 #define _SYNCH_H

@@ -84,11 +85,10 @@
         mutex_t         mutex;          /* used with process-shared rwlocks */
         cond_t          readercv;       /* used only to indicate ownership */
         cond_t          writercv;       /* used only to indicate ownership */
 } rwlock_t;
 
-#ifdef  __STDC__
 int     _lwp_mutex_lock(lwp_mutex_t *);
 int     _lwp_mutex_unlock(lwp_mutex_t *);
 int     _lwp_mutex_trylock(lwp_mutex_t *);
 int     _lwp_cond_wait(lwp_cond_t *, lwp_mutex_t *);
 int     _lwp_cond_timedwait(lwp_cond_t *, lwp_mutex_t *, timespec_t *);

@@ -125,54 +125,10 @@
 int     sema_timedwait(sema_t *, const timespec_t *);
 int     sema_reltimedwait(sema_t *, const timespec_t *);
 int     sema_post(sema_t *);
 int     sema_trywait(sema_t *);
 
-#else   /* __STDC__ */
-
-int     _lwp_mutex_lock();
-int     _lwp_mutex_unlock();
-int     _lwp_mutex_trylock();
-int     _lwp_cond_wait();
-int     _lwp_cond_timedwait();
-int     _lwp_cond_reltimedwait();
-int     _lwp_cond_signal();
-int     _lwp_cond_broadcast();
-int     _lwp_sema_init();
-int     _lwp_sema_wait();
-int     _lwp_sema_trywait();
-int     _lwp_sema_post();
-int     cond_init();
-int     cond_destroy();
-int     cond_wait();
-int     cond_timedwait();
-int     cond_reltimedwait();
-int     cond_signal();
-int     cond_broadcast();
-int     mutex_init();
-int     mutex_destroy();
-int     mutex_consistent();
-int     mutex_lock();
-int     mutex_trylock();
-int     mutex_unlock();
-int     rwlock_init();
-int     rwlock_destroy();
-int     rw_rdlock();
-int     rw_wrlock();
-int     rw_unlock();
-int     rw_tryrdlock();
-int     rw_trywrlock();
-int     sema_init();
-int     sema_destroy();
-int     sema_wait();
-int     sema_timedwait();
-int     sema_reltimedwait();
-int     sema_post();
-int     sema_trywait();
-
-#endif  /* __STDC__ */
-
 #endif /* _ASM */
 
 /* "Magic numbers" tagging synchronization object types */
 #define MUTEX_MAGIC     _MUTEX_MAGIC
 #define SEMA_MAGIC      _SEMA_MAGIC

@@ -236,12 +192,10 @@
 #define NO_COMPETING_THREADS    1
 #endif
 
 #ifndef _ASM
 
-#ifdef  __STDC__
-
 /*
  * The *_held() functions apply equally well to Solaris threads
  * and to Posix threads synchronization objects, but the formal
  * type declarations are different, so we just declare the argument
  * to each *_held() function to be a void *, expecting that they will

@@ -250,25 +204,12 @@
 int _sema_held(void *);                 /* sema_t or sem_t */
 int _rw_read_held(void *);              /* rwlock_t or pthread_rwlock_t */
 int _rw_write_held(void *);             /* rwlock_t or pthread_rwlock_t */
 int _mutex_held(void *);                /* mutex_t or pthread_mutex_t */
 
-#else   /* __STDC__ */
-
-int _sema_held();
-int _rw_read_held();
-int _rw_write_held();
-int _mutex_held();
-
-#endif  /* __STDC__ */
-
 /* Pause API */
-#ifdef  __STDC__
 void smt_pause(void);
-#else   /* __STDC__ */
-void smt_pause();
-#endif  /* __STDC__ */
 
 #endif /* _ASM */
 
 #ifdef  __cplusplus
 }