Remove the thread specific data subsystem from the unix build. Remove

legacy cruft from sqliteInt.h.  Use the new mutex subsystem in the PRNG. (CVS 4237)

FossilOrigin-Name: 3d60c14a32955b69e714a73372924d421899f83b

1 files changed, 1 insertions, 107 deletions

diff --git a/src/os_unix.c b/src/os_unix.c
index 3bb8a5bb4..71f4bafdd 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -2817,112 +2817,6 @@ int sqlite3UnixInMutex(int thisThrd){
 }
 
 /*
-** Remember the number of thread-specific-data blocks allocated.
-** Use this to verify that we are not leaking thread-specific-data.
-** Ticket #1601
-*/
-#ifdef SQLITE_TEST
-int sqlite3_tsd_count = 0;
-# ifdef SQLITE_UNIX_THREADS
-    static pthread_mutex_t tsd_counter_mutex = PTHREAD_MUTEX_INITIALIZER;
-#   define TSD_COUNTER(N) \
-             pthread_mutex_lock(&tsd_counter_mutex); \
-             sqlite3_tsd_count += N; \
-             pthread_mutex_unlock(&tsd_counter_mutex);
-# else
-#   define TSD_COUNTER(N)  sqlite3_tsd_count += N
-# endif
-#else
-# define TSD_COUNTER(N)  /* no-op */
-#endif
-
-/*
-** If called with allocateFlag>0, then return a pointer to thread
-** specific data for the current thread.  Allocate and zero the
-** thread-specific data if it does not already exist.
-**
-** If called with allocateFlag==0, then check the current thread
-** specific data.  Return it if it exists.  If it does not exist,
-** then return NULL.
-**
-** If called with allocateFlag<0, check to see if the thread specific
-** data is allocated and is all zero.  If it is then deallocate it.
-** Return a pointer to the thread specific data or NULL if it is
-** unallocated or gets deallocated.
-*/
-ThreadData *sqlite3UnixThreadSpecificData(int allocateFlag){
-  static const ThreadData zeroData = {0};  /* Initializer to silence warnings
-                                           ** from broken compilers */
-#ifdef SQLITE_UNIX_THREADS
-  static pthread_key_t key;
-  static int keyInit = 0;
-  ThreadData *pTsd;
-
-  if( !keyInit ){
-    sqlite3OsEnterMutex();
-    if( !keyInit ){
-      int rc;
-      rc = pthread_key_create(&key, 0);
-      if( rc ){
-        sqlite3OsLeaveMutex();
-        return 0;
-      }
-      keyInit = 1;
-    }
-    sqlite3OsLeaveMutex();
-  }
-
-  pTsd = pthread_getspecific(key);
-  if( allocateFlag>0 ){
-    if( pTsd==0 ){
-      if( !sqlite3TestMallocFail() ){
-        pTsd = sqlite3OsMalloc(sizeof(zeroData));
-      }
-#ifdef SQLITE_MEMDEBUG
-      sqlite3_isFail = 0;
-#endif
-      if( pTsd ){
-        *pTsd = zeroData;
-        pthread_setspecific(key, pTsd);
-        TSD_COUNTER(+1);
-      }
-    }
-  }else if( pTsd!=0 && allocateFlag<0 
-            && memcmp(pTsd, &zeroData, sizeof(ThreadData))==0 ){
-    sqlite3OsFree(pTsd);
-    pthread_setspecific(key, 0);
-    TSD_COUNTER(-1);
-    pTsd = 0;
-  }
-  return pTsd;
-#else
-  static ThreadData *pTsd = 0;
-  if( allocateFlag>0 ){
-    if( pTsd==0 ){
-#if 0
-      if( !sqlite3TestMallocFail() ){
-        pTsd = sqlite3OsMalloc( sizeof(zeroData) );
-      }
-#ifdef SQLITE_MEMDEBUG
-      sqlite3_isFail = 0;
-#endif
-#endif
-      if( pTsd ){
-        *pTsd = zeroData;
-        TSD_COUNTER(+1);
-      }
-    }
-  }else if( pTsd!=0 && allocateFlag<0
-            && memcmp(pTsd, &zeroData, sizeof(ThreadData))==0 ){
-    sqlite3OsFree(pTsd);
-    TSD_COUNTER(-1);
-    pTsd = 0;
-  }
-  return pTsd;
-#endif
-}
-
-/*
 ** The following variable, if set to a non-zero value, becomes the result
 ** returned from sqlite3OsCurrentTime().  This is used for testing.
 */
@@ -2952,5 +2846,5 @@ int sqlite3UnixCurrentTime(double *prNow){
 #endif
   return 0;
 }
-
+ 
 #endif /* OS_UNIX */