1 # 2013-02-07  Stefan Teleman <[email protected]>

     2 # Not everything aligns on 4.

     3 #

     4 #       * Fix Solaris alignment. (st)

     5 #

     6 --- gcc-4.7.3/libitm/config/posix/rwlock.h	2011-12-23 17:42:35.000000000 -0800

     7 +++ gcc-4.7.3/libitm/config/posix/rwlock.h	2013-02-25 14:28:47.945337684 -0800

     8 @@ -47,10 +47,14 @@

     9  

    10  class gtm_rwlock

    11  {

    12 -  pthread_mutex_t mutex;	        // Held if manipulating any field.

    13 -  pthread_cond_t c_readers;	        // Readers wait here

    14 -  pthread_cond_t c_writers;	        // Writers wait here for writers

    15 -  pthread_cond_t c_confirmed_writers;	// Writers wait here for readers

    16 +  pthread_mutex_t mutex

    17 +      __attribute__((__aligned__(8)));	// Held if manipulating any field.

    18 +  pthread_cond_t c_readers

    19 +      __attribute__((__aligned__(8)));	// Readers wait here

    20 +  pthread_cond_t c_writers

    21 +      __attribute__((__aligned__(8)));	// Writers wait here for writers

    22 +  pthread_cond_t c_confirmed_writers

    23 +      __attribute__((__aligned__(8)));	// Writers wait here for readers

    24  

    25    static const unsigned a_writer  = 1;	// An active writer.

    26    static const unsigned w_writer  = 2;	// The w_writers field != 0