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      1 // Test for ANNOTATE_BENIGN_RACE_STATIC() and ANNOTATE_UNPROTECTED_READ().
      2 
      3 
      4 #include <pthread.h> /* pthread_create() */
      5 #include <stdio.h>   /* fprintf() */
      6 #include "../../drd/drd.h"
      7 
      8 
      9 /* Local variables. */
     10 
     11 static int s_i;
     12 static volatile int s_j;
     13 
     14 ANNOTATE_BENIGN_RACE_STATIC(s_i, "Benign because duplicate assignment.");
     15 
     16 
     17 /* Local functions. */
     18 
     19 static inline void AnnotateIgnoreReadsBegin() { ANNOTATE_IGNORE_READS_BEGIN(); }
     20 static inline void AnnotateIgnoreReadsEnd() { ANNOTATE_IGNORE_READS_END(); }
     21 
     22 static void* thread_func(void*)
     23 {
     24 #if defined(__powerpc__) && __GNUC__ -0 == 4 && __GNUC_MINOR__ -0 == 3 \
     25     && __GNUC_PATCHLEVEL__ -0 == 0
     26   AnnotateIgnoreReadsBegin();
     27   int i = s_j;
     28   AnnotateIgnoreReadsEnd();
     29   s_i = i;
     30 #else
     31   s_i = ANNOTATE_UNPROTECTED_READ(s_j);
     32 #endif
     33   return 0;
     34 }
     35 
     36 int main(int argc, char** argv)
     37 {
     38   pthread_t tid;
     39 
     40   pthread_create(&tid, 0, thread_func, NULL);
     41   s_j++;
     42   s_i = s_j;
     43   pthread_join(tid, NULL);
     44 
     45   fprintf(stderr, "Done.\n");
     46 
     47   return 0;
     48 }
     49