manual.c

   1 /*
   2  * This file, unlike checkers.c, is maintained manually because these
   3  * checks for some reason cannot be done manually
   4  */
   5 int fprintf(FILE *stream, const char *format, ...)
   6 {
   7   va_list ap;
   8   va_start(ap, format);
   9   return vfprintf(stream, format, ap);
  10 }
  11
  12 int printf(const char *format, ...)
  13 {
  14   va_list ap;
  15   va_start(ap, format);
  16   return vprintf(format, ap);
  17 }
  18
  19 int pthread_cond_timedwait(pthread_cond_t * cond, pthread_mutex_t * mutex, const struct timespec* abstime)
  20 {
  21   static int (*func)(pthread_cond_t*, pthread_mutex_t*, const struct timespec* abstime);
  22
  23   if (in_rt)
  24   {
  25     printf("pthread_cond_timedwait() is called while in rt section\n");
  26 #if ABORT_ON_VIOLATION
  27     abort();
  28 #endif
  29   }
  30
  31   if(!func)
  32     //func = (int (*)(pthread_cond_t*, pthread_mutex_t*)) dlsym(RTLD_NEXT, "pthread_cond_wait");
  33     // see http://forums.novell.com/novell-product-support-forums/suse-linux-enterprise-server-sles/sles-configure-administer/385705-sles-10-2-java-hung-calling-pthread_cond_timedwait.html
  34     func = (int (*)()) dlvsym(RTLD_NEXT, "pthread_cond_timedwait", "GLIBC_2.3.2");
  35   if (func == NULL)
  36   {
  37     fprintf(stderr, "Error dlsym'ing\n");
  38     abort();
  39   }
  40   return(func(cond, mutex, abstime));
  41 }
  42
  43
  44 int pthread_cond_wait(pthread_cond_t * cond, pthread_mutex_t * mutex)
  45 {
  46   static int (*func)(pthread_cond_t*, pthread_mutex_t*);
  47
  48   if (in_rt)
  49   {
  50     printf("pthread_cond_wait() is called while in rt section\n");
  51 #if ABORT_ON_VIOLATION
  52     abort();
  53 #endif
  54   }
  55
  56   if(!func)
  57     //func = (int (*)(pthread_cond_t*, pthread_mutex_t*)) dlsym(RTLD_NEXT, "pthread_cond_wait");
  58     // see http://forums.novell.com/novell-product-support-forums/suse-linux-enterprise-server-sles/sles-configure-administer/385705-sles-10-2-java-hung-calling-pthread_cond_timedwait.html
  59     func = (int (*)(pthread_cond_t*, pthread_mutex_t*)) dlvsym(RTLD_NEXT, "pthread_cond_wait", "GLIBC_2.3.2");
  60   if (func == NULL)
  61   {
  62     fprintf(stderr, "Error dlsym'ing\n");
  63     abort();
  64   }
  65   return(func(cond, mutex));
  66 }
  67
  68