libpthread/nptl/sysdeps/unix/sysv/linux/m68k/sysdep-cancel.h

   1 #include <sysdep.h>
   2 #include <tls.h>
   3 #ifndef __ASSEMBLER__
   4 #include <pthreadP.h>
   5 #endif
   6
   7 #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
   8
   9 # ifdef IS_IN_libpthread
  10 #  define __local_multiple_threads __pthread_multiple_threads
  11 # elif !defined NOT_IN_libc
  12 #  define __local_multiple_threads __libc_multiple_threads
  13 # endif
  14
  15 # if defined IS_IN_libpthread || !defined NOT_IN_libc
  16 extern int __local_multiple_threads attribute_hidden;
  17 #  define SINGLE_THREAD_P __builtin_expect (__local_multiple_threads == 0, 1)
  18 # else
  19 #  define SINGLE_THREAD_P                                               \
  20    __builtin_expect (THREAD_GETMEM (THREAD_SELF,                        \
  21                                     header.multiple_threads) == 0, 1)
  22 # endif
  23
  24 #else
  25
  26 # define SINGLE_THREAD_P 1
  27 # define NO_CANCELLATION 1
  28
  29 #endif
  30
  31 #define RTLD_SINGLE_THREAD_P \
  32   __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
  33                                    header.multiple_threads) == 0, 1)