Support cancellation in librt.
[kopensolaris-gnu/glibc.git] / linuxthreads / sysdeps / unix / sysv / linux / x86_64 / sysdep-cancel.h
index 4ae543c..742dbeb 100644 (file)
@@ -24,7 +24,7 @@
 # include <linuxthreads/internals.h>
 #endif
 
-#if !defined NOT_IN_libc || defined IS_IN_libpthread
+#if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
 
 # undef PSEUDO
 # define PSEUDO(name, syscall_name, args)                                    \
 #  define CENABLE      call __pthread_enable_asynccancel;
 #  define CDISABLE     call __pthread_disable_asynccancel;
 #  define __local_multiple_threads __pthread_multiple_threads
-# else
+# elif !defined NOT_IN_libc
 #  define CENABLE      call __libc_enable_asynccancel;
 #  define CDISABLE     call __libc_disable_asynccancel;
 #  define __local_multiple_threads __libc_multiple_threads
+# else
+#  define CENABLE      call __librt_enable_asynccancel@plt;
+#  define CDISABLE     call __librt_disable_asynccancel@plt;
 # endif
 
-# ifndef __ASSEMBLER__
+# if defined IS_IN_libpthread || !defined NOT_IN_libc
+#  ifndef __ASSEMBLER__
 extern int __local_multiple_threads attribute_hidden;
 #   define SINGLE_THREAD_P \
   __builtin_expect (__local_multiple_threads == 0, 1)
+#  else
+#   define SINGLE_THREAD_P cmpl $0, __local_multiple_threads(%rip)
+#  endif
+
 # else
-#  define SINGLE_THREAD_P cmpl $0, __local_multiple_threads(%rip)
+
+#  ifndef __ASSEMBLER__
+#   define SINGLE_THREAD_P \
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF, \
+                                  p_header.data.multiple_threads) == 0, 1)
+#  else
+#   define SINGLE_THREAD_P cmpl $0, %fs:MULTIPLE_THREADS_OFFSET
+#  endif
+
 # endif
 
 #elif !defined __ASSEMBLER__