Update.

2003-06-17  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/sleep.c: Use CANCELLATION_P if defined before
	returning because seconds==0.

7 files changed, 78 insertions, 13 deletions

diff --git a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
index e4df0ae2df..e932359327 100644
--- a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
@@ -342,9 +342,14 @@
 # ifdef IS_IN_libpthread
 #  define CENABLE	call __pthread_enable_asynccancel;
 #  define CDISABLE	call __pthread_disable_asynccancel
-# else
+# elif !defined NOT_IN_libc
 #  define CENABLE	call __libc_enable_asynccancel;
 #  define CDISABLE	call __libc_disable_asynccancel
+# elif defined IS_IN_librt
+#  define CENABLE	call __librt_enable_asynccancel;
+#  define CDISABLE	call __librt_disable_asynccancel
+# else
+#  error Unsupported library
 # endif
 # define POPSTATE_0 \
  pushl %eax; L(PUSHSTATE): movl %ecx, %eax; CDISABLE; popl %eax; L(POPSTATE):
diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
index cf116a7885..00662e9d6b 100644
--- a/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
@@ -85,9 +85,14 @@ __syscall_error_##args:							      \
 # ifdef IS_IN_libpthread
 #  define CENABLE	br.call.sptk.many b0 = __pthread_enable_asynccancel
 #  define CDISABLE	br.call.sptk.many b0 = __pthread_disable_asynccancel
-# else
+# elif !defined NOT_IN_libc
 #  define CENABLE	br.call.sptk.many b0 = __libc_enable_asynccancel
 #  define CDISABLE	br.call.sptk.many b0 = __libc_disable_asynccancel
+# elif defined IS_IN_librt
+#  define CENABLE	br.call.sptk.many b0 = __librt_enable_asynccancel
+#  define CDISABLE	br.call.sptk.many b0 = __librt_disable_asynccancel
+# else
+#  error Unsupported library
 # endif
 
 #define COPY_ARGS_0	/* Nothing */
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
index 0f4401203a..7c669bfb3e 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep-cancel.h
@@ -79,9 +79,14 @@
 # ifdef IS_IN_libpthread
 #  define CENABLE	bl JUMPTARGET(__pthread_enable_asynccancel)
 #  define CDISABLE	bl JUMPTARGET(__pthread_disable_asynccancel)
-# else
+# elif !defined NOT_IN_libc
 #  define CENABLE	bl JUMPTARGET(__libc_enable_asynccancel)
 #  define CDISABLE	bl JUMPTARGET(__libc_disable_asynccancel)
+# elif defined IS_IN_librt
+#  define CENABLE	bl JUMPTARGET(__librt_enable_asynccancel)
+#  define CDISABLE	bl JUMPTARGET(__librt_disable_asynccancel)
+# else
+#  error Unsupported library
 # endif
 
 # ifndef __ASSEMBLER__
diff --git a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
index 09a612ee25..35adb1f39d 100644
--- a/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep-cancel.h
@@ -79,9 +79,14 @@
 # ifdef IS_IN_libpthread
 #  define CENABLE	bl JUMPTARGET(__pthread_enable_asynccancel)
 #  define CDISABLE	bl JUMPTARGET(__pthread_disable_asynccancel)
-# else
+# elif !defined NOT_IN_libc
 #  define CENABLE	bl JUMPTARGET(__libc_enable_asynccancel)
 #  define CDISABLE	bl JUMPTARGET(__libc_disable_asynccancel)
+# elif defined IS_IN_librt
+#  define CENABLE	bl JUMPTARGET(__librt_enable_asynccancel)
+#  define CDISABLE	bl JUMPTARGET(__librt_disable_asynccancel)
+# else
+#  error Unsupported library
 # endif
 
 # ifndef __ASSEMBLER__
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
index 613a5590db..80671df08a 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/s390/s390-32/sysdep-cancel.h
@@ -62,9 +62,14 @@ L(pseudo_end):
 # ifdef IS_IN_libpthread
 #  define CENABLE	__pthread_enable_asynccancel
 #  define CDISABLE	__pthread_disable_asynccancel
-# else
+# elif !defined NOT_IN_libc
 #  define CENABLE	__libc_enable_asynccancel
 #  define CDISABLE	__libc_disable_asynccancel
+# elif defined IS_IN_librt
+#  define CENABLE	__librt_enable_asynccancel
+#  define CDISABLE	__librt_disable_asynccancel
+# else
+#  error Unsupported library
 # endif
 
 #define STM_0		/* Nothing */
diff --git a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
index 0c650bff23..f3722a0d8f 100644
--- a/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/s390/s390-64/sysdep-cancel.h
@@ -58,10 +58,15 @@ L(pseudo_end):
 #  define CENABLE	__pthread_enable_asynccancel
 #  define CDISABLE	__pthread_disable_asynccancel
 #  define __local_multiple_threads	__pthread_multiple_threads
-# else
+# elif !defined NOT_IN_libc
 #  define CENABLE	__libc_enable_asynccancel
 #  define CDISABLE	__libc_disable_asynccancel
 #  define __local_multiple_threads	__libc_multiple_threads
+# elif defined IS_IN_librt
+#  define CENABLE	__librt_enable_asynccancel
+#  define CDISABLE	__librt_disable_asynccancel
+# else
+#  error Unsupported library
 # endif
 
 #define STM_0		/* Nothing */
@@ -78,14 +83,31 @@ L(pseudo_end):
 #define LM_4		lmg %r2,%r5,16+160(%r15);
 #define LM_5		lmg %r2,%r5,16+160(%r15);
 
-# ifndef __ASSEMBLER__
+# if defined IS_IN_libpthread || !defined NOT_IN_libc
+#  ifndef __ASSEMBLER__
 extern int __local_multiple_threads attribute_hidden;
-#  define SINGLE_THREAD_P \
+#   define SINGLE_THREAD_P \
   __builtin_expect (__local_multiple_threads == 0, 1)
-# else
-#  define SINGLE_THREAD_P \
+#  else
+#   define SINGLE_THREAD_P \
 	larl	%r1,__local_multiple_threads;				      \
 	icm	%r0,15,0(%r1);
+#  endif
+
+# else
+
+#  ifndef __ASSEMBLER__
+#   define SINGLE_THREAD_P \
+  __builtin_expect (THREAD_GETMEM (THREAD_SELF,				      \
+				   header.multiple_threads) == 0, 1)
+#  else
+#   define SINGLE_THREAD_P \
+	ear	%r1,%a0;						      \
+	sllg	%r1,%r1,32;						      \
+	ear	%r1,%a1;						      \
+	icm	%r1,15,MULTIPLE_THREADS_OFFSET(%r1);
+#  endif
+
 # endif
 
 #elif !defined __ASSEMBLER__
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h
index 5e85376049..8081d72468 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/sysdep-cancel.h
@@ -94,18 +94,36 @@
 #  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
+# elif defined IS_IN_librt
+#  define CENABLE	call __librt_enable_asynccancel;
+#  define CDISABLE	call __librt_disable_asynccancel;
+# else
+#  error Unsupported library
 # 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, \
+				   header.multiple_threads) == 0, 1)
+#  else
+#   define SINGLE_THREAD_P cmpl $0, %fs:MULTIPLE_THREADS_OFFSET
+#  endif
+
 # endif
 
 #elif !defined __ASSEMBLER__