svn commit: trunk/uClibc/libc/sysdeps/linux/common

Peter S. Mazinger ps.m at gmx.net
Thu Aug 24 20:07:18 UTC 2006


On Thu, 24 Aug 2006, Peter S. Mazinger wrote:

> On Thu, 24 Aug 2006 vapier at uclibc.org wrote:
> 
> > Author: vapier
> > Date: 2006-08-24 12:13:14 -0700 (Thu, 24 Aug 2006)
> > New Revision: 15978
> > 
> > Log:
> > implement readahead()
> > 
> > Added:
> >    trunk/uClibc/libc/sysdeps/linux/common/readahead.c
> 
> I disabled the prototype in arch/bits/fcntl.h, do you correct it or should 
> I provide the patch?

Appended, Peter

-- 
Peter S. Mazinger <ps dot m at gmx dot net>           ID: 0xA5F059F2
Key fingerprint = 92A4 31E1 56BC 3D5A 2D08  BB6E C389 975E A5F0 59F2
-------------- next part --------------
Index: libc/sysdeps/linux/common/readahead.c
===================================================================
--- libc/sysdeps/linux/common/readahead.c	(revision 15983)
+++ libc/sysdeps/linux/common/readahead.c	(working copy)
@@ -23,7 +23,7 @@
 #include <sys/syscall.h>
 #include <bits/wordsize.h>
 
-#ifdef __NR_readahead
+#if defined __NR_readahead && defined __USE_GNU
 
 # define __NR___readahead __NR_readahead
 
Index: libc/sysdeps/linux/alpha/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/alpha/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/alpha/bits/fcntl.h	(working copy)
@@ -190,13 +190,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -213,6 +214,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/arm/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/arm/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/arm/bits/fcntl.h	(working copy)
@@ -206,13 +206,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -229,6 +230,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/bfin/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/bfin/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/bfin/bits/fcntl.h	(working copy)
@@ -196,13 +196,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -219,6 +220,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/cris/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/cris/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/cris/bits/fcntl.h	(working copy)
@@ -197,13 +197,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -220,6 +221,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/hppa/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/hppa/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/hppa/bits/fcntl.h	(working copy)
@@ -195,12 +195,13 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -216,6 +217,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
     
 #endif
     
Index: libc/sysdeps/linux/i386/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/i386/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/i386/bits/fcntl.h	(working copy)
@@ -198,13 +198,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -221,6 +222,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/ia64/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/ia64/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/ia64/bits/fcntl.h	(working copy)
@@ -192,13 +192,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -215,6 +216,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/m68k/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/m68k/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/m68k/bits/fcntl.h	(working copy)
@@ -196,13 +196,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -219,6 +220,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/mips/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/mips/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/mips/bits/fcntl.h	(working copy)
@@ -220,13 +220,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -243,6 +244,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/nios/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/nios/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/nios/bits/fcntl.h	(working copy)
@@ -196,13 +196,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -219,6 +220,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/nios2/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/nios2/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/nios2/bits/fcntl.h	(working copy)
@@ -196,13 +196,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -219,6 +220,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/powerpc/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/powerpc/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/powerpc/bits/fcntl.h	(working copy)
@@ -198,13 +198,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -221,6 +222,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/sh/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/sh/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/sh/bits/fcntl.h	(working copy)
@@ -198,13 +198,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -221,6 +222,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/sparc/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/sparc/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/sparc/bits/fcntl.h	(working copy)
@@ -217,13 +217,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -240,6 +241,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/vax/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/vax/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/vax/bits/fcntl.h	(working copy)
@@ -167,13 +167,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -190,6 +191,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 
Index: libc/sysdeps/linux/x86_64/bits/fcntl.h
===================================================================
--- libc/sysdeps/linux/x86_64/bits/fcntl.h	(revision 15983)
+++ libc/sysdeps/linux/x86_64/bits/fcntl.h	(working copy)
@@ -212,13 +212,14 @@
 
 __BEGIN_DECLS
 
-#if 0 /*def __USE_GNU*/
+#ifdef __USE_GNU
 
 /* Provide kernel hint to read ahead.  */
 extern ssize_t readahead (int __fd, __off64_t __offset, size_t __count)
     __THROW;
 
 
+#if 0
 /* Selective file content synch'ing.  */
 extern int sync_file_range (int __fd, __off64_t __from, __off64_t __to,
 			    unsigned int __flags);
@@ -235,6 +236,7 @@
 /* In-kernel implementation of tee for pipe buffers.  */
 extern int tee (int __fdin, int __fdout, size_t __len, unsigned int __flags)
     __THROW;
+#endif
 
 #endif
 


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