- add posix_fadvise. Not yet tested most likely broken in advise64

libc/sysdeps/linux/i386/Makefile.arch

@@ -11,4 +11,9 @@ SSRC := \
 	__longjmp.S vfork.S clone.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \
 	sync_file_range.S syscall.S mmap.S mmap64.S
 
+ifeq ($(UCLIBC_HAS_ADVANCED_REALTIME),y)
+SSRC += posix_fadvise64.S
+CSRC += posix_fadvise.c
+endif
+
 include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch

libc/sysdeps/linux/i386/posix_fadvise.c

@@ -0,0 +1,34 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * posix_fadvise() for uClibc
+ *
+ * Copyright (C) 2008 Bernhard Reutner-Fischer <uclibc@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#if defined __USE_GNU
+#include <fcntl.h>
+
+
+#if defined __NR_fadvise64_64 || defined __NR_fadvise64
+libc_hidden_proto(posix_fadvise64)
+libc_hidden_proto(posix_fadvise)
+int posix_fadvise(int fd, off_t offset, off_t len, int advice)
+{
+	if (posix_fadvise64(fd, offset, len, advice) != 0)
+		return errno;
+	return 0;
+}
+libc_hidden_def(posix_fadvise)
+#elif defined __UCLIBC_HAS_STUBS__
+libc_hidden_proto(posix_fadvise)
+int posix_fadvise(int fd attribute_unused, off_t offset attribute_unused,
+				  off_t len attribute_unused, int advice attribute_unused)
+{
+	return ENOSYS;
+}
+libc_hidden_def(posix_fadvise)
+#endif
+#endif