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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-09-19 19:43:57 +0000
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2008-09-19 19:43:57 +0000
commit71c10cea5a832d2412a551c849bd5655e65e1c22 (patch)
tree3cca62ed38f7c85d5d34c73db75228b6738dc49d /libc/sysdeps/linux/i386
parentdfd1f080f49437b390809bbfaac3cd7127f97a3d (diff)
- add posix_fadvise. Not yet tested most likely broken in advise64
Diffstat (limited to 'libc/sysdeps/linux/i386')
-rw-r--r--libc/sysdeps/linux/i386/Makefile.arch5
-rw-r--r--libc/sysdeps/linux/i386/posix_fadvise.c34
2 files changed, 39 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/i386/Makefile.arch b/libc/sysdeps/linux/i386/Makefile.arch
index ea2fce0d3..bff33a8f2 100644
--- a/libc/sysdeps/linux/i386/Makefile.arch
+++ b/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
diff --git a/libc/sysdeps/linux/i386/posix_fadvise.c b/libc/sysdeps/linux/i386/posix_fadvise.c
new file mode 100644
index 000000000..5406213b8
--- /dev/null
+++ b/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