Remove <sys/mman.h> inlines for obsolete API levels.
The next NDK to take these headers only supports API 21 and later.
Test: treehugger
Change-Id: I64baf933d3796f20dee5c1465ed58f8bb45394b5
diff --git a/libc/include/android/legacy_sys_mman_inlines.h b/libc/include/android/legacy_sys_mman_inlines.h
deleted file mode 100644
index 04b3e97..0000000
--- a/libc/include/android/legacy_sys_mman_inlines.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
- * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#pragma once
-
-#include <sys/cdefs.h>
-
-#if __ANDROID_API__ < 21
-
-#include <errno.h>
-#include <sys/mman.h>
-#include <unistd.h>
-
-__BEGIN_DECLS
-
-/*
- * While this was never an inline, this function alone has caused most of the
- * bug reports related to _FILE_OFFSET_BITS=64. Providing an inline for it
- * should allow a lot more code to build with _FILE_OFFSET_BITS=64 when
- * targeting pre-L.
- */
-static __inline void* mmap64(void* __addr, size_t __size, int __prot, int __flags, int __fd,
- off64_t __offset) __RENAME(mmap64);
-static __inline void* mmap64(void* __addr, size_t __size, int __prot, int __flags, int __fd,
- off64_t __offset) {
- const int __mmap2_shift = 12; // 2**12 == 4096
- if (__offset < 0 || (__offset & ((1UL << __mmap2_shift) - 1)) != 0) {
- errno = EINVAL;
- return MAP_FAILED;
- }
-
- // prevent allocations large enough for `end - start` to overflow
- size_t __rounded = __BIONIC_ALIGN(__size, PAGE_SIZE);
- if (__rounded < __size || __rounded > PTRDIFF_MAX) {
- errno = ENOMEM;
- return MAP_FAILED;
- }
-
- extern void* __mmap2(void* __addr, size_t __size, int __prot, int __flags, int __fd,
- size_t __offset);
- return __mmap2(__addr, __size, __prot, __flags, __fd, __offset >> __mmap2_shift);
-}
-
-__END_DECLS
-
-#endif
diff --git a/libc/include/sys/mman.h b/libc/include/sys/mman.h
index fea9332..bcf856d 100644
--- a/libc/include/sys/mman.h
+++ b/libc/include/sys/mman.h
@@ -55,17 +55,14 @@
void* mmap(void* __addr, size_t __size, int __prot, int __flags, int __fd, off_t __offset);
#endif
-#if __ANDROID_API__ >= 21
/**
* mmap64() is a variant of mmap() that takes a 64-bit offset even on LP32.
*
* See https://android.googlesource.com/platform/bionic/+/master/docs/32-bit-abi.md
*
- * mmap64 wasn't really around until L, but we added an inline for it since it
- * allows a lot more code to compile with _FILE_OFFSET_BITS=64.
+ * Available since API level 21.
*/
void* mmap64(void* __addr, size_t __size, int __prot, int __flags, int __fd, off64_t __offset) __INTRODUCED_IN(21);
-#endif
/**
* [munmap(2)](http://man7.org/linux/man-pages/man2/munmap.2.html)
@@ -232,5 +229,3 @@
int posix_madvise(void* __addr, size_t __size, int __advice) __INTRODUCED_IN(23);
__END_DECLS
-
-#include <android/legacy_sys_mman_inlines.h>