am 0485846a: am 0eccc0f3: am 1158c7d5: Merge "Remove reference to NOT_USING_KLIBC and cygwin." (34b7a046) · Commits · e / os / android_system_core

libutils/FileMap.cpp

+1 −14

Original line number	Diff line number	Diff line
		@@ -141,20 +141,14 @@ bool FileMap::create(const char* origFileName, int fd, off64_t offset, size_t le

		// init on first use
		if (mPageSize == -1) {
		#if NOT_USING_KLIBC
		mPageSize = sysconf(_SC_PAGESIZE);
		if (mPageSize == -1) {
		ALOGE("could not get _SC_PAGESIZE\n");
		return false;
		}
		#else
		// this holds for Linux, Darwin, Cygwin, and doesn't pain the ARM
		mPageSize = 4096;
		#endif
		}

		adjust = offset % mPageSize;
		try_again:
		adjOffset = offset - adjust;
		adjLength = length + adjust;

		@@ -165,13 +159,6 @@ try_again:

		ptr = mmap(NULL, adjLength, prot, flags, fd, adjOffset);
		if (ptr == MAP_FAILED) {
		// Cygwin does not seem to like file mapping files from an offset.
		// So if we fail, try again with offset zero
		if (adjOffset > 0) {
		adjust = offset;
		goto try_again;
		}

		ALOGE("mmap(%lld,%zu) failed: %s\n",
		(long long)adjOffset, adjLength, strerror(errno));
		return false;