Commit 4ce8e01a7ada3c75f7407dc9fafd25b4ac38d037

Dhruva Krishnamurthy 2020-06-17T14:31:11

Support build with NO_MMAP to disable use of system mmap * Use pread/pwrite to avoid updating position in file descriptor * Emulate missing pread/pwrite on win32 using overlapped file IO