Use File(RawFD(fd)) in preference to fdio(fd).

base/file.jl

@@ -195,12 +195,12 @@ end
 # Obtain a temporary directory's path.
 tempdir() = dirname(tempname())
 
-# Create and return the name of a temporary file along with an IOStream
+# Create and return the name of a temporary file along with an IO
 function mktemp(parent=tempdir())
     b = joinpath(parent, "tmpXXXXXX")
     p = ccall(:mkstemp, Int32, (Cstring,), b) # modifies b
     systemerror(:mktemp, p == -1)
-    return (b, fdio(p, true))
+    return (b, File(RawFD(p)))
 end
 
 # Create and return the name of a temporary directory

base/mmap.jl

@@ -49,6 +49,7 @@ function settings(s::Int, shared::Bool)
     end
     return prot, flags, (prot & PROT_WRITE) > 0
 end
+settings(fd::RawFD, shared::Bool) = settings(Int(fd.fd), shared)
 
 # Before mapping, grow the file to sufficient size
 # Note: a few mappable streams do not support lseek. When Julia

base/sharedarray.jl

@@ -526,7 +526,7 @@ function _shm_mmap_array(T, dims, shm_seg_name, mode)
     fd_mem = shm_open(shm_seg_name, mode, S_IRUSR | S_IWUSR)
     systemerror("shm_open() failed for " * shm_seg_name, fd_mem < 0)
 
-    s = fdio(fd_mem, true)
+    s = File(RawFD(fd_mem))
 
     # On OSX, ftruncate must to used to set size of segment, just lseek does not work.
     # and only at creation time

base/stream.jl

@@ -271,9 +271,7 @@ disassociate_julia_struct(handle::Ptr{Void}) =
 function init_stdio(handle::Ptr{Void})
     t = ccall(:jl_uv_handle_type, Int32, (Ptr{Void},), handle)
     if t == UV_FILE
-        return fdio(ccall(:jl_uv_file_handle, Int32, (Ptr{Void},), handle))
-#       Replace ios.c file with libuv file?
-#       return File(RawFD(ccall(:jl_uv_file_handle,Int32,(Ptr{Void},),handle)))
+        return File(RawFD(ccall(:jl_uv_file_handle,Int32,(Ptr{Void},),handle)))
     else
         if t == UV_TTY
             ret = TTY(handle)

test/cmdlineargs.jl

@@ -168,20 +168,23 @@ let exename = `$(Base.julia_cmd()) --precompiled=yes`
         # FIXME these should also be run on windows once the bug causing them to hang gets fixed
         @unix_only let out  = Pipe(),
                        proc = spawn(pipeline(`$exename -E "$code" --depwarn=yes`, stderr=out))
-
-            wait(proc)
             close(out.in)
+            result = UInt8[]
+            @async append!(result, read(out))
+            wait(proc)
             @test success(proc)
-            @test readchomp(out) == "WARNING: Foo.Deprecated is deprecated.\n  likely near no file:5"
+            @test UTF8String(result) == "WARNING: Foo.Deprecated is deprecated.\n  likely near no file:5\n"
         end
 
         @unix_only let out  = Pipe(),
                        proc = spawn(pipeline(`$exename -E "$code" --depwarn=no`, stderr=out))
-
+            close(out.in)
+            result = UInt8[]
+            @async append!(result, read(out))
             wait(proc)
             close(out.in)
             @test success(proc)
-            @test isempty(readstring(out))
+            @test isempty(result)
         end
     end