Use static global memory for std handles instead of allocating.

core/os/os2/file_linux.odin

@@ -39,37 +39,23 @@ _stderr := File{
 
 @init
 _standard_stream_init :: proc() {
-	@static stdin_impl := File_Impl {
-		name = "/proc/self/fd/0",
-		fd = 0,
+	new_std :: proc(impl: ^File_Impl, fd: linux.Fd, name: string) -> ^File {
+		impl.file.impl = impl
+		impl.fd = linux.Fd(fd)
+		impl.allocator = runtime.nil_allocator()
+		impl.name = name
+		impl.file.stream = {
+			data = impl,
+			procedure = _file_stream_proc,
+		}
+		impl.file.fstat = _fstat
+		return &impl.file
 	}
 
-	@static stdout_impl := File_Impl {
-		name = "/proc/self/fd/1",
-		fd = 1,
-	}
-
-	@static stderr_impl := File_Impl {
-		name = "/proc/self/fd/2",
-		fd = 2,
-	}
-
-	stdin_impl.allocator  = file_allocator()
-	stdout_impl.allocator = file_allocator()
-	stderr_impl.allocator = file_allocator()
-
-	_stdin.impl  = &stdin_impl
-	_stdout.impl = &stdout_impl
-	_stderr.impl = &stderr_impl
-
-	// cannot define these initially because cyclic reference
-	_stdin.stream.data  = &stdin_impl
-	_stdout.stream.data = &stdout_impl
-	_stderr.stream.data = &stderr_impl
-
-	stdin  = &_stdin
-	stdout = &_stdout
-	stderr = &_stderr
+	@(static) files: [3]File_Impl
+	stdin  = new_std(&files[0], 0, "/proc/self/fd/0")
+	stdout = new_std(&files[1], 1, "/proc/self/fd/1")
+	stderr = new_std(&files[2], 2, "/proc/self/fd/2")
 }
 
 _open :: proc(name: string, flags: File_Flags, perm: int) -> (f: ^File, err: Error) {
@@ -100,18 +86,18 @@ _open :: proc(name: string, flags: File_Flags, perm: int) -> (f: ^File, err: Err
 		return nil, _get_platform_error(errno)
 	}
 
-	return _new_file(uintptr(fd), name)
+	return _new_file(uintptr(fd), name, file_allocator())
 }
 
-_new_file :: proc(fd: uintptr, _: string = "") -> (f: ^File, err: Error) {
-	impl := new(File_Impl, file_allocator()) or_return
+_new_file :: proc(fd: uintptr, _: string, allocator: runtime.Allocator) -> (f: ^File, err: Error) {
+	impl := new(File_Impl, allocator) or_return
 	defer if err != nil {
-		free(impl, file_allocator())
+		free(impl, allocator)
 	}
 	impl.file.impl = impl
 	impl.fd = linux.Fd(fd)
-	impl.allocator = file_allocator()
-	impl.name = _get_full_path(impl.fd, file_allocator()) or_return
+	impl.allocator = allocator
+	impl.name = _get_full_path(impl.fd, impl.allocator) or_return
 	impl.file.stream = {
 		data = impl,
 		procedure = _file_stream_proc,