1 files changed, 96 insertions, 0 deletions
diff --git a/erts/emulator/sys/common/erl_check_io.h b/erts/emulator/sys/common/erl_check_io.h
new file mode 100644
index 0000000000..9b45a63913
--- /dev/null
+++ b/erts/emulator/sys/common/erl_check_io.h
@@ -0,0 +1,96 @@
+/*
+ * %CopyrightBegin%
+ * 
+ * Copyright Ericsson AB 2006-2009. All Rights Reserved.
+ * 
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ * 
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ * 
+ * %CopyrightEnd%
+ */
+
+/*
+ * Description:	Check I/O
+ *
+ * Author: 	Rickard Green
+ */
+
+#ifndef ERL_CHECK_IO_H__
+#define ERL_CHECK_IO_H__
+
+#include "erl_sys_driver.h"
+
+#ifdef ERTS_ENABLE_KERNEL_POLL
+
+int driver_select_kp(ErlDrvPort, ErlDrvEvent, int, int);
+int driver_select_nkp(ErlDrvPort, ErlDrvEvent, int, int);
+int driver_event_kp(ErlDrvPort, ErlDrvEvent, ErlDrvEventData);
+int driver_event_nkp(ErlDrvPort, ErlDrvEvent, ErlDrvEventData);
+Uint erts_check_io_size_kp(void);
+Uint erts_check_io_size_nkp(void);
+Eterm erts_check_io_info_kp(void *);
+Eterm erts_check_io_info_nkp(void *);
+int erts_check_io_max_files_kp(void);
+int erts_check_io_max_files_nkp(void);
+void erts_check_io_interrupt_kp(int);
+void erts_check_io_interrupt_nkp(int);
+void erts_check_io_interrupt_timed_kp(int, long);
+void erts_check_io_interrupt_timed_nkp(int, long);
+void erts_check_io_kp(int);
+void erts_check_io_nkp(int);
+void erts_init_check_io_kp(void);
+void erts_init_check_io_nkp(void);
+int erts_check_io_debug_kp(void);
+int erts_check_io_debug_nkp(void);
+
+#else /* !ERTS_ENABLE_KERNEL_POLL */
+
+Uint erts_check_io_size(void);
+Eterm erts_check_io_info(void *);
+int erts_check_io_max_files(void);
+void erts_check_io_interrupt(int);
+void erts_check_io_interrupt_timed(int, long);
+void erts_check_io(int);
+void erts_init_check_io(void);
+
+#endif
+
+#endif /*  ERL_CHECK_IO_H__ */
+
+#if !defined(ERL_CHECK_IO_C__) && !defined(ERTS_ALLOC_C__)
+#define ERL_CHECK_IO_INTERNAL__
+#endif
+
+#ifndef ERL_CHECK_IO_INTERNAL__
+#define ERL_CHECK_IO_INTERNAL__
+#include "erl_poll.h"
+#include "erl_port_task.h"
+
+/*
+ * ErtsDrvEventDataState is used by driver_event() which is almost never
+ * used. We allocate ErtsDrvEventDataState separate since we dont wan't
+ * the size of ErtsDrvEventState to increase due to driver_event()
+ * information.
+ */
+typedef struct {
+    Eterm port;
+    ErlDrvEventData data;
+    ErtsPollEvents removed_events;
+    ErtsPortTaskHandle task;
+} ErtsDrvEventDataState;
+
+typedef struct {
+    Eterm inport;
+    Eterm outport;
+    ErtsPortTaskHandle intask;
+    ErtsPortTaskHandle outtask;
+} ErtsDrvSelectDataState;
+#endif /* #ifndef ERL_CHECK_IO_INTERNAL__ */