Move gdb_select.h to gdbsupport/

This moves gdb_select.h to gdbsupport/, so it can be used by other
code there.

gdb/ChangeLog
2020-04-13  Tom Tromey  <tom@tromey.com>

	* gdb_select.h: Move to ../gdbsupport/.
	* event-loop.c: Update include path.
	* top.c: Update include path.
	* ser-base.c: Update include path.
	* ui-file.c: Update include path.
	* ser-tcp.c: Update include path.
	* guile/scm-ports.c: Update include path.
	* posix-hdep.c: Update include path.
	* ser-unix.c: Update include path.
	* gdb_usleep.c: Update include path.
	* mingw-hdep.c: Update include path.
	* inflow.c: Update include path.
	* infrun.c: Update include path.
	* event-top.c: Update include path.

gdbsupport/ChangeLog
2020-04-13  Tom Tromey  <tom@tromey.com>

	* gdb_select.h: Move from ../gdb/.

14 files changed, 29 insertions, 64 deletions

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index c0ac384..d8be389 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,22 @@
 2020-04-13  Tom Tromey  <tom@tromey.com>
 
+	* gdb_select.h: Move to ../gdbsupport/.
+	* event-loop.c: Update include path.
+	* top.c: Update include path.
+	* ser-base.c: Update include path.
+	* ui-file.c: Update include path.
+	* ser-tcp.c: Update include path.
+	* guile/scm-ports.c: Update include path.
+	* posix-hdep.c: Update include path.
+	* ser-unix.c: Update include path.
+	* gdb_usleep.c: Update include path.
+	* mingw-hdep.c: Update include path.
+	* inflow.c: Update include path.
+	* infrun.c: Update include path.
+	* event-top.c: Update include path.
+
+2020-04-13  Tom Tromey  <tom@tromey.com>
+
 	* configure: Rebuild.
 	* configure.ac: Remove checks that are now in GDB_AC_COMMON.
 
diff --git a/gdb/event-loop.c b/gdb/event-loop.c
index 36df476..ae9d27e 100644
--- a/gdb/event-loop.c
+++ b/gdb/event-loop.c
@@ -32,8 +32,7 @@
 
 #include <sys/types.h>
 #include "gdbsupport/gdb_sys_time.h"
-#include "gdb_select.h"
-#include "observable.h"
+#include "gdbsupport/gdb_select.h"
 #include "top.h"
 
 /* Tell create_file_handler what events we are interested in.
diff --git a/gdb/event-top.c b/gdb/event-top.c
index 1bfc28e..965ecd5 100644
--- a/gdb/event-top.c
+++ b/gdb/event-top.c
@@ -39,7 +39,7 @@
 #include "maint.h"
 #include "gdbsupport/buffer.h"
 #include "ser-event.h"
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 #include "gdbsupport/gdb-sigmask.h"
 
 /* readline include files.  */
diff --git a/gdb/gdb_select.h b/gdb/gdb_select.h
deleted file mode 100644
index 69021ac..0000000
--- a/gdb/gdb_select.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/* Slightly more portable version of <sys/select.h>.
-
-   Copyright (C) 2006-2020 Free Software Foundation, Inc.
-
-   This file is part of GDB.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
-
-#if !defined(GDB_SELECT_H)
-#define GDB_SELECT_H
-
-#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#else
-#include "gdbsupport/gdb_sys_time.h"
-#endif
-
-#ifdef USE_WIN32API
-#include <winsock2.h>
-#endif
-
-extern int gdb_select (int n, fd_set *readfds, fd_set *writefds,
-		       fd_set *exceptfds, struct timeval *timeout);
-
-/* Convenience wrapper around gdb_select that returns -1/EINTR if
-   set_quit_flag is set, either on entry or from a signal handler or
-   from a different thread while select is blocked.  The quit flag is
-   not cleared on exit -- the caller is responsible to check it with
-   check_quit_flag or QUIT.
-
-   Note this does NOT return -1/EINTR if any signal handler other than
-   SIGINT runs, nor if the current SIGINT handler does not call
-   set_quit_flag.  */
-extern int interruptible_select (int n,
-				 fd_set *readfds,
-				 fd_set *writefds,
-				 fd_set *exceptfds,
-				 struct timeval *timeout);
-
-#endif /* !defined(GDB_SELECT_H) */
diff --git a/gdb/guile/scm-ports.c b/gdb/guile/scm-ports.c
index 3f832dc..407d1d3 100644
--- a/gdb/guile/scm-ports.c
+++ b/gdb/guile/scm-ports.c
@@ -22,7 +22,7 @@
    conventions, et.al.  */
 
 #include "defs.h"
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 #include "top.h"
 #include "target.h"
 #include "guile-internal.h"
diff --git a/gdb/inflow.c b/gdb/inflow.c
index e5e595e..1b8e819 100644
--- a/gdb/inflow.c
+++ b/gdb/inflow.c
@@ -27,7 +27,7 @@
 #include "observable.h"
 #include <signal.h>
 #include <fcntl.h>
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 
 #include "inflow.h"
 #include "gdbcmd.h"
diff --git a/gdb/infrun.c b/gdb/infrun.c
index 8ff34c3..88105e0 100644
--- a/gdb/infrun.c
+++ b/gdb/infrun.c
@@ -64,7 +64,7 @@
 #include "arch-utils.h"
 #include "gdbsupport/scope-exit.h"
 #include "gdbsupport/forward-scope-exit.h"
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 #include <unordered_map>
 
 /* Prototypes for local functions */
diff --git a/gdb/mingw-hdep.c b/gdb/mingw-hdep.c
index cc42549..016cf2d 100644
--- a/gdb/mingw-hdep.c
+++ b/gdb/mingw-hdep.c
@@ -22,7 +22,7 @@
 #include "serial.h"
 #include "event-loop.h"
 
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 
 #include <windows.h>
 
diff --git a/gdb/posix-hdep.c b/gdb/posix-hdep.c
index cca7241..e5754cd 100644
--- a/gdb/posix-hdep.c
+++ b/gdb/posix-hdep.c
@@ -20,7 +20,7 @@
 #include "defs.h"
 #include "event-loop.h"
 
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 
 /* Wrapper for select.  Nothing special needed on POSIX platforms.  */
 
diff --git a/gdb/ser-base.c b/gdb/ser-base.c
index 89d9a69..8231ec5 100644
--- a/gdb/ser-base.c
+++ b/gdb/ser-base.c
@@ -22,7 +22,7 @@
 #include "ser-base.h"
 #include "event-loop.h"
 
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 #include "gdbsupport/gdb_sys_time.h"
 #ifdef USE_WIN32API
 #include <winsock2.h>
diff --git a/gdb/ser-tcp.c b/gdb/ser-tcp.c
index c558174..1c6d5a3 100644
--- a/gdb/ser-tcp.c
+++ b/gdb/ser-tcp.c
@@ -58,7 +58,7 @@
 #endif
 
 #include <signal.h>
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 #include <algorithm>
 
 #ifndef HAVE_SOCKLEN_T
diff --git a/gdb/ser-unix.c b/gdb/ser-unix.c
index 8000e35..9a13acd 100644
--- a/gdb/ser-unix.c
+++ b/gdb/ser-unix.c
@@ -28,7 +28,7 @@
 #include <sys/socket.h>
 #include "gdbsupport/gdb_sys_time.h"
 
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 #include "gdbcmd.h"
 #include "gdbsupport/filestuff.h"
 #include <termios.h>
diff --git a/gdb/top.c b/gdb/top.c
index e243248..010aa6f 100644
--- a/gdb/top.c
+++ b/gdb/top.c
@@ -51,7 +51,7 @@
 #include "filenames.h"
 #include "frame.h"
 #include "gdbsupport/buffer.h"
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 #include "gdbsupport/scope-exit.h"
 #include "gdbarch.h"
 #include "gdbsupport/pathstuff.h"
diff --git a/gdb/ui-file.c b/gdb/ui-file.c
index f3adbd0..a7b63a4 100644
--- a/gdb/ui-file.c
+++ b/gdb/ui-file.c
@@ -22,7 +22,7 @@
 #include "defs.h"
 #include "ui-file.h"
 #include "gdb_obstack.h"
-#include "gdb_select.h"
+#include "gdbsupport/gdb_select.h"
 #include "gdbsupport/filestuff.h"
 #include "cli/cli-style.h"