X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgdb_select.h;h=69021ac28eae234dcf530018f4f6f8a835b76f3c;hb=d16c467a501547e37b111f775396e28f8bf27c1e;hp=a54cdc496c36d0f649e76bb56a057e8cab6cd2ee;hpb=6aba47ca06d9150c6196a374b745c2711b46e045;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/gdb_select.h b/gdb/gdb_select.h
index a54cdc496c..69021ac28e 100644
--- a/gdb/gdb_select.h
+++ b/gdb/gdb_select.h
@@ -1,12 +1,12 @@
 /* Slightly more portable version of <sys/select.h>.
 
-   Copyright (C) 2006, 2007 Free Software Foundation, Inc.
+   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 2 of the License, or
+   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,
@@ -15,15 +15,15 @@
    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, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   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
@@ -33,4 +33,19 @@
 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) */