X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=gdb%2Fgdb_select.h;h=d9f59008efa2f09da2d34c4ce1a8154df7da5b95;hb=873c08142c4c377d2d3ed0b1b1b9e262ddc06c61;hp=e00a332e7694e0ce9b90681ec11cc4ea66f7ec6a;hpb=618f726fcb851883a0094aa7fa17003889b7189f;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/gdb_select.h b/gdb/gdb_select.h
index e00a332e76..d9f59008ef 100644
--- a/gdb/gdb_select.h
+++ b/gdb/gdb_select.h
@@ -1,6 +1,6 @@
 /* Slightly more portable version of <sys/select.h>.
 
-   Copyright (C) 2006-2016 Free Software Foundation, Inc.
+   Copyright (C) 2006-2017 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -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) */