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authorschodet2005-03-13 20:17:42 +0000
committerschodet2005-03-13 20:17:42 +0000
commit71e0e044d9408b9668293d610b96f154c78822bf (patch)
tree6dbbba911b1a67d86a4a6706c1ebb00703a14623 /2005
parent681ed261c49d38f35f70e6c49dc19b1c5c1fc48d (diff)
Ajout de FdSet::wait.
Diffstat (limited to '2005')
-rw-r--r--2005/i/robert/src/utils/fd_set.cc53
-rw-r--r--2005/i/robert/src/utils/fd_set.hh3
2 files changed, 56 insertions, 0 deletions
diff --git a/2005/i/robert/src/utils/fd_set.cc b/2005/i/robert/src/utils/fd_set.cc
new file mode 100644
index 0000000..998f3f5
--- /dev/null
+++ b/2005/i/robert/src/utils/fd_set.cc
@@ -0,0 +1,53 @@
+// fd_set.cc
+// robert - programme du robot 2005. {{{
+//
+// Copyright (C) 2005 Nicolas Schodet
+//
+// Robot APB Team/Efrei 2005.
+// Web: http://assos.efrei.fr/robot/
+// Email: robot AT efrei DOT fr
+//
+// 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
+// (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, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+//
+// }}}
+#include "fd_set.hh"
+#include "utils/errno_exception.hh"
+
+/// Wait for an read event or timeout in milliseconds, return true on read
+/// event.
+bool
+FdSet::wait (int timeout/*-1*/)
+{
+ int r;
+ if (timeout == -1)
+ {
+ // Without timeout.
+ r = select (FD_SETSIZE, get (), 0, 0, 0);
+ }
+ else
+ {
+ // With timeout.
+ struct timeval tv;
+ tv.tv_sec = timeout / 1000;
+ tv.tv_usec = (timeout % 1000) * 1000;
+ r = select (FD_SETSIZE, get (), 0, 0, &tv);
+ }
+ if (r == -1)
+ // Error.
+ throw errno_exception (errno);
+ else
+ return r != 0;
+}
+
diff --git a/2005/i/robert/src/utils/fd_set.hh b/2005/i/robert/src/utils/fd_set.hh
index 7cc53e5..3d6d44c 100644
--- a/2005/i/robert/src/utils/fd_set.hh
+++ b/2005/i/robert/src/utils/fd_set.hh
@@ -46,6 +46,9 @@ class FdSet
/// Get pointer to internal fd_set.
fd_set *get (void)
{ return &set_; }
+ /// Wait for an read event or timeout in milliseconds, return true on read
+ /// event.
+ bool wait (int timeout = -1);
};
#endif // fd_set_hh