VeraCrypt
aboutsummaryrefslogtreecommitdiff
path: root/src/Platform/Unix/Poller.cpp
diff options
context:
space:
mode:
authorMounir IDRASSI <mounir.idrassi@idrix.fr>2014-05-31 16:44:53 (GMT)
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2014-11-08 22:18:59 (GMT)
commit7ffce028d04a6b13ef762e2b89c34b688e8ca59d (patch)
treeeefedb6e94de5b26fa963675969490c641c29077 /src/Platform/Unix/Poller.cpp
parent97011f179cfd3dcd12446ef4ccb6964c8e52c3db (diff)
downloadVeraCrypt-7ffce028d04a6b13ef762e2b89c34b688e8ca59d.zip
VeraCrypt-7ffce028d04a6b13ef762e2b89c34b688e8ca59d.tar.gz
Add TrueCrypt 7.1a MacOSX/Linux specific source files.
Diffstat (limited to 'src/Platform/Unix/Poller.cpp')
-rw-r--r--src/Platform/Unix/Poller.cpp57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/Platform/Unix/Poller.cpp b/src/Platform/Unix/Poller.cpp
new file mode 100644
index 0000000..3950eab
--- /dev/null
+++ b/src/Platform/Unix/Poller.cpp
@@ -0,0 +1,57 @@
+/*
+ Copyright (c) 2008 TrueCrypt Developers Association. All rights reserved.
+
+ Governed by the TrueCrypt License 3.0 the full text of which is contained in
+ the file License.txt included in TrueCrypt binary and source code distribution
+ packages.
+*/
+
+#include <poll.h>
+#include <unistd.h>
+#include "Poller.h"
+#include "Platform/SystemException.h"
+
+namespace TrueCrypt
+{
+ Poller::Poller (int fileDescriptor1, int fileDescriptor2, int fileDescriptor3, int fileDescriptor4)
+ {
+ FileDescriptors.push_back (fileDescriptor1);
+
+ if (fileDescriptor2 != -1)
+ FileDescriptors.push_back (fileDescriptor2);
+
+ if (fileDescriptor3 != -1)
+ FileDescriptors.push_back (fileDescriptor3);
+
+ if (fileDescriptor4 != -1)
+ FileDescriptors.push_back (fileDescriptor4);
+ }
+
+ list <int> Poller::WaitForData (int timeOut) const
+ {
+ vector <pollfd> pfd (FileDescriptors.size());
+ for (size_t i = 0; i < FileDescriptors.size(); i++)
+ {
+ pfd[i].fd = FileDescriptors[i];
+ pfd[i].events = POLLIN;
+ }
+
+ list <int> descList;
+
+ int pollRes = poll (&pfd[0], pfd.size(), timeOut);
+
+ if (pollRes == 0 && timeOut != -1)
+ throw TimeOut (SRC_POS);
+
+ if (pollRes > 0)
+ {
+ for (size_t i = 0; i < pfd.size(); i++)
+ {
+ if (pfd[i].revents & POLLIN)
+ descList.push_back (pfd[i].fd);
+ }
+ }
+
+ return descList;
+ }
+}