1 files changed, 94 insertions, 0 deletions
diff --git a/src/lib/arch/unix/ArchSleepUnix.cpp b/src/lib/arch/unix/ArchSleepUnix.cpp
new file mode 100644
index 0000000..48e2600
--- /dev/null
+++ b/src/lib/arch/unix/ArchSleepUnix.cpp
@@ -0,0 +1,94 @@
+/*
+ * barrier -- mouse and keyboard sharing utility
+ * Copyright (C) 2012-2016 Symless Ltd.
+ * Copyright (C) 2002 Chris Schoeneman
+ * 
+ * This package is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * found in the file LICENSE that should have accompanied this file.
+ * 
+ * This package 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/>.
+ */
+
+#include "arch/unix/ArchSleepUnix.h"
+
+#include "arch/Arch.h"
+
+#if TIME_WITH_SYS_TIME
+#    include <sys/time.h>
+#    include <time.h>
+#else
+#    if HAVE_SYS_TIME_H
+#        include <sys/time.h>
+#    else
+#        include <time.h>
+#    endif
+#endif
+#if !HAVE_NANOSLEEP
+#    if HAVE_SYS_SELECT_H
+#        include <sys/select.h>
+#    endif
+#    if HAVE_SYS_TYPES_H
+#        include <sys/types.h>
+#    endif
+#    if HAVE_UNISTD_H
+#        include <unistd.h>
+#    endif
+#endif
+
+//
+// ArchSleepUnix
+//
+
+ArchSleepUnix::ArchSleepUnix()
+{
+    // do nothing
+}
+
+ArchSleepUnix::~ArchSleepUnix()
+{
+    // do nothing
+}
+
+void
+ArchSleepUnix::sleep(double timeout)
+{
+    ARCH->testCancelThread();
+    if (timeout < 0.0) {
+        return;
+    }
+
+#if HAVE_NANOSLEEP
+    // prep timeout
+    struct timespec t;
+    t.tv_sec  = (long)timeout;
+    t.tv_nsec = (long)(1.0e+9 * (timeout - (double)t.tv_sec));
+
+    // wait
+    while (nanosleep(&t, &t) < 0)
+        ARCH->testCancelThread();
+#else
+    /* emulate nanosleep() with select() */
+    double startTime = ARCH->time();
+    double timeLeft  = timeout;
+    while (timeLeft > 0.0) {
+        struct timeval timeout2;
+        timeout2.tv_sec  = static_cast<int>(timeLeft);
+        timeout2.tv_usec = static_cast<int>(1.0e+6 * (timeLeft -
+                                                        timeout2.tv_sec));
+        select((SELECT_TYPE_ARG1)  0,
+                SELECT_TYPE_ARG234 NULL,
+                SELECT_TYPE_ARG234 NULL,
+                SELECT_TYPE_ARG234 NULL,
+                SELECT_TYPE_ARG5   &timeout2);
+        ARCH->testCancelThread();
+        timeLeft = timeout - (ARCH->time() - startTime);
+    }
+#endif
+}