summaryrefslogtreecommitdiff
path: root/boost/interprocess/sync/windows/winapi_wrapper_common.hpp
diff options
context:
space:
mode:
Diffstat (limited to 'boost/interprocess/sync/windows/winapi_wrapper_common.hpp')
-rw-r--r--boost/interprocess/sync/windows/winapi_wrapper_common.hpp93
1 files changed, 93 insertions, 0 deletions
diff --git a/boost/interprocess/sync/windows/winapi_wrapper_common.hpp b/boost/interprocess/sync/windows/winapi_wrapper_common.hpp
new file mode 100644
index 0000000000..ccf2d65cb6
--- /dev/null
+++ b/boost/interprocess/sync/windows/winapi_wrapper_common.hpp
@@ -0,0 +1,93 @@
+ //////////////////////////////////////////////////////////////////////////////
+//
+// (C) Copyright Ion Gaztanaga 2011-2012. Distributed under the Boost
+// Software License, Version 1.0. (See accompanying file
+// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+// See http://www.boost.org/libs/interprocess for documentation.
+//
+//////////////////////////////////////////////////////////////////////////////
+
+#ifndef BOOST_INTERPROCESS_DETAIL_WINAPI_WRAPPER_COMMON_HPP
+#define BOOST_INTERPROCESS_DETAIL_WINAPI_WRAPPER_COMMON_HPP
+
+#if defined(_MSC_VER)
+# pragma once
+#endif
+
+#include <boost/interprocess/detail/config_begin.hpp>
+#include <boost/interprocess/detail/workaround.hpp>
+#include <boost/interprocess/detail/win32_api.hpp>
+#include <boost/interprocess/detail/posix_time_types_wrk.hpp>
+#include <boost/interprocess/errors.hpp>
+#include <boost/interprocess/exceptions.hpp>
+#include <limits>
+
+namespace boost {
+namespace interprocess {
+namespace ipcdetail {
+
+inline void winapi_wrapper_wait_for_single_object(void *handle)
+{
+ unsigned long ret = winapi::wait_for_single_object(handle, winapi::infinite_time);
+ if(ret != winapi::wait_object_0){
+ if(ret != winapi::wait_abandoned){
+ error_info err = system_error_code();
+ throw interprocess_exception(err);
+ }
+ else{ //Special case for orphaned mutexes
+ winapi::release_mutex(handle);
+ throw interprocess_exception(owner_dead_error);
+ }
+ }
+}
+
+inline bool winapi_wrapper_try_wait_for_single_object(void *handle)
+{
+ unsigned long ret = winapi::wait_for_single_object(handle, 0);
+ if(ret == winapi::wait_object_0){
+ return true;
+ }
+ else if(ret == winapi::wait_timeout){
+ return false;
+ }
+ else{
+ error_info err = system_error_code();
+ throw interprocess_exception(err);
+ }
+}
+
+inline bool winapi_wrapper_timed_wait_for_single_object(void *handle, const boost::posix_time::ptime &abs_time)
+{
+ //Windows does not support infinity abs_time so check it
+ if(abs_time == boost::posix_time::pos_infin){
+ winapi_wrapper_wait_for_single_object(handle);
+ return true;
+ }
+ const boost::posix_time::ptime cur_time = microsec_clock::universal_time();
+ //Windows uses relative wait times so check for negative waits
+ //and implement as 0 wait to allow try-semantics as POSIX mandates.
+ unsigned long ret = winapi::wait_for_single_object
+ ( handle
+ , (abs_time <= cur_time) ? 0u
+ : (abs_time - cur_time).total_milliseconds()
+ );
+ if(ret == winapi::wait_object_0){
+ return true;
+ }
+ else if(ret == winapi::wait_timeout){
+ return false;
+ }
+ else{
+ error_info err = system_error_code();
+ throw interprocess_exception(err);
+ }
+}
+
+} //namespace ipcdetail {
+} //namespace interprocess {
+} //namespace boost {
+
+#include <boost/interprocess/detail/config_end.hpp>
+
+#endif //BOOST_INTERPROCESS_DETAIL_WINAPI_MUTEX_WRAPPER_HPP