diff --git a/include/libtorrent/config.hpp b/include/libtorrent/config.hpp
index a80a0b09a..b24efb778 100644
--- a/include/libtorrent/config.hpp
+++ b/include/libtorrent/config.hpp
@@ -116,6 +116,13 @@ POSSIBILITY OF SUCH DAMAGE.
 #define TORRENT_BEOS
 #include <storage/StorageDefs.h> // B_PATH_NAME_LENGTH
 #define TORRENT_HAS_FALLOCATE 0
+#if __GNUCC__ == 2
+# if defined(TORRENT_BUILDING_SHARED)
+#  define TORRENT_EXPORT __declspec(dllexport)
+# elif defined(TORRENT_LINKING_SHARED)
+#  define TORRENT_EXPORT __declspec(dllimport)
+# endif
+#endif
 #else
 #warning unknown OS, assuming BSD
 #define TORRENT_BSD
diff --git a/include/libtorrent/thread.hpp b/include/libtorrent/thread.hpp
index 33e349622..2c417098a 100644
--- a/include/libtorrent/thread.hpp
+++ b/include/libtorrent/thread.hpp
@@ -44,15 +44,22 @@ POSSIBILITY OF SUCH DAMAGE.
 #include <boost/asio/detail/mutex.hpp>
 #include <boost/asio/detail/event.hpp>
 
+#ifdef TORRENT_BEOS
+#include <kernel/OS.h>
+#endif
+
 namespace libtorrent
 {
 	typedef boost::asio::detail::thread thread;
 	typedef boost::asio::detail::mutex mutex;
 	typedef boost::asio::detail::event condition;
+
 	inline void sleep(int milliseconds)
 	{
 #if defined TORRENT_WINDOWS || defined TORRENT_CYGWIN
 		Sleep(milliseconds);
+#elif defined TORRENT_BEOS
+		snooze_until(system_time() + boost::int64_t(milliseconds) * 1000, B_SYSTEM_TIMEBASE);
 #else
 		usleep(milliseconds * 1000);
 #endif
diff --git a/src/allocator.cpp b/src/allocator.cpp
index c452f3f04..7918a8e08 100644
--- a/src/allocator.cpp
+++ b/src/allocator.cpp
@@ -35,6 +35,8 @@ POSSIBILITY OF SUCH DAMAGE.
 
 #ifdef TORRENT_WINDOWS
 #include <Windows.h>
+#elif defined TORRENT_BEOS
+#include <kernel/OS.h>
 #else
 #include <stdlib.h>
 #include <unistd.h> // _SC_PAGESIZE
@@ -52,6 +54,8 @@ namespace libtorrent
 		SYSTEM_INFO si;
 		GetSystemInfo(&si);
 		s = si.dwPageSize;
+#elif defined TORRENT_BEOS
+		s = B_PAGE_SIZE;
 #else
 		s = sysconf(_SC_PAGESIZE);
 #endif