timed_semaphore: fix deprecated warning

Fixes #2429

repos/base/src/lib/ldso/main.cc

@@ -19,6 +19,7 @@
 #include <util/string.h>
 #include <base/thread.h>
 #include <base/heap.h>
+#include <os/timed_semaphore.h>
 
 /* base-internal includes */
 #include <base/internal/unmanaged_singleton.h>
@@ -679,6 +680,9 @@ void Component::construct(Genode::Env &env)
 
 	Link_map::dump();
 
+	/* FIXME: remove 'Timeout_thread' from the base library */
+	Timeout_thread::env(env);
+
 	binary_ready_hook_for_gdb();
 
 	/* start binary */

repos/os/include/os/timed_semaphore.h

@@ -47,7 +47,9 @@ class Genode::Timeout_thread : public Thread_deprecated<2048*sizeof(long)>,
 
 		enum { JIFFIES_STEP_MS = 10 };
 
-		Timer::Connection   _timer;    /* timer session   */
+		static Genode::Env *_env;
+
+		Timer::Connection   _timer { *_env };    /* timer session   */
 		Signal_context      _context;
 		Signal_receiver     _receiver;
 
@@ -68,6 +70,8 @@ class Genode::Timeout_thread : public Thread_deprecated<2048*sizeof(long)>,
 		 * Returns the singleton timeout-thread used for all timeouts.
 		 */
 		static Timeout_thread *alarm_timer();
+
+		static void env(Genode::Env &env) { _env = &env; }
 };
 
 

repos/os/src/lib/timed_semaphore/timed_semaphore.cc

@@ -14,6 +14,9 @@
 #include <os/timed_semaphore.h>
 
 
+Genode::Env *Genode::Timeout_thread::_env = nullptr;
+
+
 void Genode::Timeout_thread::entry()
 {
 	while (true) {