Merged the signals branch into trunk, with these changes:

* The team and thread kernel structures have been renamed to Team and Thread
  respectively and moved into the new BKernel namespace.
* Several (kernel add-on) sources have been converted from C to C++ since
  private kernel headers are included that are no longer C compatible.

Changes after merging:
* Fixed gcc 2 build (warnings mainly in the scary firewire bus manager).


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@40196 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/arch/debug.h

@@ -16,7 +16,12 @@
 
 
 struct kernel_args;
-struct thread;
+
+namespace BKernel {
+	struct Thread;
+}
+
+using BKernel::Thread;
 
 
 // arch_debug_get_stack_trace() flags
@@ -34,7 +39,7 @@ void *arch_debug_get_caller(void);
 int32 arch_debug_get_stack_trace(addr_t* returnAddresses, int32 maxCount,
 		int32 skipIframes, int32 skipFrames, uint32 flags);
 void* arch_debug_get_interrupt_pc(bool* _isSyscall);
-bool arch_debug_contains_call(struct thread *thread, const char *symbol,
+bool arch_debug_contains_call(Thread *thread, const char *symbol,
 		addr_t start, addr_t end);
 void arch_debug_save_registers(struct arch_debug_registers* registers);
 void arch_debug_unset_current_thread(void);