gdbserver/linux-low: use std::list to store pending signals

[deliverable/binutils-gdb.git] / gdbserver / linux-low.h

diff --git a/gdbserver/linux-low.h b/gdbserver/linux-low.h
index 5fed2ee2ca205ef7e3d3e0cc4c608be7c855043e..0ef659fb0f06bd31c1990509c52029349e0fdca4 100644 (file)
--- a/gdbserver/linux-low.h
+++ b/gdbserver/linux-low.h
@@ -31,6 +31,8 @@
 #include "target/waitstatus.h" /* For enum target_stop_reason.  */
 #include "tracepoint.h"
 
+#include <list>
+
 #define PTRACE_XFER_TYPE long
 
 #ifdef HAVE_LINUX_REGSETS
@@ -695,6 +697,18 @@ extern linux_process_target *the_linux_target;
 #define get_thread_lwp(thr) ((struct lwp_info *) (thread_target_data (thr)))
 #define get_lwp_thread(lwp) ((lwp)->thread)
 
+/* Information about a signal that is to be delivered to a thread.  */
+
+struct pending_signal
+{
+  pending_signal (int signal)
+    : signal {signal}
+  {};
+
+  int signal;
+  siginfo_t info;
+};
+
 /* This struct is recorded in the target_data field of struct thread_info.
 
    On linux ``all_threads'' is keyed by the LWP ID, which we use as the
@@ -786,9 +800,8 @@ struct lwp_info
      next time we see this LWP stop.  */
   int must_set_ptrace_flags;
 
-  /* If this is non-zero, it points to a chain of signals which need to
-     be delivered to this process.  */
-  struct pending_signals *pending_signals;
+  /* A chain of signals that need to be delivered to this process.  */
+  std::list<pending_signal> pending_signals;
 
   /* A link used when resuming.  It is initialized from the resume request,
      and then processed and cleared in linux_resume_one_lwp.  */
@@ -800,10 +813,10 @@ struct lwp_info
      if a signal arrives to this lwp while it is collecting.  */
   fast_tpoint_collect_result collecting_fast_tracepoint;
 
-  /* If this is non-zero, it points to a chain of signals which need
-     to be reported to GDB.  These were deferred because the thread
-     was doing a fast tracepoint collect when they arrived.  */
-  struct pending_signals *pending_signals_to_report;
+  /* A chain of signals that need to be reported to GDB.  These were
+     deferred because the thread was doing a fast tracepoint collect
+     when they arrived.  */
+  std::list<pending_signal> pending_signals_to_report;
 
   /* When collecting_fast_tracepoint is first found to be 1, we insert
      a exit-jump-pad-quickly breakpoint.  This is it.  */