Introduce a gdb_ref_ptr specialization for struct value

[deliverable/binutils-gdb.git] / gdb / linux-nat.h

diff --git a/gdb/linux-nat.h b/gdb/linux-nat.h
index cae263a6d6f3a382ebf44cb303b1c2df1b891af5..9df3548c6b2188d96132fd0f98d090cd93983bcf 100644 (file)
--- a/gdb/linux-nat.h
+++ b/gdb/linux-nat.h
@@ -1,6 +1,6 @@
 /* Native debugging support for GNU/Linux (LWP layer).
 
-   Copyright (C) 2000-2015 Free Software Foundation, Inc.
+   Copyright (C) 2000-2018 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -37,11 +37,6 @@ struct lwp_info
      next time we see this LWP stop.  */
   int must_set_ptrace_flags;
 
-  /* Non-zero if this LWP is cloned.  In this context "cloned" means
-     that the LWP is reporting to its parent using a signal other than
-     SIGCHLD.  */
-  int cloned;
-
   /* Non-zero if we sent this LWP a SIGSTOP (but the LWP didn't report
      it back yet).  */
   int signalled;
@@ -93,12 +88,12 @@ struct lwp_info
      or to a local variable in lin_lwp_wait.  */
   struct target_waitstatus waitstatus;
 
-  /* Signal wether we are in a SYSCALL_ENTRY or
+  /* Signal whether we are in a SYSCALL_ENTRY or
      in a SYSCALL_RETURN event.
      Values:
      - TARGET_WAITKIND_SYSCALL_ENTRY
      - TARGET_WAITKIND_SYSCALL_RETURN */
-  int syscall_state;
+  enum target_waitkind syscall_state;
 
   /* The processor core this LWP was last seen on.  */
   int core;
@@ -106,7 +101,9 @@ struct lwp_info
   /* Arch-specific additions.  */
   struct arch_lwp_info *arch_private;
 
-  /* Next LWP in list.  */
+  /* Previous and next pointers in doubly-linked list of known LWPs,
+     sorted by reverse creation order.  */
+  struct lwp_info *prev;
   struct lwp_info *next;
 };
 
@@ -116,7 +113,6 @@ struct lwp_info
 extern struct lwp_info *lwp_list;
 
 /* Does the current host support PTRACE_GETREGSET?  */
-enum tribool { TRIBOOL_UNKNOWN = -1, TRIBOOL_FALSE = 0, TRIBOOL_TRUE = 1 };
 extern enum tribool have_ptrace_getregset;
 
 /* Iterate over each active thread (light-weight process).  */
@@ -142,8 +138,6 @@ extern void lin_thread_get_thread_signals (sigset_t *mask);
 void linux_proc_pending_signals (int pid, sigset_t *pending,
                                 sigset_t *blocked, sigset_t *ignored);
 
-extern int lin_lwp_attach_lwp (ptid_t ptid);
-
 /* For linux_stop_lwp see nat/linux-nat.h.  */
 
 /* Stop all LWPs, synchronously.  (Any events that trigger while LWPs
@@ -171,6 +165,9 @@ void linux_nat_add_target (struct target_ops *);
 /* Register a method to call whenever a new thread is attached.  */
 void linux_nat_set_new_thread (struct target_ops *, void (*) (struct lwp_info *));
 
+/* Register a method to call whenever a new thread is deleted.  */
+void linux_nat_set_delete_thread (struct target_ops *,
+                                 void (*) (struct arch_lwp_info *));
 
 /* Register a method to call whenever a new fork is attached.  */
 typedef void (linux_nat_new_fork_ftype) (struct lwp_info *parent,