Remove the attach_flag global, and make it per-inferior.

	* inferior.h (attach_flag): Delete.
	(inferior_process): Declare.
	* solib.c (update_solib_list): Adjust.
	* gnu-nat.c (gnu_create_inferior, gnu_attach): Adjust.
	* inf-ptrace.c (inf_ptrace_detach): Adjust.
	(inf_ptrace_files_info): Get it from the current inferior.
	* inf-ttrace.c (inf_ttrace_attach): Adjust.
	(inf_ttrace_files_info): Get it from the current
	inferior.
	* inflow.c (terminal_inferior, terminal_ours_1, set_sigint_trap)
	(clear_sigint_trap): Get it from the current process.
	* remote.c (extended_remote_attach_1)
	(extended_remote_create_inferior_1): Adjust.
	* top.c (quit_confirm, quit_target): Get it from the current inferior.
	* procfs.c (do_detach): Adjust.
	(procfs_wait): Get it from the event inferior.
	(procfs_files_info): Get it from the current inferior.
	* nto-procfs.c (procfs_files_info): Likewise.
	(procfs_attach): Adjust.  Set the attach_flag here.
	(do_attach): Don't set it here.
	(procfs_detach): Don't clear it.
	(procfs_mourn_inferior): Don't clear it.
	* solib-osf.c (osf_solib_create_inferior_hook): Adjust.
	* target.c (attach_flag): Delete.
	(generic_mourn_inferior): Don't clear it.
	* win32-nat.c (get_win32_debug_event): Get it from the event
	process.
	(do_initial_win32_stuff): Add attaching argument.  Set attach_flag
	in the inferior accordingly.
	(win32_attach): Don't set the attach_flag here.  Pass 1 to
	do_intial_win32_stuff.
	(win32_files_info): Get it from the current inferior.
	(win32_create_inferior): Dont clear attach_flag here.  Pass 0 to
	do_intial_win32_stuff.

1 files changed, 6 insertions, 4 deletions

diff --git a/gdb/inf-ptrace.c b/gdb/inf-ptrace.c
index 797a70a..57af79a 100644
--- a/gdb/inf-ptrace.c
+++ b/gdb/inf-ptrace.c
@@ -212,6 +212,7 @@ inf_ptrace_attach (char *args, int from_tty)
   char *exec_file;
   pid_t pid;
   char *dummy;
+  struct inferior *inf;
 
   if (!args)
     error_no_arg (_("process-id to attach"));
@@ -244,14 +245,14 @@ inf_ptrace_attach (char *args, int from_tty)
   ptrace (PT_ATTACH, pid, (PTRACE_TYPE_ARG3)0, 0);
   if (errno != 0)
     perror_with_name (("ptrace"));
-  attach_flag = 1;
 #else
   error (_("This system does not support attaching to a process"));
 #endif
 
   inferior_ptid = pid_to_ptid (pid);
 
-  add_inferior (pid);
+  inf = add_inferior (pid);
+  inf->attach_flag = 1;
 
   /* Always add a main thread.  If some target extends the ptrace
      target, it should decorate the ptid later with more info.  */
@@ -307,7 +308,6 @@ inf_ptrace_detach (char *args, int from_tty)
   ptrace (PT_DETACH, pid, (PTRACE_TYPE_ARG3)1, sig);
   if (errno != 0)
     perror_with_name (("ptrace"));
-  attach_flag = 0;
 #else
   error (_("This system does not support detaching from a process"));
 #endif
@@ -611,8 +611,10 @@ inf_ptrace_thread_alive (ptid_t ptid)
 static void
 inf_ptrace_files_info (struct target_ops *ignore)
 {
+  struct inferior *inf = current_inferior ();
+
   printf_filtered (_("\tUsing the running image of %s %s.\n"),
-		   attach_flag ? "attached" : "child",
+		   inf->attach_flag ? "attached" : "child",
 		   target_pid_to_str (inferior_ptid));
 }