* inftarg.c (child_thread_alive): New function to see if a

particular thread is still running.
        (child_ops): Add child_thread_alive entry.
        * remote.c (remote_thread_alive): New function to see if a
        particular thread is still alive.
        (remote_ops): Add remote_thread_alive.
        * target.c (dummy_target): Add dummy entry for thread_alive.
        (cleanup_target): de_fault thread_alive too.
        (update_current_target): INHERIT thread_alive too.
        (debug_to_thread_alive): New function.
        (setup_target_debug): Add debug_to_thread_alive.
        * target.h (struct target_ops): Add to_thread_alive.
        (target_thread_alive): Define.
        * thread.c (info_threads_command): Don't call kill; use
        target_thread_alive instead.
        * config/nm-lynx.h (CHILD_THREAD_ALIVE): Define.
        * gdbserver/low-lynx.c (mythread_alive): New function.
        (mywait): Don't restart any threads after a new thread notification,
        let the generic code handle it.
        * gdbserver/low-sparc.c (mythread_alive): Dummy version.
        * gdbserver/low-sun3.c (mythread_alive): Likewise.
        * gdbserver/server.c (main): Handle thread_alive requests.
        * gdbserver/server.h (mythread_alive): Declare.
        * corelow.c (core_ops): Add dummy entry for thread_alive.
        * exec.c (exec_ops): Likewise.
        * m3-nat.c (m3_ops): Likewise.
        * monitor.c (monitor_ops): Likewise.
        * procfs.c (procfs_ops): Likewise.
        * remote-arc.c (arc_ops): Likewise.
        * remote-array.c (array_ops): Likewise.
        * remote-e7000.c (e7000_ops): Likewise.
        * remote-es.c (es1800_ops, es1800_child_ops): Likewise.
        * remote-mips.c (mips_ops): Likewise.
        * remote-pa.c (remote_hppro_ops): Likewise.
        * remote-sim.c (gdbsim_ops): Likewise.
        * sparcl-tdep.c (sparclite_ops): Likewise.

More lynx-6100 work

gdb/remote.c

@@ -191,10 +191,10 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
 /* Prototypes for local functions */
 
 static int remote_write_bytes PARAMS ((CORE_ADDR memaddr,
-				       unsigned char *myaddr, int len));
+				       char *myaddr, int len));
 
 static int remote_read_bytes PARAMS ((CORE_ADDR memaddr,
-				      unsigned char *myaddr, int len));
+				      char *myaddr, int len));
 
 static void remote_files_info PARAMS ((struct target_ops *ignore));
 
@@ -313,6 +313,24 @@ set_thread (th, gen)
     cont_thread = th;
 }
 
+/*   Return nonzero if the thread TH is still alive on the remote system.  */
+
+static int
+remote_thread_alive (th)
+     int th;
+{
+  char buf[PBUFSIZ];
+
+  buf[0] = 'T';
+  if (th < 0)
+    sprintf (&buf[1], "-%x", -th);
+  else
+    sprintf (&buf[1], "%x", th);
+  putpkt (buf);
+  getpkt (buf, 0);
+  return (buf[0] == 'O' && buf[1] == 'K');
+}
+
 /* Clean up connection to a remote debugger.  */
 
 /* ARGSUSED */
@@ -940,7 +958,7 @@ remote_store_word (addr, word)
 static int
 remote_write_bytes (memaddr, myaddr, len)
      CORE_ADDR memaddr;
-     unsigned char *myaddr;
+     char *myaddr;
      int len;
 {
   char buf[PBUFSIZ];
@@ -988,7 +1006,7 @@ remote_write_bytes (memaddr, myaddr, len)
 static int
 remote_read_bytes (memaddr, myaddr, len)
      CORE_ADDR memaddr;
-     unsigned char *myaddr;
+     char *myaddr;
      int len;
 {
   char buf[PBUFSIZ];
@@ -1570,6 +1588,7 @@ Specify the serial device it is connected to (e.g. /dev/ttya).",  /* to_doc */
   remote_mourn,			/* to_mourn_inferior */
   0,				/* to_can_run */
   0,				/* to_notice_signals */
+  remote_thread_alive,		/* to_thread_alive */
   0,				/* to_stop */
   process_stratum,		/* to_stratum */
   NULL,				/* to_next */