http://sourceware.org/ml/gdb-cvs/2012-02/msg00181.html

### src/gdb/ChangeLog	2012/02/24 23:48:37	1.13869
### src/gdb/ChangeLog	2012/02/27 16:22:06	1.13870
## -1,3 +1,13 @@
+2012-02-27  Pedro Alves  <palves@redhat.com>
+
+	* linux-nat.c (pid_is_stopped): Delete, moved to common/.
+	(linux_nat_post_attach_wait): Adjust to use
+	linux_proc_pid_is_stopped.
+	* common/linux-procfs.h (linux_proc_pid_is_stopped): Declare.
+	* common/linux-procfs.c (linux_proc_pid_is_stopped): New function,
+	based on pid_is_stopped from both linux-nat.c and
+	gdbserver/linux-low.c, and renamed.
+
 2012-02-24  Maciej W. Rozycki  <macro@codesourcery.com>
 
 	* remote.c (remote_watchpoint_addr_within_range): New function.
--- src/gdb/linux-nat.c	2012/02/16 21:07:20	1.239
+++ src/gdb/linux-nat.c	2012/02/27 16:22:13	1.240
@@ -1356,37 +1356,6 @@
   delete_lwp (lp->ptid);
 }
 
-/* Detect `T (stopped)' in `/proc/PID/status'.
-   Other states including `T (tracing stop)' are reported as false.  */
-
-static int
-pid_is_stopped (pid_t pid)
-{
-  FILE *status_file;
-  char buf[100];
-  int retval = 0;
-
-  snprintf (buf, sizeof (buf), "/proc/%d/status", (int) pid);
-  status_file = fopen (buf, "r");
-  if (status_file != NULL)
-    {
-      int have_state = 0;
-
-      while (fgets (buf, sizeof (buf), status_file))
-	{
-	  if (strncmp (buf, "State:", 6) == 0)
-	    {
-	      have_state = 1;
-	      break;
-	    }
-	}
-      if (have_state && strstr (buf, "T (stopped)") != NULL)
-	retval = 1;
-      fclose (status_file);
-    }
-  return retval;
-}
-
 /* Wait for the LWP specified by LP, which we have just attached to.
    Returns a wait status for that LWP, to cache.  */
 
@@ -1397,7 +1366,7 @@
   pid_t new_pid, pid = GET_LWP (ptid);
   int status;
 
-  if (pid_is_stopped (pid))
+  if (linux_proc_pid_is_stopped (pid))
     {
       if (debug_linux_nat)
 	fprintf_unfiltered (gdb_stdlog,
--- src/gdb/common/linux-procfs.c	2012/01/04 08:17:18	1.2
+++ src/gdb/common/linux-procfs.c	2012/02/27 16:22:14	1.3
@@ -53,3 +53,34 @@
 
   return tgid;
 }
+
+/* Detect `T (stopped)' in `/proc/PID/status'.
+   Other states including `T (tracing stop)' are reported as false.  */
+
+int
+linux_proc_pid_is_stopped (pid_t pid)
+{
+  FILE *status_file;
+  char buf[100];
+  int retval = 0;
+
+  snprintf (buf, sizeof (buf), "/proc/%d/status", (int) pid);
+  status_file = fopen (buf, "r");
+  if (status_file != NULL)
+    {
+      int have_state = 0;
+
+      while (fgets (buf, sizeof (buf), status_file))
+	{
+	  if (strncmp (buf, "State:", 6) == 0)
+	    {
+	      have_state = 1;
+	      break;
+	    }
+	}
+      if (have_state && strstr (buf, "T (stopped)") != NULL)
+	retval = 1;
+      fclose (status_file);
+    }
+  return retval;
+}
--- src/gdb/common/linux-procfs.h	2012/01/04 08:17:18	1.2
+++ src/gdb/common/linux-procfs.h	2012/02/27 16:22:15	1.3
@@ -26,4 +26,9 @@
 
 extern int linux_proc_get_tgid (int lwpid);
 
+/* Detect `T (stopped)' in `/proc/PID/status'.
+   Other states including `T (tracing stop)' are reported as false.  */
+
+extern int linux_proc_pid_is_stopped (pid_t pid);
+
 #endif /* COMMON_LINUX_PROCFS_H */
### src/gdb/gdbserver/ChangeLog	2012/02/27 16:19:19	1.557
### src/gdb/gdbserver/ChangeLog	2012/02/27 16:22:15	1.558
## -1,5 +1,10 @@
 2012-02-27  Pedro Alves  <palves@redhat.com>
 
+	* linux-low.c (pid_is_stopped): Delete, moved to common/.
+	(linux_attach_lwp_1): Adjust to use linux_proc_pid_is_stopped.
+
+2012-02-27  Pedro Alves  <palves@redhat.com>
+
 	PR server/9684
 	* linux-low.c (pid_is_stopped): New.
 	(linux_attach_lwp_1): Handle attaching to 'T (stopped)' processes.
--- src/gdb/gdbserver/linux-low.c	2012/02/27 16:19:19	1.194
+++ src/gdb/gdbserver/linux-low.c	2012/02/27 16:22:16	1.195
@@ -598,37 +598,6 @@
   return pid;
 }
 
-/* Detect `T (stopped)' in `/proc/PID/status'.
-   Other states including `T (tracing stop)' are reported as false.  */
-
-static int
-pid_is_stopped (pid_t pid)
-{
-  FILE *status_file;
-  char buf[100];
-  int retval = 0;
-
-  snprintf (buf, sizeof (buf), "/proc/%d/status", (int) pid);
-  status_file = fopen (buf, "r");
-  if (status_file != NULL)
-    {
-      int have_state = 0;
-
-      while (fgets (buf, sizeof (buf), status_file))
-	{
-	  if (strncmp (buf, "State:", 6) == 0)
-	    {
-	      have_state = 1;
-	      break;
-	    }
-	}
-      if (have_state && strstr (buf, "T (stopped)") != NULL)
-	retval = 1;
-      fclose (status_file);
-    }
-  return retval;
-}
-
 /* Attach to an inferior process.  */
 
 static void
@@ -674,7 +643,7 @@
      ptrace call on this LWP.  */
   new_lwp->must_set_ptrace_flags = 1;
 
-  if (pid_is_stopped (lwpid))
+  if (linux_proc_pid_is_stopped (lwpid))
     {
       if (debug_threads)
 	fprintf (stderr,