[patch] Fix PR python/10806

[Phil Muldoon <pmuldoon@redhat.com>]

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This patch addresses PR python/10806. It is mechanical replacement of 
the PyGILState_Ensure/Release with the more recently introduced 
ensure_python_env.

OK?

Cheers,

Phil

2009-10-21  Phil Muldoon <pmuldoon@redhat.com>

     PR python/10806

     * python/python.c (run_python_script): Use ensure_python_env over
     PyGILState_Ensure.
     (gdbpy_run_events): Likewise.
     (run_python_script): Likewise.
     (source_python_script): Likewise.
     * python/py-breakpoint.c (gdbpy_breakpoint_created): Likewise.
     (gdbpy_breakpoint_deleted): Likewise.
     * python/py-inferior.c (delete_inferior_object): Likewise.
     (add_thread_objet): Likewise.
     (delete_thread_object): Likewise.

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diff --git a/gdb/python/py-breakpoint.c b/gdb/python/py-breakpoint.c
index afa9526..783385e 100644
--- a/gdb/python/py-breakpoint.c
+++ b/gdb/python/py-breakpoint.c
@@ -26,7 +26,8 @@
 #include "gdbcmd.h"
 #include "gdbthread.h"
 #include "observer.h"
-
+#include "arch-utils.h"
+#include "language.h"
 
 /* From breakpoint.c.  */
 extern struct breakpoint *breakpoint_chain;
@@ -494,7 +495,7 @@ gdbpy_breakpoint_created (int num)
 {
   breakpoint_object *newbp;
   struct breakpoint *bp;
-  PyGILState_STATE state;
+  struct cleanup *cleanup;
 
   if (num < 0)
     return;
@@ -519,7 +520,7 @@ gdbpy_breakpoint_created (int num)
 
   ++bppy_live;
 
-  state = PyGILState_Ensure ();
+  cleanup = ensure_python_env (get_current_arch (), current_language);
 
   if (bppy_pending_object)
     {
@@ -552,7 +553,7 @@ gdbpy_breakpoint_created (int num)
   /* Just ignore errors here.  */
   PyErr_Clear ();
 
-  PyGILState_Release (state);
+  do_cleanups (cleanup);
 }
 
 /* Callback that is used when a breakpoint is deleted.  This will
@@ -560,9 +561,9 @@ gdbpy_breakpoint_created (int num)
 static void
 gdbpy_breakpoint_deleted (int num)
 {
-  PyGILState_STATE state;
+  struct cleanup *cleanup;
 
-  state = PyGILState_Ensure ();
+  cleanup = ensure_python_env (get_current_arch (), current_language);
   if (BPPY_VALID_P (num))
     {
       bppy_breakpoints[num]->bp = NULL;
@@ -570,7 +571,7 @@ gdbpy_breakpoint_deleted (int num)
       bppy_breakpoints[num] = NULL;
       --bppy_live;
     }
-  PyGILState_Release (state);
+  do_cleanups (cleanup);
 }
 
 \f
diff --git a/gdb/python/py-inferior.c b/gdb/python/py-inferior.c
index 5e90cc2..6d970a1 100644
--- a/gdb/python/py-inferior.c
+++ b/gdb/python/py-inferior.c
@@ -136,7 +136,7 @@ add_inferior_object (int pid)
 static void
 delete_inferior_object (int pid)
 {
-  PyGILState_STATE state;
+  struct cleanup *cleanup;
   struct inflist_entry **inf_entry, *inf_tmp;
   struct threadlist_entry *th_entry, *th_tmp;
 
@@ -149,7 +149,7 @@ delete_inferior_object (int pid)
   if (!*inf_entry)
     return;
 
-  state = PyGILState_Ensure ();
+  cleanup = ensure_python_env (get_current_arch (), current_language);
 
   inf_tmp = *inf_entry;
   inf_tmp->inf_obj->inferior = NULL;
@@ -172,7 +172,7 @@ delete_inferior_object (int pid)
 
   ninferiors--;
 
-  PyGILState_Release (state);
+  do_cleanups (cleanup);
 }
 
 /* Finds the Python Inferior object for the given pid.  Returns a borrowed
@@ -215,19 +215,19 @@ find_thread_object (ptid_t ptid)
 static void
 add_thread_object (struct thread_info *tp)
 {
-  PyGILState_STATE state;
+  struct cleanup *cleanup;
   thread_object *thread_obj;
   inferior_object *inf_obj;
   struct threadlist_entry *entry;
 
-  state = PyGILState_Ensure ();
+  cleanup = ensure_python_env (get_current_arch (), current_language);
 
   thread_obj = create_thread_object (tp);
   if (!thread_obj)
     {
       warning (_("Can't create Python InferiorThread object."));
       gdbpy_print_stack ();
-      PyGILState_Release (state);
+      do_cleanups (cleanup);
       return;
     }
 
@@ -240,13 +240,13 @@ add_thread_object (struct thread_info *tp)
   inf_obj->threads = entry;
   inf_obj->nthreads++;
 
-  PyGILState_Release (state);
+  do_cleanups (cleanup);
 }
 
 static void
 delete_thread_object (struct thread_info *tp, int ignore)
 {
-  PyGILState_STATE state;
+  struct cleanup *cleanup;
   inferior_object *inf_obj;
   thread_object *thread_obj;
   struct threadlist_entry **entry, *tmp;
@@ -263,7 +263,7 @@ delete_thread_object (struct thread_info *tp, int ignore)
   if (!*entry)
     return;
 
-  state = PyGILState_Ensure ();
+  cleanup = ensure_python_env (get_current_arch (), current_language);
 
   tmp = *entry;
   tmp->thread_obj->thread = NULL;
@@ -275,7 +275,7 @@ delete_thread_object (struct thread_info *tp, int ignore)
   xfree (tmp);
 
 
-  PyGILState_Release (state);
+  do_cleanups (cleanup);
 }
 
 static PyObject *
diff --git a/gdb/python/python.c b/gdb/python/python.c
index 5a2a9ae..707b700 100644
--- a/gdb/python/python.c
+++ b/gdb/python/python.c
@@ -474,11 +474,11 @@ static int gdbpy_event_fds[2];
 static void
 gdbpy_run_events (int err, gdb_client_data ignore)
 {
-  PyGILState_STATE state;
+  struct cleanup *cleanup;
   char buffer[100];
   int r;
 
-  state = PyGILState_Ensure ();
+  cleanup = ensure_python_env (get_current_arch (), current_language);
 
   /* Just read whatever is available on the fd.  It is relatively
      harmless if there are any bytes left over.  */
@@ -500,7 +500,7 @@ gdbpy_run_events (int err, gdb_client_data ignore)
       xfree (item);
     }
 
-  PyGILState_Release (state);
+  do_cleanups (cleanup);
 }
 
 /* Submit an event to the gdb thread.  */
@@ -622,10 +622,9 @@ void
 run_python_script (int argc, char **argv)
 {
   FILE *input;
-  PyGILState_STATE state;
 
   /* We never free this, since we plan to exit at the end.  */
-  state = PyGILState_Ensure ();
+  ensure_python_env (get_current_arch (), current_language);
 
   running_python_script = 1;
   PySys_SetArgv (argc - 1, argv + 1);
@@ -643,14 +642,13 @@ run_python_script (int argc, char **argv)
 void
 source_python_script (FILE *stream, char *file)
 {
-  PyGILState_STATE state;
-
-  state = PyGILState_Ensure ();
+  struct cleanup *cleanup;
 
+  cleanup = ensure_python_env (get_current_arch (), current_language);
   PyRun_SimpleFile (stream, file);
 
   fclose (stream);
-  PyGILState_Release (state);
+  do_cleanups (cleanup);
 }
 
 \f