* alloc.c (make_interval, allocate_string)

	(allocate_string_data, make_float, Fcons, allocate_vectorlike)
	(Fmake_symbol, allocate_misc): Use BLOCK_INPUT when accessing
	global variables.

1 files changed, 73 insertions, 8 deletions

diff --git a/src/alloc.c b/src/alloc.c
index 4d44134e1cd..01c12f954b7 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -1422,7 +1422,11 @@ make_interval ()
 {
   INTERVAL val;
 
-  eassert (!handling_signal);
+  /* eassert (!handling_signal); */
+
+#ifndef SYNC_INPUT
+  BLOCK_INPUT;
+#endif
 
   if (interval_free_list)
     {
@@ -1445,6 +1449,11 @@ make_interval ()
         }
       val = &interval_block->intervals[interval_block_index++];
     }
+
+#ifndef SYNC_INPUT
+  UNBLOCK_INPUT;
+#endif
+
   consing_since_gc += sizeof (struct interval);
   intervals_consed++;
   RESET_INTERVAL (val);
@@ -1842,7 +1851,11 @@ allocate_string ()
 {
   struct Lisp_String *s;
 
-  eassert (!handling_signal);
+  /* eassert (!handling_signal); */
+
+#ifndef SYNC_INPUT
+  BLOCK_INPUT;
+#endif
 
   /* If the free-list is empty, allocate a new string_block, and
      add all the Lisp_Strings in it to the free-list.  */
@@ -1873,6 +1886,10 @@ allocate_string ()
   s = string_free_list;
   string_free_list = NEXT_FREE_LISP_STRING (s);
 
+#ifndef SYNC_INPUT
+  UNBLOCK_INPUT;
+#endif
+
   /* Probably not strictly necessary, but play it safe.  */
   bzero (s, sizeof *s);
 
@@ -1920,6 +1937,12 @@ allocate_string_data (s, nchars, nbytes)
   /* Determine the number of bytes needed to store NBYTES bytes
      of string data.  */
   needed = SDATA_SIZE (nbytes);
+  old_data = s->data ? SDATA_OF_STRING (s) : NULL;
+  old_nbytes = GC_STRING_BYTES (s);
+
+#ifndef SYNC_INPUT
+  BLOCK_INPUT;
+#endif
 
   if (nbytes > LARGE_STRING_BYTES)
     {
@@ -1974,12 +1997,13 @@ allocate_string_data (s, nchars, nbytes)
   else
     b = current_sblock;
 
-  old_data = s->data ? SDATA_OF_STRING (s) : NULL;
-  old_nbytes = GC_STRING_BYTES (s);
-
   data = b->next_free;
   b->next_free = (struct sdata *) ((char *) data + needed + GC_STRING_EXTRA);
 
+#ifndef SYNC_INPUT
+  UNBLOCK_INPUT;
+#endif
+
   data->string = s;
   s->data = SDATA_DATA (data);
 #ifdef GC_CHECK_STRING_BYTES
@@ -2560,7 +2584,11 @@ make_float (float_value)
 {
   register Lisp_Object val;
 
-  eassert (!handling_signal);
+  /* eassert (!handling_signal); */
+
+#ifndef SYNC_INPUT
+  BLOCK_INPUT;
+#endif
 
   if (float_free_list)
     {
@@ -2587,6 +2615,10 @@ make_float (float_value)
       float_block_index++;
     }
 
+#ifndef SYNC_INPUT
+  UNBLOCK_INPUT;
+#endif
+
   XFLOAT_DATA (val) = float_value;
   eassert (!FLOAT_MARKED_P (XFLOAT (val)));
   consing_since_gc += sizeof (struct Lisp_Float);
@@ -2681,7 +2713,11 @@ DEFUN ("cons", Fcons, Scons, 2, 2, 0,
 {
   register Lisp_Object val;
 
-  eassert (!handling_signal);
+  /* eassert (!handling_signal); */
+
+#ifndef SYNC_INPUT
+  BLOCK_INPUT;
+#endif
 
   if (cons_free_list)
     {
@@ -2707,6 +2743,10 @@ DEFUN ("cons", Fcons, Scons, 2, 2, 0,
       cons_block_index++;
     }
 
+#ifndef SYNC_INPUT
+  UNBLOCK_INPUT;
+#endif
+
   XSETCAR (val, car);
   XSETCDR (val, cdr);
   eassert (!CONS_MARKED_P (XCONS (val)));
@@ -2880,8 +2920,17 @@ allocate_vectorlike (len, type)
   consing_since_gc += nbytes;
   vector_cells_consed += len;
 
+#ifndef SYNC_INPUT
+  BLOCK_INPUT;
+#endif
+
   p->next = all_vectors;
   all_vectors = p;
+
+#ifndef SYNC_INPUT
+  UNBLOCK_INPUT;
+#endif
+
   ++n_vectors;
   return p;
 }
@@ -3162,6 +3211,10 @@ Its value and function definition are void, and its property list is nil.  */)
 
   eassert (!handling_signal);
 
+#ifndef SYNC_INPUT
+  BLOCK_INPUT;
+#endif
+
   if (symbol_free_list)
     {
       XSETSYMBOL (val, symbol_free_list);
@@ -3183,6 +3236,10 @@ Its value and function definition are void, and its property list is nil.  */)
       symbol_block_index++;
     }
 
+#ifndef SYNC_INPUT
+  UNBLOCK_INPUT;
+#endif
+
   p = XSYMBOL (val);
   p->xname = name;
   p->plist = Qnil;
@@ -3242,7 +3299,11 @@ allocate_misc ()
 {
   Lisp_Object val;
 
-  eassert (!handling_signal);
+  /* eassert (!handling_signal); */
+
+#ifndef SYNC_INPUT
+  BLOCK_INPUT;
+#endif
 
   if (marker_free_list)
     {
@@ -3266,6 +3327,10 @@ allocate_misc ()
       marker_block_index++;
     }
 
+#ifndef SYNC_INPUT
+  UNBLOCK_INPUT;
+#endif
+
   --total_free_markers;
   consing_since_gc += sizeof (union Lisp_Misc);
   misc_objects_consed++;