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gc.c: assume gc 7.2 features are present

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* libguile/gc.c: Remove shims for GC_get_heap_usage_safe,
  GC_get_free_space_divisor, and GC_set_finalize_on_demand.  Remove code
  in the case in which we did not have GC_set_start_callback.
This commit is contained in:
Andy Wingo 2013-01-20 10:48:19 +01:00
parent c12fa33415
commit d93770763b
1 changed files with 1 additions and 49 deletions
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50
libguile/gc.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2006, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
/* Copyright (C) 1995,1996,1997,1998,1999,2000,2001, 2002, 2003, 2006, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
@ -187,35 +187,6 @@ SCM_DEFINE (scm_set_debug_cell_accesses_x, "set-debug-cell-accesses!", 1, 0, 0,
/* Compatibility. */
#ifndef HAVE_GC_GET_HEAP_USAGE_SAFE
static void
GC_get_heap_usage_safe (GC_word *pheap_size, GC_word *pfree_bytes,
GC_word *punmapped_bytes, GC_word *pbytes_since_gc,
GC_word *ptotal_bytes)
{
*pheap_size = GC_get_heap_size ();
*pfree_bytes = GC_get_free_bytes ();
#ifdef HAVE_GC_GET_UNMAPPED_BYTES
*punmapped_bytes = GC_get_unmapped_bytes ();
#else
*punmapped_bytes = 0;
#endif
*pbytes_since_gc = GC_get_bytes_since_gc ();
*ptotal_bytes = GC_get_total_bytes ();
}
#endif
#ifndef HAVE_GC_GET_FREE_SPACE_DIVISOR
static GC_word
GC_get_free_space_divisor (void)
{
return GC_free_space_divisor;
}
#endif
/* Hooks. */
scm_t_c_hook scm_before_gc_c_hook;
scm_t_c_hook scm_before_mark_c_hook;
@ -394,9 +365,6 @@ SCM_DEFINE (scm_gc, "gc", 0, 0, 0,
void
scm_i_gc (const char *what)
{
#ifndef HAVE_GC_SET_START_CALLBACK
run_before_gc_c_hook ();
#endif
GC_gcollect ();
}
@ -611,14 +579,6 @@ scm_getenv_int (const char *var, int def)
return res;
}
#ifndef HAVE_GC_SET_FINALIZE_ON_DEMAND
static void
GC_set_finalize_on_demand (int foo)
{
GC_finalize_on_demand = foo;
}
#endif
void
scm_storage_prehistory ()
{
@ -1044,19 +1004,11 @@ scm_init_gc ()
scm_c_hook_add (&scm_before_gc_c_hook, start_gc_timer, NULL, 0);
scm_c_hook_add (&scm_after_gc_c_hook, accumulate_gc_timer, NULL, 0);
#if HAVE_GC_GET_HEAP_USAGE_SAFE
/* GC_get_heap_usage does not take a lock, and so can run in the GC
start hook. */
scm_c_hook_add (&scm_before_gc_c_hook, adjust_gc_frequency, NULL, 0);
#else
/* GC_get_heap_usage might take a lock (and did from 7.2alpha1 to
7.2alpha7), so call it in the after_gc_hook. */
scm_c_hook_add (&scm_after_gc_c_hook, adjust_gc_frequency, NULL, 0);
#endif
#ifdef HAVE_GC_SET_START_CALLBACK
GC_set_start_callback (run_before_gc_c_hook);
#endif
#include "libguile/gc.x"
}