pd.if.org Git - liblfds/blob - liblfds/liblfds7.1.0/test_and_benchmark/libbenchmark/src/libbenchmark_datastructures_freelist/libbenchmark_datastructure_freelist_windows_critical_section.c

   1 /***** includes *****/
   2 #include "libbenchmark_datastructure_freelist_internal.h"
   3
   4
   5
   6
   7
   8 /****************************************************************************/
   9 void libbenchmark_datastructure_freelist_windows_critical_section_init( struct libbenchmark_datastructure_freelist_windows_critical_section_state *fs, void *user_state )
  10 {
  11   LFDS710_PAL_ASSERT( fs != NULL );
  12   LFDS710_PAL_ASSERT( user_state == NULL );
  13
  14   fs->top = NULL;
  15   fs->user_state = user_state;
  16
  17   LIBBENCHMARK_PAL_LOCK_WINDOWS_CRITICAL_SECTION_CREATE( fs->lock );
  18
  19   LFDS710_MISC_BARRIER_STORE;
  20
  21   lfds710_misc_force_store();
  22
  23   return;
  24 }
  25
  26
  27
  28
  29
  30 /****************************************************************************/
  31 void libbenchmark_datastructure_freelist_windows_critical_section_cleanup( struct libbenchmark_datastructure_freelist_windows_critical_section_state *fs, void (*element_pop_callback)(struct libbenchmark_datastructure_freelist_windows_critical_section_state *fs, struct libbenchmark_datastructure_freelist_windows_critical_section_element *fe, void *user_state) )
  32 {
  33   struct libbenchmark_datastructure_freelist_windows_critical_section_element
  34     *fe,
  35     *fe_temp;
  36
  37   LFDS710_PAL_ASSERT( fs != NULL );
  38   // TRD : element_pop_callback can be NULL
  39
  40   LFDS710_MISC_BARRIER_LOAD;
  41
  42   if( element_pop_callback != NULL )
  43   {
  44     fe = fs->top;
  45
  46     while( fe != NULL )
  47     {
  48       fe_temp = fe;
  49       fe = fe->next;
  50
  51       element_pop_callback( fs, fe_temp, (void *) fs->user_state );
  52     }
  53   }
  54
  55   LIBBENCHMARK_PAL_LOCK_WINDOWS_CRITICAL_SECTION_DESTROY( fs->lock );
  56
  57   return;
  58 }
  59
  60
  61
  62
  63
  64 /****************************************************************************/
  65 void libbenchmark_datastructure_freelist_windows_critical_section_push( struct libbenchmark_datastructure_freelist_windows_critical_section_state *fs, struct libbenchmark_datastructure_freelist_windows_critical_section_element *fe )
  66 {
  67   LFDS710_PAL_ASSERT( fs != NULL );
  68   LFDS710_PAL_ASSERT( fe != NULL );
  69
  70   LIBBENCHMARK_PAL_LOCK_WINDOWS_CRITICAL_SECTION_GET( fs->lock );
  71
  72   fe->next = fs->top;
  73   fs->top = fe;
  74
  75   LIBBENCHMARK_PAL_LOCK_WINDOWS_CRITICAL_SECTION_RELEASE( fs->lock );
  76
  77   return;
  78 }
  79
  80
  81
  82
  83
  84 /****************************************************************************/
  85 #pragma warning( disable : 4100 )
  86
  87 int libbenchmark_datastructure_freelist_windows_critical_section_pop( struct libbenchmark_datastructure_freelist_windows_critical_section_state *fs, struct libbenchmark_datastructure_freelist_windows_critical_section_element **fe )
  88 {
  89   int
  90     rv = 1;
  91
  92   LFDS710_PAL_ASSERT( fs != NULL );
  93   LFDS710_PAL_ASSERT( fe != NULL );
  94
  95   LIBBENCHMARK_PAL_LOCK_WINDOWS_CRITICAL_SECTION_GET( fs->lock );
  96
  97   *fe = fs->top;
  98
  99   if( fs->top != NULL )
 100     fs->top = fs->top->next;
 101   else
 102     rv = 0;
 103
 104   LIBBENCHMARK_PAL_LOCK_WINDOWS_CRITICAL_SECTION_RELEASE( fs->lock );
 105
 106   return rv;
 107 }
 108
 109 #pragma warning( default : 4100 )
 110