granicus.if.org Git - postgresql/blob - src/interfaces/libpq/pthread-win32.c

   1 /*-------------------------------------------------------------------------
   2 *
   3 * pthread-win32.c
   4 *        partial pthread implementation for win32
   5 *
   6 * Copyright (c) 2004-2014, PostgreSQL Global Development Group
   7 * IDENTIFICATION
   8 *       src/interfaces/libpq/pthread-win32.c
   9 *
  10 *-------------------------------------------------------------------------
  11 */
  12
  13 #include "postgres_fe.h"
  14
  15 #include <windows.h>
  16 #include "pthread-win32.h"
  17
  18 DWORD
  19 pthread_self(void)
  20 {
  21         return GetCurrentThreadId();
  22 }
  23
  24 void
  25 pthread_setspecific(pthread_key_t key, void *val)
  26 {
  27 }
  28
  29 void *
  30 pthread_getspecific(pthread_key_t key)
  31 {
  32         return NULL;
  33 }
  34
  35 int
  36 pthread_mutex_init(pthread_mutex_t *mp, void *attr)
  37 {
  38         *mp = (CRITICAL_SECTION *) malloc(sizeof(CRITICAL_SECTION));
  39         if (!*mp)
  40                 return 1;
  41         InitializeCriticalSection(*mp);
  42         return 0;
  43 }
  44
  45 int
  46 pthread_mutex_lock(pthread_mutex_t *mp)
  47 {
  48         if (!*mp)
  49                 return 1;
  50         EnterCriticalSection(*mp);
  51         return 0;
  52 }
  53
  54 int
  55 pthread_mutex_unlock(pthread_mutex_t *mp)
  56 {
  57         if (!*mp)
  58                 return 1;
  59         LeaveCriticalSection(*mp);
  60         return 0;
  61 }