pthread-win32.c

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/*-------------------------------------------------------------------------
*
* pthread-win32.c
*    partial pthread implementation for win32
*
* Copyright (c) 2004-2023, PostgreSQL Global Development Group
* IDENTIFICATION
*   src/interfaces/libpq/pthread-win32.c
*
*-------------------------------------------------------------------------
*/
 
#include "postgres_fe.h"
 
#include "pthread-win32.h"
 
DWORD
pthread_self(void)
{
    return GetCurrentThreadId();
}
 
void
pthread_setspecific(pthread_key_t key, void *val)
{
}
 
void *
pthread_getspecific(pthread_key_t key)
{
    return NULL;
}
 
int
pthread_mutex_init(pthread_mutex_t *mp, void *attr)
{
    *mp = (CRITICAL_SECTION *) malloc(sizeof(CRITICAL_SECTION));
    if (!*mp)
        return 1;
    InitializeCriticalSection(*mp);
    return 0;
}
 
int
pthread_mutex_lock(pthread_mutex_t *mp)
{
    if (!*mp)
        return 1;
    EnterCriticalSection(*mp);
    return 0;
}
 
int
pthread_mutex_unlock(pthread_mutex_t *mp)
{
    if (!*mp)
        return 1;
    LeaveCriticalSection(*mp);
    return 0;
}