threading.h

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#ifndef MBEDTLS_THREADING_H
#define MBEDTLS_THREADING_H

#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif

#include <stdlib.h>

#ifdef __cplusplus
extern "C" {
#endif

#define MBEDTLS_ERR_THREADING_FEATURE_UNAVAILABLE -0x001A 
#define MBEDTLS_ERR_THREADING_BAD_INPUT_DATA -0x001C 
#define MBEDTLS_ERR_THREADING_MUTEX_ERROR -0x001E 
#if defined(MBEDTLS_THREADING_PTHREAD)
#include <pthread.h>
typedef struct
{
 pthread_mutex_t mutex;
 char is_valid;
} mbedtls_threading_mutex_t;
#endif

#if defined(MBEDTLS_THREADING_ALT)
/* You should define the mbedtls_threading_mutex_t type in your header */
#include "threading_alt.h"

void mbedtls_threading_set_alt( void (*mutex_init)( mbedtls_threading_mutex_t * ),
 void (*mutex_free)( mbedtls_threading_mutex_t * ),
 int (*mutex_lock)( mbedtls_threading_mutex_t * ),
 int (*mutex_unlock)( mbedtls_threading_mutex_t * ) );

void mbedtls_threading_free_alt( void );
#endif /* MBEDTLS_THREADING_ALT */

#if defined(MBEDTLS_THREADING_C)
/*
 * The function pointers for mutex_init, mutex_free, mutex_ and mutex_unlock
 *
 * All these functions are expected to work or the result will be undefined.
 */
extern void (*mbedtls_mutex_init)( mbedtls_threading_mutex_t *mutex );
extern void (*mbedtls_mutex_free)( mbedtls_threading_mutex_t *mutex );
extern int (*mbedtls_mutex_lock)( mbedtls_threading_mutex_t *mutex );
extern int (*mbedtls_mutex_unlock)( mbedtls_threading_mutex_t *mutex );

/*
 * Global mutexes
 */
extern mbedtls_threading_mutex_t mbedtls_threading_readdir_mutex;
extern mbedtls_threading_mutex_t mbedtls_threading_gmtime_mutex;
#endif /* MBEDTLS_THREADING_C */

#ifdef __cplusplus
}
#endif

#endif /* threading.h */