Lock.h File Reference

#include "./Platform.h"
#include <pthread.h>
#include <errno.h>

Go to the source code of this file.

Macros
#define	ae2f_addrel_t   int32_t
	Address element type.
#define	__ae2f_osx_wait(uaddr, v)
	Wait on uaddr if its value equals v.
#define	__ae2f_osx_wakesingle(uaddr)
	Wake one thread waiting on uaddr.
#define	__ae2f_Wait   __ae2f_osx_wait
#define	__ae2f_WakeSingle   __ae2f_osx_wakesingle

Detailed Description

Todo

Give a way for err-handling

Definition in file Lock.h.

Macro Definition Documentation

__ae2f_osx_wait

#define __ae2f_osx_wait	(		uaddr,
			v )

Value:

    ({ int __ret = 0; \
       if (pthread_mutex_lock(&__ae2f_osx_mutex) != 0) { \
           errno = EAGAIN; \
           __ret = -1; \
       } else { \
           while (*(uaddr) == (v) && __ret == 0) { \
               if (pthread_cond_wait(&__ae2f_osx_cond, &__ae2f_osx_mutex) != 0) { \
                   errno = EAGAIN; \
                   __ret = -1; \
               } \
           } \
           if (pthread_mutex_unlock(&__ae2f_osx_mutex) != 0) { \
               errno = EAGAIN; \
               __ret = -1; \
           } \
       } \
       __ret; })

Wait on uaddr if its value equals v.

Parameters

uaddr	Pointer to address to wait on.
v	Value to compare against.

Returns

0 on success, -1 on error with errno set.

Definition at line 125 of file Lock.h.

__ae2f_osx_wakesingle

#define __ae2f_osx_wakesingle

(

uaddr

)

Value:

    ({ int __ret = 0; \
       if (pthread_mutex_lock(&__ae2f_osx_mutex) != 0) { \
           errno = EAGAIN; \
           __ret = -1; \
       } else { \
           if (pthread_cond_signal(&__ae2f_osx_cond) != 0) { \
               errno = EAGAIN; \
               __ret = -1; \
           } \
           if (pthread_mutex_unlock(&__ae2f_osx_mutex) != 0) { \
               errno = EAGAIN; \
               __ret = -1; \
           } \
       } \
       __ret; })

Wake one thread waiting on uaddr.

Parameters

uaddr

Pointer to address (unused, wakes condition variable).

Returns

0 on success, -1 on error with errno set.

Definition at line 149 of file Lock.h.

__ae2f_Wait

#define __ae2f_Wait   __ae2f_osx_wait

Definition at line 166 of file Lock.h.

__ae2f_WakeSingle

#define __ae2f_WakeSingle   __ae2f_osx_wakesingle

Definition at line 167 of file Lock.h.

ae2f_addrel_t

#define ae2f_addrel_t   int32_t

Address element type.

Definition at line 111 of file Lock.h.