Function init_log_mutex

lib_acl/src/stdlib/acl_mylog.c:140–166

}

static void init_log_mutex(acl_pthread_mutex_t *lock)
{
#ifdef ACL_UNIX
	int n1, n2;
	pthread_mutexattr_t attr;

	assert(lock);

	n1 = pthread_mutexattr_init(&attr);

	/* ʹ���� pthread_atfork() ������ fork �����������Ϊ�� fork ǰ���ù�
	 * �������̣������轫������Ϊ�ݹ��� --- zsx, 2019.8.6
	 */
# if defined(ACL_FREEBSD) || defined(ACL_SUNOS5) || defined(ACL_MACOSX) || defined(ALPINE)
	n2 = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
# elif defined(MINGW)
	n2 = 0;
# elif defined(PTHREAD_MUTEX_RECURSIVE_NP)
	n2 = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE_NP);
# else
	n2 = pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
# endif
	thread_mutex_init(lock, !n1 && !n2 ? &attr : NULL);
#else
	thread_mutex_init(lock, NULL);
#endif
}

void acl_log_fp_set(ACL_VSTREAM *fp, const char *logpre)
{