posix/pthread/pthread_attr.c

21 	pthread_attr *attr;
26 	attr = (pthread_attr *)malloc(sizeof(pthread_attr));
27 	if (attr == NULL)
30 	attr->detach_state = PTHREAD_CREATE_JOINABLE;
31 	attr->sched_priority = B_NORMAL_PRIORITY;
32 	attr->stack_size = USER_STACK_SIZE;
33 	attr->guard_size = USER_STACK_GUARD_SIZE;
35 	*_attr = attr;
43 	pthread_attr *attr;
45 	if (_attr == NULL || (attr = *_attr) == NULL)
49 	free(attr);
58 	pthread_attr *attr;
60 	if (_attr == NULL || (attr = *_attr) == NULL || state == NULL)
63 	*state = attr->detach_state;
72 	pthread_attr *attr;
74 	if (_attr == NULL || (attr = *_attr) == NULL)
80 	attr->detach_state = state;
89 	pthread_attr *attr;
91 	if (_attr == NULL || (attr = *_attr) == NULL || stacksize == NULL)
94 	*stacksize = attr->stack_size;
103 	pthread_attr *attr;
105 	if (_attr == NULL || (attr = *_attr) == NULL)
111 	attr->stack_size = stacksize;
118 pthread_attr_getscope(const pthread_attr_t *attr, int *contentionScope)
120 	if (attr == NULL || contentionScope == NULL)
129 pthread_attr_setscope(pthread_attr_t *attr, int contentionScope)
131 	if (attr == NULL)
142 pthread_attr_setschedparam(pthread_attr_t *attr,
145 	if (attr == NULL || param == NULL)
148 	(*attr)->sched_priority = param->sched_priority;
155 pthread_attr_getschedparam(const pthread_attr_t *attr,
158 	if (attr == NULL || param == NULL)
161 	param->sched_priority = (*attr)->sched_priority;
170 	pthread_attr *attr;
172 	if (_attr == NULL || (attr = *_attr) == NULL || guardsize == NULL)
175 	*guardsize = attr->guard_size;
184 	pthread_attr *attr;
186 	if (_attr == NULL || (attr = *_attr) == NULL)
189 	attr->guard_size = guardsize;