Add missing man pages. Fix various compliance bugs, mostly having to do with

error return values.  Implement pthread_mutexattr_gettype().

PR:		docs/16537, docs/17538

5 files changed, 34 insertions, 21 deletions

diff --git a/lib/libc_r/uthread/uthread_attr_setschedparam.c b/lib/libc_r/uthread/uthread_attr_setschedparam.c
index 5746fe2..6c4166b 100644
--- a/lib/libc_r/uthread/uthread_attr_setschedparam.c
+++ b/lib/libc_r/uthread/uthread_attr_setschedparam.c
@@ -41,9 +41,11 @@ pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param
 {
 	int ret = 0;
 
-	if ((attr == NULL) || (*attr == NULL) || (param == NULL))
+	if ((attr == NULL) || (*attr == NULL))
 		ret = EINVAL;
-	else
+	else if (param == NULL) {
+		ret = ENOTSUP;
+	} else
 		(*attr)->prio = param->sched_priority;
 
 	return(ret);
diff --git a/lib/libc_r/uthread/uthread_attr_setschedpolicy.c b/lib/libc_r/uthread/uthread_attr_setschedpolicy.c
index 640cb38..2788deb 100644
--- a/lib/libc_r/uthread/uthread_attr_setschedpolicy.c
+++ b/lib/libc_r/uthread/uthread_attr_setschedpolicy.c
@@ -41,10 +41,11 @@ pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy)
 {
 	int ret = 0;
 
-	if ((attr == NULL) || (*attr == NULL) || (policy < SCHED_FIFO) ||
-	    (policy > SCHED_RR))
+	if ((attr == NULL) || (*attr == NULL))
 		ret = EINVAL;
-	else
+	else if ((policy < SCHED_FIFO) || (policy > SCHED_RR)) {
+		ret = ENOTSUP;
+	} else
 		(*attr)->sched_policy = policy;
 
 	return(ret);
diff --git a/lib/libc_r/uthread/uthread_attr_setscope.c b/lib/libc_r/uthread/uthread_attr_setscope.c
index 84239d7..de2fe8e 100644
--- a/lib/libc_r/uthread/uthread_attr_setscope.c
+++ b/lib/libc_r/uthread/uthread_attr_setscope.c
@@ -41,21 +41,14 @@ pthread_attr_setscope(pthread_attr_t *attr, int contentionscope)
 {
 	int ret = 0;
 
-	if ((attr == NULL) || (*attr == NULL) ||
-	    (contentionscope != PTHREAD_SCOPE_PROCESS) ||
-	    (contentionscope != PTHREAD_SCOPE_SYSTEM))
+	if ((attr == NULL) || (*attr == NULL)) {
 		/* Return an invalid argument: */
 		ret = EINVAL;
-
-	else if (contentionscope == PTHREAD_SCOPE_SYSTEM)
-		/* We don't support system wide contention: */
-#ifdef NOT_YET
+	} else if ((contentionscope != PTHREAD_SCOPE_PROCESS) ||
+	    (contentionscope != PTHREAD_SCOPE_SYSTEM)) {
+		/* We don't support PTHREAD_SCOPE_SYSTEM. */
 		ret = ENOTSUP;
-#else
-		ret = EOPNOTSUPP;
-#endif
-
-	else
+	} else
 		(*attr)->flags |= contentionscope;
 
 	return(ret);
diff --git a/lib/libc_r/uthread/uthread_mattr_kind_np.c b/lib/libc_r/uthread/uthread_mattr_kind_np.c
index 8b3b8cb..1a0832f 100644
--- a/lib/libc_r/uthread/uthread_mattr_kind_np.c
+++ b/lib/libc_r/uthread/uthread_mattr_kind_np.c
@@ -76,4 +76,19 @@ pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type)
 	}
 	return(ret);
 }
+
+int
+pthread_mutexattr_gettype(pthread_mutexattr_t *attr, int *type)
+{
+	int	ret;
+
+	if (attr == NULL || *attr == NULL || (*attr)->m_type >=
+	    MUTEX_TYPE_MAX) {
+		ret = EINVAL;
+	} else {
+		*type = (*attr)->m_type;
+		ret = 0;
+	}
+	return ret;
+}
 #endif
diff --git a/lib/libc_r/uthread/uthread_setschedparam.c b/lib/libc_r/uthread/uthread_setschedparam.c
index f080d5d..bce965f 100644
--- a/lib/libc_r/uthread/uthread_setschedparam.c
+++ b/lib/libc_r/uthread/uthread_setschedparam.c
@@ -43,14 +43,16 @@ pthread_setschedparam(pthread_t pthread, int policy,
 {
 	int old_prio, in_readyq = 0, ret = 0;
 
-	if ((param == NULL) || (param->sched_priority < PTHREAD_MIN_PRIORITY) ||
-	    (param->sched_priority > PTHREAD_MAX_PRIORITY) ||
-	    (policy < SCHED_FIFO) || (policy > SCHED_RR))
+	if ((param == NULL) || (policy < SCHED_FIFO) || (policy > SCHED_RR)) {
 		/* Return an invalid argument error: */
 		ret = EINVAL;
+	} else if ((param->sched_priority < PTHREAD_MIN_PRIORITY) ||
+	    (param->sched_priority > PTHREAD_MAX_PRIORITY)) {
+		/* Return an unsupported value error. */
+		ret = ENOTSUP;
 
 	/* Find the thread in the list of active threads: */
-	else if ((ret = _find_thread(pthread)) == 0) {
+	} else if ((ret = _find_thread(pthread)) == 0) {
 		/*
 		 * Defer signals to protect the scheduling queues from
 		 * access by the signal handler: