1998-07-14 Ben Elliston <bje@cygnus.com>

	* attr.c (pthread_attr_setstacksize): Implement.
	(pthread_attr_getstacksize): Likewise.
	(pthread_attr_setstackaddr): Likewise.
	(pthread_attr_getstackaddr): Likewise.
	(pthread_attr_init): Likewise.
	(pthread_attr_destroy): Likewise.

1 files changed, 100 insertions, 0 deletions

diff --git a/attr.c b/attr.c
new file mode 100644
index 0000000..a99cf53
--- /dev/null
+++ b/attr.c
@@ -0,0 +1,100 @@
+/*
+ * attr.c
+ *
+ * Description:
+ * This translation unit implements operations on thread attribute objects.
+ */
+
+#include "pthread.h"
+#include "implement.h"
+
+int
+pthread_attr_setstacksize(pthread_attr_t *attr,
+			  size_t stacksize)
+{
+  /* Verify that the stack size is within range. */
+  if (stacksize < PTHREAD_STACK_MIN)
+    {
+      return EINVAL;
+    }
+
+  if (is_attr(attr) != 0)
+    {
+      return EINVAL;
+    }
+
+  /* Everything is okay. */
+  (_pthread_attr_t *) (attr->ptr)->stacksize = stacksize;
+  return 0;
+}
+
+int
+pthread_attr_getstacksize(const pthread_attr_t *attr,
+			  size_t *stacksize)
+{
+  if (is_attr(attr) != 0)
+    {
+      return EINVAL;
+    }
+
+  /* Everything is okay. */
+  *stacksize = (_pthread_attr_t *) (attr->ptr)->stacksize;
+  return 0;
+}
+
+int
+pthread_attr_setstackaddr(pthread_attr_t *attr,
+			  void *stackaddr)
+{
+  if ((is_attr(attr) != 0))
+    {
+      return EINVAL;
+    }
+
+  /* FIXME: it does not look like Win32 permits this. */
+  return ENOSYS;
+}
+
+int
+pthread_attr_getstackaddr(const pthread_attr_t *attr,
+			  void **stackaddr)
+{
+  if ((is_attr(attr) != 0))
+    {
+      return EINVAL;
+    }
+  
+  /* FIXME: it does not look like Win32 permits this. */
+  return ENOSYS;
+}
+
+int
+pthread_attr_init(pthread_attr_t *attr)
+{
+  if (attr == NULL)
+    {
+      /* This is disallowed. */
+      return EINVAL;
+    }
+
+  attr->ptr = malloc(sizeof(_pthread_attr_t));
+  if (attr->ptr == NULL)
+    {
+      return ENOMEM;
+    }
+  
+  /* FIXME: Fill out the structure with default values. */
+  return 0;
+}
+
+int
+pthread_attr_destroy(pthread_attr_t *attr)
+{
+  if (is_attr(attr) != 0)
+    {
+      return EINVAL;
+    }
+ 
+  free (attr->ptr);
+  return 0;
+}