add pthread_attr_setstack interface (and get)

[musl] / src / thread / pthread_attr_setstack.c

diff --git a/src/thread/pthread_attr_setstack.c b/src/thread/pthread_attr_setstack.c
new file mode 100644 (file)
index 0000000..c51ad34
--- /dev/null
+++ b/src/thread/pthread_attr_setstack.c
@@ -0,0 +1,14 @@
+#include "pthread_impl.h"
+
+/* pthread_key_create.c overrides this */
+static const size_t dummy = 0;
+weak_alias(dummy, __pthread_tsd_size);
+
+int pthread_attr_setstack(pthread_attr_t *a, void *addr, size_t size)
+{
+       if (size-PTHREAD_STACK_MIN-__pthread_tsd_size > SIZE_MAX/4)
+               return EINVAL;
+       a->_a_stackaddr = (size_t)addr + size;
+       a->_a_stacksize = size - DEFAULT_STACK_SIZE;
+       return 0;
+}