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authorUlrich Drepper <drepper@redhat.com>2000-09-11 19:13:06 +0000
committerUlrich Drepper <drepper@redhat.com>2000-09-11 19:13:06 +0000
commitb81c896174dc98cb15cc80844751fb23cd9e02d1 (patch)
tree36e280081ea0808186228cdfb4cfe93649678157 /linuxthreads/attr.c
parent72c65ff44b8130b54162ec3eb85c36146d7f5d70 (diff)
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Update.
2000-09-11 Ulrich Drepper <drepper@redhat.com> * sysdeps/pthread/pthread.h: Declare pthread_attr_getstack and pthread_attr_setstack. * Versions [libpthread] (GLIBC_2.2): Export pthread_attr_getstack and pthread_attr_setstack. * attr.c (pthread_attr_getstack, pthread_attr_setstack): New functions.
Diffstat (limited to 'linuxthreads/attr.c')
-rw-r--r--linuxthreads/attr.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/linuxthreads/attr.c b/linuxthreads/attr.c
index ac3776a010..fc1ab59674 100644
--- a/linuxthreads/attr.c
+++ b/linuxthreads/attr.c
@@ -22,6 +22,7 @@
#include "pthread.h"
#include "internals.h"
#include <shlib-compat.h>
+#include <stackinfo.h>
int __pthread_attr_init_2_1(pthread_attr_t *attr)
{
@@ -224,3 +225,39 @@ int __pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize)
return 0;
}
weak_alias (__pthread_attr_getstacksize, pthread_attr_getstacksize)
+
+int __pthread_attr_setstack (pthread_attr_t *attr, void *stackaddr,
+ size_t stacksize)
+{
+ int err;
+
+ if ((((uintptr_t) stackaddr)
+ & ~__alignof__ (struct _pthread_descr_struct)) != 0)
+ err = EINVAL;
+ else
+ err = __pthread_attr_setstacksize (attr, stacksize);
+ if (err == 0)
+ {
+#ifdef _STACK_GROWS_UP
+ attr->__stackaddr = (char *) stackaddr + stacksize;
+#else
+ attr->__stackaddr = stackaddr;
+#endif
+ attr->__stackaddr_set = 1;
+ }
+
+ return err;
+}
+weak_alias (__pthread_attr_setstack, pthread_attr_setstack)
+
+int __pthread_attr_getstack (const pthread_attr_t *attr, void **stackaddr,
+ size_t *stacksize)
+{
+ /* XXX This function has a stupid definition. The standard specifies
+ no error value but what is if no stack address was set? We simply
+ return the value we have in the member. */
+ *stackaddr = attr->__stackaddr;
+ *stacksize = attr->__stacksize;
+ return 0;
+}
+weak_alias (__pthread_attr_getstack, pthread_attr_getstack)