Fix use of ucontext_t objects in tst-makecontext3

Objects of type ucontext_t cannot be copied, only getcontext can
properly initialize them.  For example, on powerpc the structure
contains a pointer into itself, so makecontext modifies the original
object by side effect.

1 files changed, 6 insertions, 0 deletions

diff --git a/ChangeLog b/ChangeLog
index 606bc22..be0dd16 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-04-12  Andreas Schwab  <schwab@redhat.com>
+
+	* stdlib/tst-makecontext3.c (main): Initialize ucontext_t objects
+	only with getcontext.  Test for unimplemented makecontext by
+	checking errno.
+
 2010-04-09  Ulrich Drepper  <drepper@redhat.com>
 
 	* nscd/aicache.c (addhstaiX): Correct passing memory to address