diff options
Diffstat (limited to 'stdlib/tst-makecontext.c')
-rw-r--r-- | stdlib/tst-makecontext.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/stdlib/tst-makecontext.c b/stdlib/tst-makecontext.c new file mode 100644 index 0000000000..1451efa56e --- /dev/null +++ b/stdlib/tst-makecontext.c @@ -0,0 +1,67 @@ +/* Copyright (C) 2006, 2007 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <stdlib.h> +#include <stdio.h> +#include <ucontext.h> + +ucontext_t ucp; +char st1[8192]; +__thread int thr; + +void +cf (int i) +{ + if (i != 78 || thr != 94) + { + printf ("i %d thr %d\n", i, thr); + exit (1); + } + exit (0); +} + +int +do_test (void) +{ + if (getcontext (&ucp) != 0) + { + if (errno == ENOSYS) + { + puts ("context handling not supported"); + return 0; + } + + puts ("getcontext failed"); + return 1; + } + thr = 94; + ucp.uc_link = NULL; + ucp.uc_stack.ss_sp = st1; + ucp.uc_stack.ss_size = sizeof st1; + makecontext (&ucp, (void (*) (void)) cf, 1, 78); + if (setcontext (&ucp) != 0) + { + puts ("setcontext failed"); + return 1; + } + return 2; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |