1 /* Check getcontext and setcontext on the context from makecontext.
2 Copyright (C) 2018-2019 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
23 #include <stdatomic.h>
25 static ucontext_t ctx[3];
26 static atomic_int done;
31 printf ("start f1\n");
34 if (getcontext (&ctx[2]) != 0)
36 printf ("%s: getcontext: %m\n", __FUNCTION__);
43 if (setcontext (&ctx[2]) != 0)
45 printf ("%s: setcontext: %m\n", __FUNCTION__);
54 puts ("making contexts");
55 if (getcontext (&ctx[0]) != 0)
57 printf ("%s: getcontext: %m\n", __FUNCTION__);
60 if (getcontext (&ctx[1]) != 0)
62 printf ("%s: getcontext: %m\n", __FUNCTION__);
65 ctx[1].uc_stack.ss_sp = st1;
66 ctx[1].uc_stack.ss_size = sizeof st1;
67 ctx[1].uc_link = &ctx[0];
68 makecontext (&ctx[1], (void (*) (void)) f1, 0);
69 if (setcontext (&ctx[1]) != 0)
71 printf ("%s: setcontext: %m\n", __FUNCTION__);
77 #include <support/test-driver.c>