/* Copyright (C) 2006, 2007, 2008 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, see <http://www.gnu.org/licenses/>. */ #include <errno.h> #include <stdlib.h> #include <stdio.h> #include <ucontext.h> ucontext_t ucp; char st1[8192]; __thread int thr; int somevar = -76; long othervar = -78L; void cf (int i) { if (i != othervar || thr != 94) { printf ("i %d thr %d\n", i, thr); exit (1); } /* Since uc_link below has been set to NULL, setcontext is supposed to terminate the process normally after this function returns. */ } 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, somevar - 2); if (setcontext (&ucp) != 0) { puts ("setcontext failed"); return 1; } return 2; } #define TEST_FUNCTION do_test () #include "../test-skeleton.c"