| /* Test that sigprocmask does not read from the unused part of jmpbuf. |
| Copyright (C) 2017-2018 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 <stdlib.h> |
| #include <signal.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <setjmpP.h> |
| #include <support/next_to_fault.h> |
| |
| #define SIZEOF_SIGSET_T sizeof (__jmp_buf_sigset_t) |
| |
| static int |
| do_test (void) |
| { |
| sigjmp_buf sj; |
| struct support_next_to_fault sigset_t_buf |
| = support_next_to_fault_allocate (SIZEOF_SIGSET_T); |
| sigset_t *m_p = (sigset_t *) sigset_t_buf.buffer; |
| sigset_t m; |
| |
| sigemptyset (&m); |
| memcpy (m_p, &m, SIZEOF_SIGSET_T); |
| sigprocmask (SIG_SETMASK, m_p, NULL); |
| memcpy (&m, m_p, SIZEOF_SIGSET_T); |
| if (sigsetjmp (sj, 0) == 0) |
| { |
| sigaddset (&m, SIGUSR1); |
| memcpy (m_p, &m, SIZEOF_SIGSET_T); |
| sigprocmask (SIG_SETMASK, m_p, NULL); |
| memcpy (&m, m_p, SIZEOF_SIGSET_T); |
| siglongjmp (sj, 1); |
| return EXIT_FAILURE; |
| } |
| sigprocmask (SIG_SETMASK, NULL, m_p); |
| memcpy (&m, m_p, SIZEOF_SIGSET_T); |
| return sigismember (&m, SIGUSR1) ? EXIT_SUCCESS : EXIT_FAILURE; |
| } |
| |
| #include <support/test-driver.c> |