From f0fd92385d534258bb40677008249001778e9b28 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Wed, 21 Apr 2004 17:19:28 +0000 Subject: 2004-04-21 Andrew Cagney * gdb.base/sigstep.c: New file. * gdb.base/sigstep.exp: New file. --- gdb/testsuite/gdb.base/sigstep.c | 56 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 gdb/testsuite/gdb.base/sigstep.c (limited to 'gdb/testsuite/gdb.base/sigstep.c') diff --git a/gdb/testsuite/gdb.base/sigstep.c b/gdb/testsuite/gdb.base/sigstep.c new file mode 100644 index 0000000..a9e8618 --- /dev/null +++ b/gdb/testsuite/gdb.base/sigstep.c @@ -0,0 +1,56 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2004 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +*/ + +#include +#include +#include + +static volatile int done; + +static void +handler (int sig) +{ + done = 1; +} /* handler */ + +main () +{ + /* Set up the signal handler. */ + { + struct sigaction action; + memset (&action, 0, sizeof (action)); + action.sa_handler = handler; + sigaction (SIGVTALRM, &action, NULL); + } + + /* Set up a one-off timer. A timer, rather than SIGSEGV, is used as + after a timer handler finishes the interrupted code can safely + resume. */ + { + struct itimerval itime; + memset (&itime, 0, sizeof (itime)); + itime.it_value.tv_usec = 250 * 1000; + setitimer (ITIMER_VIRTUAL, &itime, NULL); + } + + /* Wait. */ + while (!done); + return 0; +} /* main */ -- cgit v1.1