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Diffstat (limited to 'gdb/testsuite/gdb.base/sigstep.c')
-rw-r--r-- | gdb/testsuite/gdb.base/sigstep.c | 56 |
1 files changed, 56 insertions, 0 deletions
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 <stdio.h> +#include <signal.h> +#include <sys/time.h> + +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 */ |