diff options
Diffstat (limited to 'gdb/testsuite/gdb.threads/interrupt-while-step-over.c')
-rw-r--r-- | gdb/testsuite/gdb.threads/interrupt-while-step-over.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/interrupt-while-step-over.c b/gdb/testsuite/gdb.threads/interrupt-while-step-over.c new file mode 100644 index 00000000000..eeb81d43761 --- /dev/null +++ b/gdb/testsuite/gdb.threads/interrupt-while-step-over.c @@ -0,0 +1,75 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2016 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 3 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, see <http://www.gnu.org/licenses/>. */ + +#include <pthread.h> +#include <unistd.h> +#include <stdlib.h> + +#define NUM_THREADS 20 +const int num_threads = NUM_THREADS; + +static pthread_t child_thread[NUM_THREADS]; + +static pthread_barrier_t threads_started_barrier; + +volatile int always_zero; +volatile unsigned int dummy; + +static void +infinite_loop (void) +{ + while (1) + { + dummy++; /* set breakpoint here */ + } +} + +static void * +child_function (void *arg) +{ + pthread_barrier_wait (&threads_started_barrier); + + infinite_loop (); +} + +void +all_started (void) +{ +} + +int +main (void) +{ + int res; + int i; + + alarm (300); + + pthread_barrier_init (&threads_started_barrier, NULL, NUM_THREADS + 1); + + for (i = 0; i < NUM_THREADS; i++) + { + res = pthread_create (&child_thread[i], NULL, child_function, NULL); + } + + /* Wait until all threads have been scheduled. */ + pthread_barrier_wait (&threads_started_barrier); + + all_started (); + + infinite_loop (); +} |