diff options
Diffstat (limited to 'gdb/testsuite/gdb.threads/non-stop-fair-events.c')
-rw-r--r-- | gdb/testsuite/gdb.threads/non-stop-fair-events.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/non-stop-fair-events.c b/gdb/testsuite/gdb.threads/non-stop-fair-events.c new file mode 100644 index 0000000..6a9d31d --- /dev/null +++ b/gdb/testsuite/gdb.threads/non-stop-fair-events.c @@ -0,0 +1,84 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2014-2015 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> +#include <signal.h> + +#define NUM_THREADS 10 +const int num_threads = NUM_THREADS; + +pthread_t child_thread[NUM_THREADS]; +volatile pthread_t signal_thread; +volatile int got_sig; + +void +handler (int signo) +{ + got_sig = 1; +} + +void +loop_broke (void) +{ +} + +#define INF_LOOP \ + do \ + { \ + while (!got_sig) \ + ; \ + } \ + while (0) + +void * +child_function (void *arg) +{ + pthread_t self = pthread_self (); + + while (1) + { + INF_LOOP; /* set thread breakpoint here */ + loop_broke (); + } +} + +int +main (void) +{ + int res; + int i; + + alarm (60); + + signal (SIGUSR1, handler); + + for (i = 0; i < NUM_THREADS; i++) + { + res = pthread_create (&child_thread[i], NULL, child_function, NULL); + } + + while (1) + { + pthread_kill (signal_thread, SIGUSR1); /* set kill breakpoint here */ + INF_LOOP; + loop_broke (); + } + + exit(EXIT_SUCCESS); +} |