diff options
Diffstat (limited to 'gdb/testsuite/gdb.threads/signal-command-multiple-signals-pending.c')
-rw-r--r-- | gdb/testsuite/gdb.threads/signal-command-multiple-signals-pending.c | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/signal-command-multiple-signals-pending.c b/gdb/testsuite/gdb.threads/signal-command-multiple-signals-pending.c new file mode 100644 index 0000000..2fc5f53 --- /dev/null +++ b/gdb/testsuite/gdb.threads/signal-command-multiple-signals-pending.c @@ -0,0 +1,98 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2014 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 <stdio.h> +#include <unistd.h> +#include <stdlib.h> +#include <pthread.h> +#include <signal.h> + +pthread_barrier_t barrier; +sig_atomic_t got_sigusr1; +sig_atomic_t got_sigusr2; + +void +handler_sigusr1 (int sig) +{ + got_sigusr1 = 1; +} + +void +handler_sigusr2 (int sig) +{ + got_sigusr2 = 1; +} + +void * +thread_function (void *arg) +{ + volatile unsigned int count = 1; + + pthread_barrier_wait (&barrier); + + while (count++ != 0) + { + if (got_sigusr1 && got_sigusr2) + break; + usleep (1); + } +} + +void +all_threads_started (void) +{ +} + +void +all_threads_signalled (void) +{ +} + +void +end (void) +{ +} + +int +main (void) +{ + pthread_t child_thread[2]; + int i; + + signal (SIGUSR1, handler_sigusr1); + signal (SIGUSR2, handler_sigusr2); + + pthread_barrier_init (&barrier, NULL, 3); + + for (i = 0; i < 2; i++) + pthread_create (&child_thread[i], NULL, thread_function, NULL); + + pthread_barrier_wait (&barrier); + + all_threads_started (); + + pthread_kill (child_thread[0], SIGUSR1); + pthread_kill (child_thread[1], SIGUSR2); + + all_threads_signalled (); + + for (i = 0; i < 2; i++) + pthread_join (child_thread[i], NULL); + + end (); + return 0; +} |