diff options
Diffstat (limited to 'gdb/testsuite/gdb.threads/queue-signal.c')
-rw-r--r-- | gdb/testsuite/gdb.threads/queue-signal.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.threads/queue-signal.c b/gdb/testsuite/gdb.threads/queue-signal.c new file mode 100644 index 0000000..147f2f7 --- /dev/null +++ b/gdb/testsuite/gdb.threads/queue-signal.c @@ -0,0 +1,102 @@ +/* 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 <pthread.h> +#include <signal.h> +#include <stdlib.h> +#include <unistd.h> + +/* Used to individually advance each thread to the desired stopping point. */ +int ready; + +sig_atomic_t sigusr1_received; +sig_atomic_t sigusr2_received; +sig_atomic_t sigabrt_received; + +static void +sigusr1_handler (int sig) +{ + sigusr1_received = 1; +} + +static void +sigusr2_handler (int sig) +{ + sigusr2_received = 1; +} + +static void +sigabrt_handler (int sig) +{ + sigabrt_received = 1; +} + +static void * +sigusr1_thread_function (void *unused) +{ + while (!ready) + usleep (100); + pthread_kill (pthread_self (), SIGUSR1); +} + +static void * +sigusr2_thread_function (void *unused) +{ + while (!ready) + usleep (100); + /* pthread_kill (pthread_self (), SIGUSR2); - manually injected by gdb */ +} + +static void +all_threads_running (void) +{ + while (!ready) + usleep (100); +} + +static void +all_threads_done (void) +{ +} + +int +main () +{ + pthread_t sigusr1_thread, sigusr2_thread; + + /* Protect against running forever. */ + alarm (60); + + signal (SIGUSR1, sigusr1_handler); + signal (SIGUSR2, sigusr2_handler); + signal (SIGABRT, sigabrt_handler); + + /* Don't let any thread advance past initialization. */ + ready = 0; + + pthread_create (&sigusr1_thread, NULL, sigusr1_thread_function, NULL); + pthread_create (&sigusr2_thread, NULL, sigusr2_thread_function, NULL); + all_threads_running (); + + pthread_kill (pthread_self (), SIGABRT); + + pthread_join (sigusr1_thread, NULL); + pthread_join (sigusr2_thread, NULL); + all_threads_done (); + + return 0; +} |