diff options
Diffstat (limited to 'lib/libpthread/thread/thr_kern.c')
| -rw-r--r-- | lib/libpthread/thread/thr_kern.c | 54 |
1 files changed, 53 insertions, 1 deletions
diff --git a/lib/libpthread/thread/thr_kern.c b/lib/libpthread/thread/thr_kern.c index ba8e25070b4a..925d5bf052ae 100644 --- a/lib/libpthread/thread/thr_kern.c +++ b/lib/libpthread/thread/thr_kern.c @@ -29,7 +29,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id$ + * $Id: uthread_kern.c,v 1.5 1997/04/01 22:51:48 jb Exp $ * */ #include <errno.h> @@ -949,6 +949,58 @@ _thread_signal(pthread_t pthread, int sig) _thread_sys_sigreturn(&pthread->saved_sigcontext); break; + /* + * The following signals should terminate the + * process. Do this by clearing the signal action + * and then re-throwing the signal. + */ + case SIGHUP: + case SIGINT: + case SIGPIPE: + case SIGALRM: + case SIGTERM: + case SIGXCPU: + case SIGXFSZ: + case SIGVTALRM: + case SIGUSR1: + case SIGUSR2: + /* These signals stop the process. Also re-throw them. */ + case SIGTSTP: + case SIGTTIN: + case SIGTTOU: + /* Clear the signal action: */ + sigfillset(&act.sa_mask); + act.sa_handler = SIG_DFL; + act.sa_flags = SA_RESTART; + _thread_sys_sigaction(sig, &act, NULL); + /* Re-throw to ourselves. */ + kill(getpid(), sig); + break; + + case SIGCONT: + /* + * If we get this it means that we were + * probably stopped and then continued. + * Reset the handler for the SIGTSTP, SIGTTIN + * and SIGTTOU signals. + */ + + sigfillset(&act.sa_mask); + act.sa_handler = (void (*) ()) _thread_sig_handler; + act.sa_flags = SA_RESTART; + + /* Initialise the signals for default handling: */ + if (_thread_sys_sigaction(SIGTSTP, &act, NULL) != 0) { + PANIC("Cannot initialise SIGTSTP signal handler"); + } + if (_thread_sys_sigaction(SIGTTIN, &act, NULL) != 0) { + PANIC("Cannot initialise SIGTTIN signal handler"); + } + if (_thread_sys_sigaction(SIGTTOU, &act, NULL) != 0) { + PANIC("Cannot initialise SIGTTOU signal handler"); + } + break; + /* Default processing for other signals: */ default: /* |