X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fsignals.c;h=85e5c79494fe59a4680cf42bf47120be2693e3e7;hb=28c5588e8e1a8d091c5d2275232c35f2968a97fa;hp=1340f54c87b9a248fe1a0289d516bc88913f1871;hpb=b173e167a49ae2ee0a886a80d0c49674d966c8dc;p=sliver-openvswitch.git

diff --git a/lib/signals.c b/lib/signals.c
index 1340f54c8..85e5c7949 100644
--- a/lib/signals.c
+++ b/lib/signals.c
@@ -39,66 +39,6 @@ VLOG_DEFINE_THIS_MODULE(signals);
 #define N_SIGNALS 32
 #endif
 
-struct signal {
-    int fds[2];
-};
-
-static struct signal signals[N_SIGNALS];
-
-static void signal_handler(int signr);
-
-/* Sets up a handler for 'signr' and returns a structure that represents it.
- *
- * Only one handler for a given signal may be registered. */
-struct signal *
-signal_register(int signr)
-{
-    struct sigaction sa;
-    struct signal *s;
-
-    ovs_assert(signr >= 1 && signr < N_SIGNALS);
-
-    /* Create a pipe. */
-    s = &signals[signr];
-    ovs_assert(!s->fds[0] && !s->fds[1]);
-    xpipe_nonblocking(s->fds);
-
-    /* Install signal handler. */
-    memset(&sa, 0, sizeof sa);
-    sa.sa_handler = signal_handler;
-    sigemptyset(&sa.sa_mask);
-    sa.sa_flags = SA_RESTART;
-    xsigaction(signr, &sa, NULL);
-
-    return s;
-}
-
-/* Returns true if signal 's' has been received since the last call to this
- * function with argument 's'. */
-bool
-signal_poll(struct signal *s)
-{
-    char buf[_POSIX_PIPE_BUF];
-
-    return read(s->fds[0], buf, sizeof buf) > 0;
-}
-
-/* Causes the next call to poll_block() to wake up when signal_poll(s) would
- * return true. */
-void
-signal_wait(struct signal *s)
-{
-    poll_fd_wait(s->fds[0], POLLIN);
-}
-
-static void
-signal_handler(int signr)
-{
-    if (signr >= 1 && signr < N_SIGNALS) {
-        ignore(write(signals[signr].fds[1], "", 1));
-    }
-}
-
 /* Returns the name of signal 'signum' as a string.  The return value is either
  * a statically allocated constant string or the 'bufsize'-byte buffer
  * 'namebuf'.  'bufsize' should be at least SIGNAL_NAME_BUFSIZE.
@@ -110,7 +50,7 @@ const char *
 signal_name(int signum, char *namebuf, size_t bufsize)
 {
 #if HAVE_DECL_SYS_SIGLIST
-    if (signum >= 0 && signum < ARRAY_SIZE(sys_siglist)) {
+    if (signum >= 0 && signum < N_SIGNALS) {
         const char *name = sys_siglist[signum];
         if (name) {
             return name;
@@ -130,15 +70,6 @@ xsigaction(int signum, const struct sigaction *new, struct sigaction *old)
 
         VLOG_FATAL("sigaction(%s) failed (%s)",
                    signal_name(signum, namebuf, sizeof namebuf),
-                   strerror(errno));
-    }
-}
-
-void
-xpthread_sigmask(int how, const sigset_t *new, sigset_t *old)
-{
-    int error = pthread_sigmask(how, new, old);
-    if (error) {
-        VLOG_FATAL("pthread_sigmask failed (%s)", strerror(error));
+                   ovs_strerror(errno));
     }
 }