* NB. duplicate __progname in case it is an alias for argv[0]
* Otherwise it may get clobbered by setproctitle()
*/
-char *get_progname(char *argv0)
+char *ssh_get_progname(char *argv0)
{
#ifdef HAVE___PROGNAME
extern char *__progname;
# endif
}
#endif /* HAVE_TCSENDBREAK */
+
+mysig_t
+mysignal(int sig, mysig_t act)
+{
+#ifdef HAVE_SIGACTION
+ struct sigaction sa, osa;
+
+ if (sigaction(sig, NULL, &osa) == -1)
+ return (mysig_t) -1;
+ if (osa.sa_handler != act) {
+ memset(&sa, 0, sizeof(sa));
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = 0;
+#ifdef SA_INTERRUPT
+ if (sig == SIGALRM)
+ sa.sa_flags |= SA_INTERRUPT;
+#endif
+ sa.sa_handler = act;
+ if (sigaction(sig, &sa, NULL) == -1)
+ return (mysig_t) -1;
+ }
+ return (osa.sa_handler);
+#else
+ return (signal(sig, act));
+#endif
+}