diff options
Diffstat (limited to 'usr.sbin/ppp/sig.c')
| -rw-r--r-- | usr.sbin/ppp/sig.c | 34 |
1 files changed, 23 insertions, 11 deletions
diff --git a/usr.sbin/ppp/sig.c b/usr.sbin/ppp/sig.c index b79e7e9..1a771ae 100644 --- a/usr.sbin/ppp/sig.c +++ b/usr.sbin/ppp/sig.c @@ -23,7 +23,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: sig.c,v 1.11.2.5 1998/05/01 19:25:56 brian Exp $ + * $Id: sig.c,v 1.13 1998/05/21 21:48:20 brian Exp $ */ #include <sys/types.h> @@ -34,6 +34,7 @@ #include "sig.h" static int caused[NSIG]; /* An array of pending signals */ +static int necessary; /* Anything set ? */ static sig_type handler[NSIG]; /* all start at SIG_DFL */ @@ -43,6 +44,7 @@ static void signal_recorder(int sig) { caused[sig - 1]++; + necessary = 1; } @@ -77,19 +79,29 @@ sig_signal(int sig, sig_type fn) /* Call the handlers for any pending signals */ -void +int sig_Handle() { int sig; int got; + int result; - do { - got = 0; - for (sig = 0; sig < NSIG; sig++) - if (caused[sig]) { - caused[sig]--; - got++; - (*handler[sig]) (sig + 1); - } - } while (got); + result = 0; + if (necessary) { + /* We've *probably* got something in `caused' set */ + necessary = 0; + /* `necessary' might go back to 1 while we're in here.... */ + do { + got = 0; + for (sig = 0; sig < NSIG; sig++) + if (caused[sig]) { + caused[sig]--; + got++; + result++; + (*handler[sig])(sig + 1); + } + } while (got); + } + + return result; } |
