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5d8d4fbbcb
The crude loop I wrote to come up with this changeset: find -L package/feeds/packages/ -name patches | \ sed 's/patches$/refresh/' | sort | xargs make Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
144 lines
3.2 KiB
Diff
144 lines
3.2 KiB
Diff
From 1ee70571e0cae37f155f59d4382bc7109138cf09 Mon Sep 17 00:00:00 2001
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From: Bart Van Assche <bvanassche@acm.org>
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Date: Sat, 15 Aug 2020 17:29:25 -0700
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Subject: [PATCH] apps/snmpnetstat: Stop using obsolete signal functions
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This was reported by Rosen Penev. See also
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https://github.com/net-snmp/net-snmp/pull/162.
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---
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apps/snmpnetstat/if.c | 111 +++++++++++-------------------------------
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1 file changed, 28 insertions(+), 83 deletions(-)
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mode change 100644 => 100755 apps/snmpnetstat/if.c
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--- a/apps/snmpnetstat/if.c
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+++ b/apps/snmpnetstat/if.c
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@@ -64,8 +64,6 @@ static char *rcsid = "$OpenBSD: if.c,v 1
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#define NO 0
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static void sidewaysintpr(u_int);
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-static void timerSet(int interval_seconds);
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-static void timerPause(void);
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struct _if_info {
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char name[128];
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@@ -92,6 +90,34 @@ static void timerPause(void);
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};
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+static struct timeval deadline;
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+
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+static void
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+timerSet(int interval_seconds)
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+{
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+ const struct timeval interval = { interval_seconds, 0 };
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+
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+ netsnmp_get_monotonic_clock(&deadline);
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+ NETSNMP_TIMERADD(&deadline, &interval, &deadline);
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+}
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+
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+static void
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+timerPause(void)
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+{
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+ struct timeval now, delta;
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+
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+ netsnmp_get_monotonic_clock(&now);
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+ NETSNMP_TIMERSUB(&deadline, &now, &delta);
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+ if (delta.tv_sec < 0)
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+ return;
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+#ifdef WIN32
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+ Sleep(delta.tv_sec * 1000 + delta.tv_usec / 1000);
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+#else
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+ if (select(0, NULL, NULL, NULL, &delta) < 0)
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+ snmp_perror("select");
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+#endif
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+}
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+
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/*
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* Retrieve the interface addressing information
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* XXX - This could also be extended to handle non-IP interfaces
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@@ -845,84 +871,3 @@ loop:
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goto loop;
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/*NOTREACHED*/
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}
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-
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-
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-/*
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- * timerSet sets or resets the timer to fire in "interval" seconds.
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- * timerPause waits only if the timer has not fired.
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- * timing precision is not considered important.
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- */
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-
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-#if (defined(WIN32) || defined(cygwin))
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-static int sav_int;
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-static time_t timezup;
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-static void
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-timerSet(int interval_seconds)
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-{
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- sav_int = interval_seconds;
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- timezup = time(0) + interval_seconds;
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-}
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-
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-/*
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- * you can do better than this !
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- */
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-static void
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-timerPause(void)
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-{
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- time_t now;
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- while (time(&now) < timezup)
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-#ifdef WIN32
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- Sleep(400);
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-#else
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- {
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- struct timeval tx;
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- tx.tv_sec = 0;
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- tx.tv_usec = 400 * 1000; /* 400 milliseconds */
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- select(0, 0, 0, 0, &tx);
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- }
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-#endif
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-}
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-
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-#else
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-
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-/*
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- * Called if an interval expires before sidewaysintpr has completed a loop.
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- * Sets a flag to not wait for the alarm.
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- */
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-RETSIGTYPE
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-catchalarm(int sig)
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-{
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- signalled = YES;
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-}
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-
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-static void
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-timerSet(int interval_seconds)
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-{
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-#ifdef HAVE_SIGSET
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- (void) sigset(SIGALRM, catchalarm);
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-#else
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- (void) signal(SIGALRM, catchalarm);
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-#endif
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- signalled = NO;
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- (void) alarm(interval_seconds);
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-}
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-
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-static void
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-timerPause(void)
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-{
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-#ifdef HAVE_SIGHOLD
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- sighold(SIGALRM);
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- if (!signalled) {
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- sigpause(SIGALRM);
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- }
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-#else
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- int oldmask;
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- oldmask = sigblock(sigmask(SIGALRM));
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- if (!signalled) {
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- sigpause(0);
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- }
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- sigsetmask(oldmask);
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-#endif
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-}
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-
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-#endif /* !WIN32 && !cygwin */
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