Add files from ESR's dev directory that weren't under version control

svn path=/trunk/; revision=3881

1 files changed, 70 insertions, 0 deletions

diff --git a/contrib/ip-up b/contrib/ip-up
new file mode 100644
index 00000000..542448d9
--- /dev/null
+++ b/contrib/ip-up
@@ -0,0 +1,70 @@
+From James.Stevens@jrcs.co.uk  Mon Aug 25 18:11:36 1997
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+Date: Mon, 18 Aug 1997 10:55:57 +0100
+From: James Stevens <James.Stevens@jrcs.co.uk>
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+To: "fetchmail-friends@locke.ccil.org" <fetchmail-friends@locke.ccil.org>
+Subject: A Little Tip...
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+
+Seeing Eric tip us that we could run a "fetchmail -quit" in the
+"ip-down" script, I thougt it would be neat to run a fetchmail
+collection in the "ip-up" script. That way mail is collected
+automatically every time I am connecting to Internet for whatever reason
+(I use "diald" to automatically manage my connection).
+
+However, it did not work. It hung right after the POP3 login. I tracked
+this down to the fact that the "pppd" masks a wide range of signals and
+this means a time-out does not kick in. As I run the "ip-up" script in
+"bash" this masking is inheritied by "fetchmail".
+
+So, I wrote a silly little "C" program that unmasks all signals and then
+runs a command of you choice (in this case fetchmail). This is the code
+for that program :-
+
+#include <stdio.h>
+#include <signal.h>
+
+main(int argc,char * argv[])
+{
+sigset_t set;
+
+    if (argc>1)
+        {
+        sigfillset(&set);
+        sigprocmask(SIG_UNBLOCK,&set,NULL);
+        system(argv[1]);
+        }
+}
+
+I call it "allsigs". So, now in my "ip-up" I have the line :-
+
+allsigs "fetchmail -f /etc/fetahmail"
+
+Note the quotes as "allsigs" only looks at argv[1]. I guess this
+unmasking of all signals could be added into "fetchmail" ?
+
+James
+