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82 lines
2.3 KiB
82 lines
2.3 KiB
18 years ago
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# --- T2-COPYRIGHT-NOTE-BEGIN ---
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# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
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#
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# T2 SDE: package/.../util-linux/sak_blocking.patch
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# Copyright (C) 2004 - 2006 The T2 SDE Project
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# Copyright (C) 1998 - 2003 Clifford Wolf
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#
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# More information can be found in the files COPYING and README.
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#
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# This patch file is dual-licensed. It is available under the license the
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# patched project is licensed under, as long as it is an OpenSource license
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# as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
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# of the GNU General Public License as published by the Free Software
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# Foundation; either version 2 of the License, or (at your option) any later
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# version.
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# --- T2-COPYRIGHT-NOTE-END ---
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--- ./login-utils/agetty.c.orig Sun Mar 4 21:43:50 2001
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+++ ./login-utils/agetty.c Wed Mar 21 10:17:47 2001
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@@ -231,10 +231,14 @@
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int bcode P_((char *s));
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void usage P_((void));
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void error P_((const char *, ...));
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+void sak_blocking P_((int signr));
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#undef P_
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/* The following is used for understandable diagnostics. */
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+/* message file for SAK blocking */
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+char *sakmsg="/dev/null";
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+
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char *progname;
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/* Fake hostname for ut_host specified on command line. */
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@@ -393,7 +397,7 @@
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extern int optind; /* getopt */
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int c;
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- while (isascii(c = getopt(argc, argv, "I:LH:f:hil:mt:wn"))) {
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+ while (isascii(c = getopt(argc, argv, "I:LH:f:hil:mt:s:wn"))) {
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switch (c) {
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case 'I':
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if (!(op->initstring = malloc(strlen(optarg)))) {
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@@ -464,6 +468,10 @@
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if ((op->timeout = atoi(optarg)) <= 0)
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error(_("bad timeout value: %s"), optarg);
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break;
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+ case 's': /* SAK blocking after time out */
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+ signal(SIGALRM,sak_blocking);
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+ sakmsg = optarg;
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+ break;
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case 'w':
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op->flags |= F_WAITCRLF;
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break;
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@@ -1251,4 +1259,26 @@
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#endif
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(void) sleep((unsigned) 10); /* be kind to init(8) */
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exit(1);
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+}
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+
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+/* signal handler for alarm() timeout when doing SAK blocking */
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+
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+void sak_blocking(int signr) {
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+ char buf[512];
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+ int fd,rc,i;
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+
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+ if (signr != SIGALRM) return;
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+ alarm(0);
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+
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+ /* print the SAK Message */
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+ fd=open(sakmsg,O_RDONLY);
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+ if (fd >= 0) {
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+ while ( (rc=read(fd,buf,512)) > 0 )
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+ write(1,buf,rc);
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+ close(fd);
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+ }
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+
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+ /* lock */
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+ for (i=1; i<=30; i++) signal(i,SIG_IGN);
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+ while (1) sleep(600);
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}
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