clfs-1.2
clfs-2.1
clfs-3.0.0-systemd
clfs-3.0.0-sysvinit
systemd
sysvinit
Last change
on this file since cff82f5 was b17b911f, checked in by jim <clfs@…>, 15 years ago |
Updated eglibc fetch script.
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Property mode
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100644
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File size:
967 bytes
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[b17b911f] | 1 | if /etc/resolv.conf is updated, then make sure applications
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| 2 | already running get the updated information.
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| 3 |
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| 4 | http://bugs.gentoo.org/177416
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| 5 |
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| 6 | --- libc/resolv/res_libc.c
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| 7 | +++ libc/resolv/res_libc.c
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| 8 | @@ -22,6 +22,7 @@
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| 9 | #include <arpa/nameser.h>
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| 10 | #include <resolv.h>
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| 11 | #include <bits/libc-lock.h>
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| 12 | +#include <sys/stat.h>
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| 13 |
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| 14 |
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| 15 | /* The following bit is copied from res_data.c (where it is #ifdef'ed
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| 16 | @@ -101,6 +102,20 @@
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| 17 | __res_maybe_init (res_state resp, int preinit)
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| 18 | {
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| 19 | if (resp->options & RES_INIT) {
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| 20 | + static time_t last_mtime, last_check;
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| 21 | + time_t now;
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| 22 | + struct stat statbuf;
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| 23 | +
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| 24 | + time (&now);
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| 25 | + if (now != last_check) {
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| 26 | + last_check = now;
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| 27 | + if (stat (_PATH_RESCONF, &statbuf) == 0 && last_mtime != statbuf.st_mtime) {
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| 28 | + last_mtime = statbuf.st_mtime;
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| 29 | + atomicinclock (lock);
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| 30 | + atomicinc (__res_initstamp);
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| 31 | + atomicincunlock (lock);
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| 32 | + }
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| 33 | + }
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| 34 | if (__res_initstamp != resp->_u._ext.initstamp) {
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| 35 | if (resp->nscount > 0) {
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| 36 | __res_nclose (resp);
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| 37 |
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