diff options
author | Patrick J Volkerding <volkerdi@slackware.com> | 2013-11-04 17:08:47 +0000 |
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committer | Eric Hameleers <alien@slackware.com> | 2018-05-31 22:57:36 +0200 |
commit | 76fc4757ac91ac7947a01fb7b53dddf9a78a01d1 (patch) | |
tree | 9b98e6e193c7870cb27ac861394c1c4592850922 /source/l/glibc/glibc-2.15.nscd-race-fix.diff | |
parent | 9664bee729d487bcc0a0bc35859f8e13d5421c75 (diff) | |
download | current-76fc4757ac91ac7947a01fb7b53dddf9a78a01d1.tar.gz current-76fc4757ac91ac7947a01fb7b53dddf9a78a01d1.tar.xz |
Slackware 14.1slackware-14.1
Mon Nov 4 17:08:47 UTC 2013
Slackware 14.1 x86_64 stable is released!
It's been another interesting release cycle here at Slackware bringing
new features like support for UEFI machines, updated compilers and
development tools, the switch from MySQL to MariaDB, and many more
improvements throughout the system. Thanks to the team, the upstream
developers, the dedicated Slackware community, and everyone else who
pitched in to help make this release a reality.
The ISOs are off to be replicated, a 6 CD-ROM 32-bit set and a
dual-sided
32-bit/64-bit x86/x86_64 DVD. Please consider supporting the Slackware
project by picking up a copy from store.slackware.com. We're taking
pre-orders now, and offer a discount if you sign up for a subscription.
Have fun! :-)
Diffstat (limited to 'source/l/glibc/glibc-2.15.nscd-race-fix.diff')
-rw-r--r-- | source/l/glibc/glibc-2.15.nscd-race-fix.diff | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/source/l/glibc/glibc-2.15.nscd-race-fix.diff b/source/l/glibc/glibc-2.15.nscd-race-fix.diff deleted file mode 100644 index f1323570f..000000000 --- a/source/l/glibc/glibc-2.15.nscd-race-fix.diff +++ /dev/null @@ -1,47 +0,0 @@ ---- c/nscd/nscd_gethst_r.c 2012-01-01 05:16:32.000000000 -0700 -+++ c/nscd/nscd_gethst_r.c 2012-03-28 10:45:51.546600822 -0600 -@@ -101,9 +101,27 @@ libc_freeres_fn (hst_map_free) - uint32_t - __nscd_get_nl_timestamp (void) - { -+ uint32_t retval; - if (__nss_not_use_nscd_hosts != 0) - return 0; - -+ int cnt = 0; -+ /* __nscd_get_mapping can change hst_map_handle.mapped to NO_MAPPING. -+ However, __nscd_get_mapping assumes the prior value was not NO_MAPPING. -+ Thus we have to acquire the lock to prevent this thread from changing -+ hst_map_handle.mapped to NO_MAPPING while another thread is inside -+ __nscd_get_mapping. */ -+ while (__builtin_expect -+ (atomic_compare_and_exchange_val_acq (&__hst_map_handle.lock, -+ 1, 0) != 0, 0)) -+ { -+ // XXX Best number of rounds? -+ if (__builtin_expect (++cnt > 5, 0)) -+ return 0; -+ -+ atomic_delay (); -+ } -+ - struct mapped_database *map = __hst_map_handle.mapped; - - if (map == NULL -@@ -113,9 +131,14 @@ __nscd_get_nl_timestamp (void) - map = __nscd_get_mapping (GETFDHST, "hosts", &__hst_map_handle.mapped); - - if (map == NO_MAPPING) -- return 0; -+ retval = 0; -+ else -+ retval = map->head->extra_data[NSCD_HST_IDX_CONF_TIMESTAMP]; -+ -+ /* Release the lock. */ -+ __hst_map_handle.lock = 0; - -- return map->head->extra_data[NSCD_HST_IDX_CONF_TIMESTAMP]; -+ return retval; - } - - |