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Carlos O'Donell 042e1521c7 Fix semaphore destruction (bug 12674). 
This commit fixes semaphore destruction by either using 64b atomic
operations (where available), or by using two separate fields when only
32b atomic operations are available.  In the latter case, we keep a
conservative estimate of whether there are any waiting threads in one
bit of the field that counts the number of available tokens, thus
allowing sem_post to atomically both add a token and determine whether
it needs to call futex_wake.

See:
https://sourceware.org/ml/libc-alpha/2014-12/msg00155.html
 		2015-01-21 00:46:16 -05:00
..
i486 Fix semaphore destruction (bug 12674). 2015-01-21 00:46:16 -05:00
i586 Fix semaphore destruction (bug 12674). 2015-01-21 00:46:16 -05:00
i686 Fix semaphore destruction (bug 12674). 2015-01-21 00:46:16 -05:00
i786
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Implies
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Makefile
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Versions
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____longjmp_chk.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
_exit.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
accept4.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
alphasort64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
arch-fork.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
brk.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
c++-types.data
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call_fallocate.S
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call_pselect6.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
call_sync_file_range.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
clone.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
configure
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configure.ac
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dl-librecon.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-procinfo.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
dl-sysdep.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
epoll_pwait.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
fallocate.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
fallocate64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
fcntl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
fxstat.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
fxstatat.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
get_clockfreq.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
getcontext.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
getdents64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
getmsg.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
getrlimit64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
gettimeofday.c Add x86 32 bit vDSO time function support 2015-01-12 16:03:58 -02:00
glob64.c
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init-first.c Add x86 32 bit vDSO time function support 2015-01-12 16:03:58 -02:00
internal_accept4.S
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kernel-features.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
ld.abilist
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ldconfig.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
libBrokenLocale.abilist
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libanl.abilist
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libc.abilist
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libcrypt.abilist
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libdl.abilist
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libm.abilist
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libnsl.abilist
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libpthread.abilist
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libresolv.abilist
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librt.abilist
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libthread_db.abilist
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libutil.abilist
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localplt.data Add hidden __tls_get_addr/___tls_get_addr alias 2014-12-21 09:27:11 -08:00
lockf64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
lowlevellock-futex.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
lowlevellock.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
lxstat.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
makecontext.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
mmap.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
mmap64.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
msgctl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
olddirent.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
oldgetrlimit64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
posix_fadvise64.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
posix_fallocate.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
posix_fallocate64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
profil-counter.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
pselect.c
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putmsg.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
readdir64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
readdir64_r.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
readelflib.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
register-dump.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
scandir64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
semctl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
semtimedop.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setcontext.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setegid.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
seteuid.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setgid.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setgroups.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setregid.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setresgid.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setresuid.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setreuid.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
setuid.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
shlib-versions Clean up gnu/lib-names.h generation (bug 14171). 2014-09-26 17:33:04 +00:00
shmctl.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sigaction.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sigcontextinfo.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
smp.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
socket.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
swapcontext.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sync_file_range.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
syscall.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
syscalls.list Remove __libc_waitpid function name. 2014-11-07 01:27:16 +00:00
sysconf.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sysdep-cancel.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sysdep.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
sysdep.h Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
time.c Add x86 32 bit vDSO time function support 2015-01-12 16:03:58 -02:00
ucontext_i.sym
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versionsort64.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
vfork.S Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00
xstat.c Update copyright dates with scripts/update-copyrights. 2015-01-02 16:29:47 +00:00