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nptl: Move pthread_once and __pthread_once into libc

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And also the fork generation counter, __fork_generation.  This
eliminates the need for __fork_generation_pointer.

call_once remains in libpthread and calls the exported __pthread_once
symbol.

pthread_once and __pthread_once have been moved using
scripts/move-symbol-to-libc.py.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer
2021-04-21 19:49:50 +02:00
parent 4647ce82c7
commit 3fec7f18bf
70 changed files with 152 additions and 94 deletions
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4
nptl/nptl-init.c
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@@ -87,7 +87,6 @@ static const struct pthread_functions pthread_functions =
.ptr_pthread_mutex_unlock = __pthread_mutex_unlock,
.ptr___pthread_setcancelstate = __pthread_setcancelstate,
.ptr_pthread_setcanceltype = __pthread_setcanceltype,
.ptr___pthread_once = __pthread_once,
.ptr___pthread_rwlock_rdlock = __pthread_rwlock_rdlock,
.ptr___pthread_rwlock_wrlock = __pthread_rwlock_wrlock,
.ptr___pthread_rwlock_unlock = __pthread_rwlock_unlock,
@@ -333,8 +332,7 @@ __pthread_initialize_minimal_internal (void)
#ifndef TLS_MULTIPLE_THREADS_IN_TCB
__libc_multiple_threads_ptr =
#endif
__libc_pthread_init (&__fork_generation, __reclaim_stacks,
ptr_pthread_functions);
__libc_pthread_init (__reclaim_stacks, ptr_pthread_functions);
#if HAVE_TUNABLES
__pthread_tunables_init ();