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166bb3eac3
The next commit is going to introduce a new implementation of THREAD_GSCOPE_WAIT which needs to access the list of threads. Since it must be usable from the dynamic laoder, we have to move the symbols for the list of threads into the loader. Signed-off-by: Sergey Bugaev <bugaevc@gmail.com> Message-Id: <20210915171110.226187-2-bugaevc@gmail.com> Reviewed-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
65 lines
1.8 KiB
C
65 lines
1.8 KiB
C
/* pthread_key_delete. Hurd version.
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Copyright (C) 2002-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <pthread.h>
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#include <pt-internal.h>
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int
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__pthread_key_delete (pthread_key_t key)
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{
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error_t err = 0;
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__pthread_key_lock_ready ();
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__pthread_mutex_lock (&__pthread_key_lock);
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if (key < 0 || key >= __pthread_key_count
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|| __pthread_key_destructors[key] == PTHREAD_KEY_INVALID)
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err = EINVAL;
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else
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{
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int i;
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__pthread_key_destructors[key] = PTHREAD_KEY_INVALID;
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__pthread_key_invalid_count++;
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__libc_rwlock_rdlock (GL (dl_pthread_threads_lock));
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for (i = 0; i < GL (dl_pthread_num_threads); ++i)
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{
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struct __pthread *t;
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t = GL (dl_pthread_threads)[i];
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if (t == NULL)
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continue;
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/* Just remove the key, no need to care whether it was
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already there. */
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if (key < t->thread_specifics_size)
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t->thread_specifics[key] = 0;
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}
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__libc_rwlock_unlock (GL (dl_pthread_threads_lock));
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}
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__pthread_mutex_unlock (&__pthread_key_lock);
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return err;
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}
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weak_alias (__pthread_key_delete, pthread_key_delete)
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