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https://github.com/samba-team/samba.git
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088906b064
- Create separate macros for lock and unlock so that it's easier to identify which request is being made. - Initialize *ponce in the SMB_THREAD_ONCE macro in the non-thread-safe case, rather than requiring each init function to determine if it's in the non-thread-safe case and manually initialize. Derrell
75 lines
2.4 KiB
C
75 lines
2.4 KiB
C
/*
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SMB/CIFS implementation.
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SMB thread interface internal macros.
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Copyright (C) Jeremy Allison, 2009.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _smb_threads_internal_h_
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#define _smb_threads_internal_h_
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#define SMB_THREAD_CREATE_MUTEX(name, lockvar) \
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(global_tfp ? global_tfp->create_mutex((name), &(lockvar), __location__) : 0)
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#define SMB_THREAD_DESTROY_MUTEX(plock) \
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do { \
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if (global_tfp) { \
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global_tfp->destroy_mutex(plock, __location__); \
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}; \
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} while (0)
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#define SMB_THREAD_LOCK_INTERNAL(plock, type, location) \
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(global_tfp ? global_tfp->lock_mutex((plock), (type), location) : 0)
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#define SMB_THREAD_LOCK(plock) \
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SMB_THREAD_LOCK_INTERNAL(plock, SMB_THREAD_LOCK, __location__)
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#define SMB_THREAD_UNLOCK(plock) \
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SMB_THREAD_LOCK_INTERNAL(plock, SMB_THREAD_UNLOCK, __location__)
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#define SMB_THREAD_ONCE(ponce, init_fn, pdata) \
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(global_tfp \
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? (! *(ponce) \
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? smb_thread_once((ponce), (init_fn), (pdata)) \
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: 0) \
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: ((init_fn(pdata)), *(ponce) = true, 1))
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#define SMB_THREAD_CREATE_TLS(keyname, key) \
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(global_tfp ? global_tfp->create_tls((keyname), &(key), __location__) : 0)
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#define SMB_THREAD_DESTROY_TLS(key) \
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do { \
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if (global_tfp) { \
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global_tfp->destroy_tls(&(key), __location__); \
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}; \
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} while (0)
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#define SMB_THREAD_SET_TLS(key, val) \
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(global_tfp ? global_tfp->set_tls((key),(val),__location__) : \
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((key) = (val), 0))
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#define SMB_THREAD_GET_TLS(key) \
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(global_tfp ? global_tfp->get_tls((key), __location__) : (key))
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/*
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* Global thread lock list.
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*/
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#define NUM_GLOBAL_LOCKS 1
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#define GLOBAL_LOCK(locknum) (global_lock_array ? global_lock_array[(locknum)] : NULL)
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#endif
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