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Add mutex locking functions that also block asyncs.

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* libguile/async.h (scm_i_pthread_mutex_lock_block_asyncs,
  scm_i_pthread_mutex_unlock_unblock_asyncs): New macros.

* libguile/threads.c (do_unlock_with_asyncs): New static helper.
  (scm_i_dynwind_pthread_mutex_lock_block_asyncs): New function.

* libguile/threads.h (scm_i_dynwind_pthread_mutex_lock_block_asyncs):
  Add prototype.
This commit is contained in:
Mark H Weaver 2013-11-17 04:00:29 -05:00
parent 1e42832af0
commit e676a4c342
3 changed files with 33 additions and 0 deletions
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libguile/threads.h
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@ -143,6 +143,7 @@ SCM_INTERNAL void scm_init_threads (void);
SCM_INTERNAL void scm_init_thread_procs (void);
SCM_INTERNAL void scm_init_threads_default_dynamic_state (void);
SCM_INTERNAL void scm_i_dynwind_pthread_mutex_lock_block_asyncs (scm_i_pthread_mutex_t *mutex);
#define SCM_THREAD_SWITCHING_CODE \
do { } while (0)