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* root.h (scm_root, scm_set_root): Decouple thread support details

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by introducing the selector SCM_THREAD_LOCAL_DATA and the mutator
SCM_SET_THREAD_LOCAL_DATA.
This commit is contained in:
Mikael Djurfeldt 1996-10-03 11:37:51 +00:00
parent 2fab3faadb
commit f15347a0e0
1 changed files with 2 additions and 18 deletions
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20
libguile/root.h
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@ -130,27 +130,11 @@ typedef struct scm_root_state
#define scm_system_transformer (scm_root->system_transformer)
#ifdef USE_THREADS
#ifdef USE_MIT_PTHREADS
#define scm_root ((scm_root_state *) pthread_self()->attr.arg_attr)
#define scm_set_root(new_root) (pthread_self()->attr.arg_attr = (new_root))
#endif
#ifdef USE_COOP_THREADS
#define scm_root ((scm_root_state *) coop_global_curr->data)
#define scm_set_root(new_root) (coop_global_curr->data = (new_root))
#endif
#ifdef USE_FSU_PTHREADS
#define scm_root ((scm_root_state *) pthread_self()->prots)
#define scm_set_root(new_root) (pthread_self()->prots = (new_root))
#endif
#define scm_root ((scm_root_state *) SCM_THREAD_LOCAL_DATA)
#define scm_set_root(new_root) SCM_SET_THREAD_LOCAL_DATA (new_root)
#else /* USE_THREADS */
extern struct scm_root_state *scm_root;
#define scm_set_root(new_root) (scm_root = (new_root))
#endif /* USE_THREADS */