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Code Activity

* threads.c (scm_thread): Removed filed joining_threads.

Browse source 
(thread_print): Print thread number as well as address of thread
structure.
(scm_join_thread): Bugfix.
(scm_lock_mutex, scm_try_mutex, scm_unlock_mutex,
scm_timed_wait_condition_variable, scm_signal_condition_variable,
scm_broadcast_condition_variable): Use the low-level API.
(scm_all_threads): Return copy of thread list (to prevent
unintended destruction).
(scm_threads_prehistory): Initialize heap_mutex of fake thread.
This commit is contained in:
Mikael Djurfeldt 2002-12-16 15:24:13 +00:00
parent 1b92fb6b4d
commit 0b6843b1eb
5 changed files with 196 additions and 38 deletions
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52
libguile/pthread-threads.h
View file

@ -52,6 +52,7 @@
/* This is an interface between Guile and the pthreads thread package. */
#include <pthread.h>
#include <sched.h>
/* MDJ 021209 <djurfeldt@nada.kth.se>:
The separation of the plugin interface and the low-level C API
@ -65,26 +66,53 @@
#define scm_i_plugin_thread_join pthread_join
#define scm_i_plugin_thread_detach pthread_detach
#define scm_i_plugin_thread_self pthread_self
#define scm_i_plugin_thread_self pthread_self
#define scm_i_plugin_thread_yield sched_yield
#define scm_t_mutex pthread_mutex_t
/* Size is checked in scm_init_pthread_threads */
#ifdef SCM_DEBUG_THREADS
#define SCM_MUTEX_MAXSIZE (9 * sizeof (long))
#else
#define SCM_MUTEX_MAXSIZE (6 * sizeof (long))
#endif
typedef struct { char _[SCM_MUTEX_MAXSIZE]; } scm_t_mutex;
#define scm_t_mutexattr pthread_mutexattr_t
extern scm_t_mutexattr scm_i_plugin_mutex; /* The "fast" mutex. */
#define scm_i_plugin_mutex_init pthread_mutex_init
#define scm_i_plugin_mutex_destroy pthread_mutex_destroy
#define scm_i_plugin_mutex_lock pthread_mutex_lock
#define scm_i_plugin_mutex_trylock pthread_mutex_trylock
#define scm_i_plugin_mutex_unlock pthread_mutex_unlock
#ifdef SCM_DEBUG_THREADS
int scm_i_plugin_mutex_init (scm_t_mutex *, const scm_t_mutexattr *);
int scm_i_plugin_mutex_lock (scm_t_mutex *);
int scm_i_plugin_mutex_unlock (scm_t_mutex *);
#else
#define scm_i_plugin_mutex_init(m,a) \
pthread_mutex_init ((pthread_mutex_t *) (m), (a))
#define scm_i_plugin_mutex_lock(m) \
pthread_mutex_lock ((pthread_mutex_t *) (m))
#define scm_i_plugin_mutex_unlock(m) \
pthread_mutex_unlock ((pthread_mutex_t *) (m))
#endif
#define scm_i_plugin_mutex_destroy(m) \
pthread_mutex_destroy ((pthread_mutex_t *) (m))
#define scm_i_plugin_mutex_trylock(m) \
pthread_mutex_trylock ((pthread_mutex_t *) (m))
/* Size is checked in scm_init_pthread_threads */
#define SCM_REC_MUTEX_MAXSIZE (8 * sizeof (long))
#ifdef SCM_DEBUG_THREADS
#define SCM_REC_MUTEX_MAXSIZE (SCM_MUTEX_MAXSIZE + 3 * sizeof (long))
#else
#ifdef SCM_MUTEX_RECURSIVE
#define SCM_REC_MUTEX_MAXSIZE SCM_MUTEX_MAXSIZE
#else
#define SCM_REC_MUTEX_MAXSIZE (SCM_MUTEX_MAXSIZE + 2 * sizeof (long))
#endif
#endif
typedef struct { char _[SCM_REC_MUTEX_MAXSIZE]; } scm_t_rec_mutex;
extern scm_t_mutexattr scm_i_plugin_rec_mutex;
#ifdef SCM_MUTEX_RECURSIVE /* pthreads has recursive mutexes! */
#if defined (SCM_MUTEX_RECURSIVE) && !defined (SCM_DEBUG_THREADS)
/* pthreads has recursive mutexes! */
#define scm_i_plugin_rec_mutex_init(m,a) \
pthread_mutex_init ((pthread_mutex_t *) (m), (a))
#define scm_i_plugin_rec_mutex_destroy(m) \
@ -107,8 +135,10 @@ int scm_i_plugin_rec_mutex_unlock (scm_t_rec_mutex *);
#define scm_i_plugin_cond_init pthread_cond_init
#define scm_i_plugin_cond_destroy pthread_cond_destroy
#define scm_i_plugin_cond_wait pthread_cond_wait
#define scm_i_plugin_cond_timedwait pthread_cond_timedwait
#define scm_i_plugin_cond_wait(c, m) \
pthread_cond_wait ((c), (pthread_mutex_t *) (m))
#define scm_i_plugin_cond_timedwait(c, m, t) \
pthread_cond_timedwait ((c), (pthread_mutex_t *) (m), (t))
#define scm_i_plugin_cond_signal pthread_cond_signal
#define scm_i_plugin_cond_broadcast pthread_cond_broadcast