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Updated, but still totally unusable.

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This commit is contained in:
Marius Vollmer 2002-10-30 10:41:51 +00:00
parent d703aba57a
commit cf8ea1a3d1
2 changed files with 526 additions and 538 deletions
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1010
libguile/coop-pthreads.c
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54
libguile/coop-pthreads.h
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@ -63,12 +63,8 @@
#define SCM_THREAD_SWITCH_COUNT 50
extern pthread_t guile_thread; /* for debugging */
#define SCM_THREAD_SWITCHING_CODE \
do { \
if (guile_thread != pthread_self ()) \
abort (); \
scm_switch_counter--; \
if (scm_switch_counter == 0) \
{ \
@ -79,56 +75,6 @@ do { \
SCM_API int scm_switch_counter;
struct scm_copt_thread;
typedef struct scm_copt_thread {
/* A condition variable for sleeping on.
*/
pthread_cond_t block;
scm_root_state *root;
SCM handle;
pthread_t pthread;
SCM result;
} scm_copt_thread;
/* We implement our own mutex type since we want them to be 'fair',
we want to do fancy things while waiting for them (like running
asyncs) and we want to support waiting on many things at once.
*/
typedef struct scm_copt_mutex {
/* the mutex for this data structure. */
pthread_mutex_t mutex;
/* the thread currently owning the mutex, or NULL. */
scm_copt_thread *owner;
/* how much the owner owns us. */
int level;
/* the threads waiting for this mutex. */
SCM waiting;
} scm_copt_mutex;
typedef scm_copt_mutex scm_t_mutex;
SCM_API void scm_copt_mutex_init (scm_copt_mutex *m);
SCM_API void scm_copt_mutex_lock (scm_copt_mutex *m);
SCM_API void scm_copt_mutex_unlock (scm_copt_mutex *m);
SCM_API void scm_copt_mutex_destroy (scm_copt_mutex *m);
#define scm_mutex_init scm_copt_mutex_init
#define scm_mutex_lock scm_copt_mutex_lock
#define scm_mutex_unlock scm_copt_mutex_unlock
#define scm_mutex_destroy scm_copt_mutex_destroy
typedef pthread_cond_t scm_t_cond;
#define scm_cond_init(c) pthread_cond_init ((c), NULL)
#define scm_cond_wait pthread_cond_wait
#define scm_cond_signal pthread_cond_signal
#define scm_cond_broadcast pthread_cond_broadcast
#define scm_cond_destroy pthread_cond_destroy
#define SCM_THREAD_LOCAL_DATA (scm_copt_thread_data ())
#define SCM_SET_THREAD_LOCAL_DATA(ptr) (scm_copt_set_thread_data (ptr))