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-rw-r--r--libguile/mit-pthreads.h190
1 files changed, 0 insertions, 190 deletions
diff --git a/libguile/mit-pthreads.h b/libguile/mit-pthreads.h
index ecd21cdd9..e69de29bb 100644
--- a/libguile/mit-pthreads.h
+++ b/libguile/mit-pthreads.h
@@ -1,190 +0,0 @@
-/* classes: h_files */
-
-#ifndef MIT_PTHREADSH
-#define MIT_PTHREADSH
-
-/* Copyright (C) 1996 Free Software Foundation, Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; see the file COPYING. If not, write to
- * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
- * Boston, MA 02111-1307 USA
- *
- * As a special exception, the Free Software Foundation gives permission
- * for additional uses of the text contained in its release of GUILE.
- *
- * The exception is that, if you link the GUILE library with other files
- * to produce an executable, this does not by itself cause the
- * resulting executable to be covered by the GNU General Public License.
- * Your use of that executable is in no way restricted on account of
- * linking the GUILE library code into it.
- *
- * This exception does not however invalidate any other reasons why
- * the executable file might be covered by the GNU General Public License.
- *
- * This exception applies only to the code released by the
- * Free Software Foundation under the name GUILE. If you copy
- * code from other Free Software Foundation releases into a copy of
- * GUILE, as the General Public License permits, the exception does
- * not apply to the code that you add in this way. To avoid misleading
- * anyone as to the status of such modified files, you must delete
- * this exception notice from them.
- *
- * If you write modifications of your own for GUILE, it is your choice
- * whether to permit this exception to apply to your modifications.
- * If you do not wish that, delete this exception notice. */
-
-/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
- gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
-
-
-#include "libguile/__scm.h"
-
-#define PTHREAD_KERNEL
-#include <pthread.h>
-
-/* Identify where the stack pointer can be found in a jmpbuf.
- */
-
-/* Solaris 2.4 */
-#if defined(__sparc_setjmp_h)
-# define THREAD_SP machdep_data.machdep_state[2]
-#endif
-
-/* Solaris 2.5 */
-#if defined(__sparc)
-#ifndef THREAD_SP
-# define THREAD_SP machdep_data.machdep_state[2]
-#endif
-#endif
-
-#if defined(linux)
-# define THREAD_SP machdep_data.machdep_state[0].__sp
-#endif
-
-#if defined(sgi)
-# define THREAD_SP machdep_data.machdep_state[JB_SP]
-#endif
-
-/* ...define THREAD_SP for your architecture here...
- */
-
-#if !defined(THREAD_SP)
---> where is your stack pointer?
-#endif
-
-
-
-/* Boost the priority of this thread so that it is the only
- one running. PTHREAD_MAX_PRIORITY is reserved for this
- purpose */
-
-#define SCM_THREAD_CRITICAL_SECTION_START \
- struct sched_param param; \
- int previous_prio; \
- int policy; \
- pthread_getschedparam(pthread_self(), &policy, &param); \
- previous_prio = param.prio; \
- param.prio = PTHREAD_MAX_PRIORITY; \
- pthread_setschedparam(pthread_self(), policy, &param)
-
-#define SCM_THREAD_CRITICAL_SECTION_END \
- param.prio = previous_prio; \
- pthread_setschedparam(pthread_self(), policy, &param)
-
-
-
-#if 1
-
-#define SCM_NO_CRITICAL_SECTION_OWNER 0
-
-#define SCM_THREAD_DEFER pthread_kernel_lock++
-#define SCM_THREAD_ALLOW pthread_kernel_lock--
-
-#define SCM_THREAD_REDEFER pthread_kernel_lock++
-#define SCM_THREAD_REALLOW_1 pthread_kernel_lock--
-#define SCM_THREAD_REALLOW_2 \
-do { \
- scm_critical_section_owner = SCM_NO_CRITICAL_SECTION_OWNER; \
- pthread_mutex_unlock(&scm_critical_section_mutex); \
-} while (0)
-
-#else
-
-#define SCM_NO_CRITICAL_SECTION_OWNER 0
-
-#define SCM_THREAD_DEFER \
-do { \
- pthread_mutex_lock (&scm_critical_section_mutex); \
- scm_critical_section_owner = pthread_self(); \
-} while (0)
-
-#define SCM_THREAD_ALLOW \
-do { \
- scm_critical_section_owner = SCM_NO_CRITICAL_SECTION_OWNER; \
- pthread_mutex_unlock (&scm_critical_section_mutex); \
-} while (0)
-
-#define SCM_THREAD_REDEFER \
-do { \
- if ((scm_critical_section_owner != pthread_self()) || \
- (scm_critical_section_owner == SCM_NO_CRITICAL_SECTION_OWNER)) \
- { \
- pthread_mutex_lock(&scm_critical_section_mutex); \
- scm_critical_section_owner = pthread_self(); \
- } \
-} while (0)
-
-#define SCM_THREAD_REALLOW_1
-#define SCM_THREAD_REALLOW_2 \
-do { \
- scm_critical_section_owner = SCM_NO_CRITICAL_SECTION_OWNER; \
- pthread_mutex_unlock (&scm_critical_section_mutex); \
-} while (0)
-
-#endif
-
-#define SCM_THREAD_SWITCHING_CODE
-
-#define SCM_THREAD_LOCAL_DATA (pthread_self () -> attr.arg_attr)
-#define SCM_SET_THREAD_LOCAL_DATA(new_root) \
-do { \
- pthread_t t = pthread_self (); \
- void *r = (new_root); \
- pthread_attr_setcleanup (&t -> attr, NULL, r); \
- pthreads_find_info (t) -> root = r; \
-} while (0)
-
-
-
-
-void scm_threads_init_mit_pthreads ();
-
-typedef struct QUEUE {
- struct QUEUE *flink, *blink;
-} queue;
-
-extern pthread_mutex_t scm_critical_section_mutex;
-extern pthread_t scm_critical_section_owner;
-
-/* Key to thread specific data */
-extern pthread_key_t info_key;
-
-struct scm_pthread_create_info_type
-{
- SCM thunk;
- SCM error;
- SCM *prots;
-} scm_pthread_create_info;
-
-#endif /* MIT_PTHREADSH */