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authorFumitoshi UKAI <ukai@debian.or.jp>2003-03-09 19:43:05 +0000
committerFumitoshi UKAI <ukai@debian.or.jp>2003-03-09 19:43:05 +0000
commit1dff73dfd6accb9bae971dd0f1ce15a182b0f75b (patch)
tree90442e8c55bb3e5d8aade44a20152d2d8e297608 /gc/solaris_pthreads.c
parentautoconficate (diff)
downloadw3m-1dff73dfd6accb9bae971dd0f1ce15a182b0f75b.tar.gz
w3m-1dff73dfd6accb9bae971dd0f1ce15a182b0f75b.zip
remove gc
Diffstat (limited to 'gc/solaris_pthreads.c')
-rw-r--r--gc/solaris_pthreads.c178
1 files changed, 0 insertions, 178 deletions
diff --git a/gc/solaris_pthreads.c b/gc/solaris_pthreads.c
deleted file mode 100644
index bae7719..0000000
--- a/gc/solaris_pthreads.c
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * Copyright (c) 1994 by Xerox Corporation. All rights reserved.
- *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED. ANY USE IS AT YOUR OWN RISK.
- *
- * Permission is hereby granted to use or copy this program
- * for any purpose, provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is granted,
- * provided the above notices are retained, and a notice that the code was
- * modified is included with the above copyright notice.
- */
-/*
- * Support code for Solaris threads. Provides functionality we wish Sun
- * had provided. Relies on some information we probably shouldn't rely on.
- * Modified by Peter C. for Solaris Posix Threads.
- */
-
-# if defined(GC_SOLARIS_PTHREADS)
-# include "private/gc_priv.h"
-# include <pthread.h>
-# include <thread.h>
-# include <signal.h>
-# include <fcntl.h>
-# include <sys/types.h>
-# include <sys/mman.h>
-# include <sys/time.h>
-# include <sys/resource.h>
-# include <sys/stat.h>
-# include <sys/syscall.h>
-# include <sys/procfs.h>
-# include <sys/lwp.h>
-# include <sys/reg.h>
-# define _CLASSIC_XOPEN_TYPES
-# include <unistd.h>
-# include <errno.h>
-# include "private/solaris_threads.h"
-# include <stdio.h>
-
-#undef pthread_join
-#undef pthread_create
-
-pthread_cond_t GC_prom_join_cv; /* Broadcast when any thread terminates */
-pthread_cond_t GC_create_cv; /* Signalled when a new undetached */
- /* thread starts. */
-
-extern GC_bool GC_multithreaded;
-
-/* We use the allocation lock to protect thread-related data structures. */
-
-/* We stop the world using /proc primitives. This makes some */
-/* minimal assumptions about the threads implementation. */
-/* We don't play by the rules, since the rules make this */
-/* impossible (as of Solaris 2.3). Also note that as of */
-/* Solaris 2.3 the various thread and lwp suspension */
-/* primitives failed to stop threads by the time the request */
-/* is completed. */
-
-
-
-int GC_pthread_join(pthread_t wait_for, void **status)
-{
- return GC_thr_join((thread_t)wait_for, NULL, status);
-}
-
-
-int
-GC_pthread_create(pthread_t *new_thread,
- const pthread_attr_t *attr_in,
- void * (*thread_execp)(void *), void *arg)
-{
- int result;
- GC_thread t;
- pthread_t my_new_thread;
- pthread_attr_t attr;
- word my_flags = 0;
- int flag;
- void * stack = 0;
- size_t stack_size = 0;
- int n;
- struct sched_param schedparam;
-
- (void)pthread_attr_init(&attr);
- if (attr_in != 0) {
- (void)pthread_attr_getstacksize(attr_in, &stack_size);
- (void)pthread_attr_getstackaddr(attr_in, &stack);
- }
-
- LOCK();
- if (!GC_is_initialized) {
- GC_init_inner();
- }
- GC_multithreaded++;
-
- if (stack == 0) {
- if (stack_size == 0)
- stack_size = 1048576;
- /* ^-- 1 MB (this was GC_min_stack_sz, but that
- * violates the pthread_create documentation which
- * says the default value if none is supplied is
- * 1MB) */
- else
- stack_size += thr_min_stack();
-
- stack = (void *)GC_stack_alloc(&stack_size);
- if (stack == 0) {
- GC_multithreaded--;
- UNLOCK();
- errno = ENOMEM;
- return -1;
- }
- } else {
- my_flags |= CLIENT_OWNS_STACK;
- }
- (void)pthread_attr_setstacksize(&attr, stack_size);
- (void)pthread_attr_setstackaddr(&attr, stack);
- if (attr_in != 0) {
- (void)pthread_attr_getscope(attr_in, &n);
- (void)pthread_attr_setscope(&attr, n);
- (void)pthread_attr_getschedparam(attr_in, &schedparam);
- (void)pthread_attr_setschedparam(&attr, &schedparam);
- (void)pthread_attr_getschedpolicy(attr_in, &n);
- (void)pthread_attr_setschedpolicy(&attr, n);
- (void)pthread_attr_getinheritsched(attr_in, &n);
- (void)pthread_attr_setinheritsched(&attr, n);
-
- (void)pthread_attr_getdetachstate(attr_in, &flag);
- if (flag == PTHREAD_CREATE_DETACHED) {
- my_flags |= DETACHED;
- }
- (void)pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_JOINABLE);
- }
- /*
- * thr_create can call malloc(), which if redirected will
- * attempt to acquire the allocation lock.
- * Unlock here to prevent deadlock.
- */
-
-
-#if 0
-#ifdef I386
- UNLOCK();
-#endif
-#endif
- result =
- pthread_create(&my_new_thread, &attr, thread_execp, arg);
-#if 0
-#ifdef I386
- LOCK();
-#endif
-#endif
- if (result == 0) {
- t = GC_new_thread(my_new_thread);
- t -> flags = my_flags;
- if (!(my_flags & DETACHED)) cond_init(&(t->join_cv), USYNC_THREAD, 0);
- t -> stack = stack;
- t -> stack_size = stack_size;
- if (new_thread != 0) *new_thread = my_new_thread;
- pthread_cond_signal(&GC_create_cv);
- } else {
- if (!(my_flags & CLIENT_OWNS_STACK)) {
- GC_stack_free(stack, stack_size);
- }
- GC_multithreaded--;
- }
- UNLOCK();
- pthread_attr_destroy(&attr);
- return(result);
-}
-
-# else
-
-#ifndef LINT
- int GC_no_sunOS_pthreads;
-#endif
-
-# endif /* GC_SOLARIS_PTHREADS */
-