Adding upstream version 1.7.2.upstream/1.7.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 334 insertions, 0 deletions

diff --git a/threadproc/unix/thread.c b/threadproc/unix/thread.c
new file mode 100644
index 0000000..6d060be
--- /dev/null
+++ b/threadproc/unix/thread.c
@@ -0,0 +1,334 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "apr.h"
+#include "apr_portable.h"
+#include "apr_arch_threadproc.h"
+
+#if APR_HAS_THREADS
+
+#if APR_HAVE_PTHREAD_H
+
+/* Destroy the threadattr object */
+static apr_status_t threadattr_cleanup(void *data)
+{
+    apr_threadattr_t *attr = data;
+    apr_status_t rv;
+
+    rv = pthread_attr_destroy(&attr->attr);
+#ifdef HAVE_ZOS_PTHREADS
+    if (rv) {
+        rv = errno;
+    }
+#endif
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_create(apr_threadattr_t **new,
+                                                apr_pool_t *pool)
+{
+    apr_status_t stat;
+
+    (*new) = apr_palloc(pool, sizeof(apr_threadattr_t));
+    (*new)->pool = pool;
+    stat = pthread_attr_init(&(*new)->attr);
+
+    if (stat == 0) {
+        apr_pool_cleanup_register(pool, *new, threadattr_cleanup,
+                                  apr_pool_cleanup_null);
+        return APR_SUCCESS;
+    }
+#ifdef HAVE_ZOS_PTHREADS
+    stat = errno;
+#endif
+
+    return stat;
+}
+
+#if defined(PTHREAD_CREATE_DETACHED)
+#define DETACH_ARG(v) ((v) ? PTHREAD_CREATE_DETACHED : PTHREAD_CREATE_JOINABLE)
+#else
+#define DETACH_ARG(v) ((v) ? 1 : 0)
+#endif
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_set(apr_threadattr_t *attr,
+                                                    apr_int32_t on)
+{
+    apr_status_t stat;
+#ifdef HAVE_ZOS_PTHREADS
+    int arg = DETACH_ARG(on);
+
+    if ((stat = pthread_attr_setdetachstate(&attr->attr, &arg)) == 0) {
+#else
+    if ((stat = pthread_attr_setdetachstate(&attr->attr, 
+                                            DETACH_ARG(on))) == 0) {
+#endif
+        return APR_SUCCESS;
+    }
+    else {
+#ifdef HAVE_ZOS_PTHREADS
+        stat = errno;
+#endif
+
+        return stat;
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_detach_get(apr_threadattr_t *attr)
+{
+    int state;
+
+#ifdef PTHREAD_ATTR_GETDETACHSTATE_TAKES_ONE_ARG
+    state = pthread_attr_getdetachstate(&attr->attr);
+#else
+    pthread_attr_getdetachstate(&attr->attr, &state);
+#endif
+    if (state == DETACH_ARG(1))
+        return APR_DETACH;
+    return APR_NOTDETACH;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_stacksize_set(apr_threadattr_t *attr,
+                                                       apr_size_t stacksize)
+{
+    int stat;
+
+    stat = pthread_attr_setstacksize(&attr->attr, stacksize);
+    if (stat == 0) {
+        return APR_SUCCESS;
+    }
+#ifdef HAVE_ZOS_PTHREADS
+    stat = errno;
+#endif
+
+    return stat;
+}
+
+APR_DECLARE(apr_status_t) apr_threadattr_guardsize_set(apr_threadattr_t *attr,
+                                                       apr_size_t size)
+{
+#ifdef HAVE_PTHREAD_ATTR_SETGUARDSIZE
+    apr_status_t rv;
+
+    rv = pthread_attr_setguardsize(&attr->attr, size);
+    if (rv == 0) {
+        return APR_SUCCESS;
+    }
+#ifdef HAVE_ZOS_PTHREADS
+    rv = errno;
+#endif
+    return rv;
+#else
+    return APR_ENOTIMPL;
+#endif
+}
+
+static void *dummy_worker(void *opaque)
+{
+    apr_thread_t *thread = (apr_thread_t*)opaque;
+    return thread->func(thread, thread->data);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_create(apr_thread_t **new,
+                                            apr_threadattr_t *attr,
+                                            apr_thread_start_t func,
+                                            void *data,
+                                            apr_pool_t *pool)
+{
+    apr_status_t stat;
+    pthread_attr_t *temp;
+
+    (*new) = (apr_thread_t *)apr_pcalloc(pool, sizeof(apr_thread_t));
+
+    if ((*new) == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->td = (pthread_t *)apr_pcalloc(pool, sizeof(pthread_t));
+
+    if ((*new)->td == NULL) {
+        return APR_ENOMEM;
+    }
+
+    (*new)->data = data;
+    (*new)->func = func;
+
+    if (attr)
+        temp = &attr->attr;
+    else
+        temp = NULL;
+
+    stat = apr_pool_create(&(*new)->pool, pool);
+    if (stat != APR_SUCCESS) {
+        return stat;
+    }
+
+    if ((stat = pthread_create((*new)->td, temp, dummy_worker, (*new))) == 0) {
+        return APR_SUCCESS;
+    }
+    else {
+#ifdef HAVE_ZOS_PTHREADS
+        stat = errno;
+#endif
+
+        return stat;
+    }
+}
+
+APR_DECLARE(apr_os_thread_t) apr_os_thread_current(void)
+{
+    return pthread_self();
+}
+
+APR_DECLARE(int) apr_os_thread_equal(apr_os_thread_t tid1,
+                                     apr_os_thread_t tid2)
+{
+    return pthread_equal(tid1, tid2);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_exit(apr_thread_t *thd,
+                                          apr_status_t retval)
+{
+    thd->exitval = retval;
+    apr_pool_destroy(thd->pool);
+    pthread_exit(NULL);
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_join(apr_status_t *retval,
+                                          apr_thread_t *thd)
+{
+    apr_status_t stat;
+    apr_status_t *thread_stat;
+
+    if ((stat = pthread_join(*thd->td,(void *)&thread_stat)) == 0) {
+        *retval = thd->exitval;
+        return APR_SUCCESS;
+    }
+    else {
+#ifdef HAVE_ZOS_PTHREADS
+        stat = errno;
+#endif
+
+        return stat;
+    }
+}
+
+APR_DECLARE(apr_status_t) apr_thread_detach(apr_thread_t *thd)
+{
+    apr_status_t stat;
+
+#ifdef HAVE_ZOS_PTHREADS
+    if ((stat = pthread_detach(thd->td)) == 0) {
+#else
+    if ((stat = pthread_detach(*thd->td)) == 0) {
+#endif
+
+        return APR_SUCCESS;
+    }
+    else {
+#ifdef HAVE_ZOS_PTHREADS
+        stat = errno;
+#endif
+
+        return stat;
+    }
+}
+
+APR_DECLARE(void) apr_thread_yield(void)
+{
+#ifdef HAVE_PTHREAD_YIELD
+#ifdef HAVE_ZOS_PTHREADS
+    pthread_yield(NULL);
+#else
+    pthread_yield();
+#endif /* HAVE_ZOS_PTHREADS */
+#else
+#ifdef HAVE_SCHED_YIELD
+    sched_yield();
+#endif
+#endif
+}
+
+APR_DECLARE(apr_status_t) apr_thread_data_get(void **data, const char *key,
+                                              apr_thread_t *thread)
+{
+    return apr_pool_userdata_get(data, key, thread->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_thread_data_set(void *data, const char *key,
+                              apr_status_t (*cleanup)(void *),
+                              apr_thread_t *thread)
+{
+    return apr_pool_userdata_set(data, key, cleanup, thread->pool);
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd,
+                                            apr_thread_t *thd)
+{
+    *thethd = thd->td;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd,
+                                            apr_os_thread_t *thethd,
+                                            apr_pool_t *pool)
+{
+    if (pool == NULL) {
+        return APR_ENOPOOL;
+    }
+
+    if ((*thd) == NULL) {
+        (*thd) = (apr_thread_t *)apr_pcalloc(pool, sizeof(apr_thread_t));
+        (*thd)->pool = pool;
+    }
+
+    (*thd)->td = thethd;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_once_init(apr_thread_once_t **control,
+                                               apr_pool_t *p)
+{
+    static const pthread_once_t once_init = PTHREAD_ONCE_INIT;
+
+    *control = apr_palloc(p, sizeof(**control));
+    (*control)->once = once_init;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_once(apr_thread_once_t *control,
+                                          void (*func)(void))
+{
+    return pthread_once(&control->once, func);
+}
+
+APR_POOL_IMPLEMENT_ACCESSOR(thread)
+
+#endif  /* HAVE_PTHREAD_H */
+#endif  /* APR_HAS_THREADS */
+
+#if !APR_HAS_THREADS
+
+/* avoid warning for no prototype */
+APR_DECLARE(apr_status_t) apr_os_thread_get(void);
+
+APR_DECLARE(apr_status_t) apr_os_thread_get(void)
+{
+    return APR_ENOTIMPL;
+}
+
+#endif