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-rw-r--r--threadproc/unix/thread.c334
1 files changed, 334 insertions, 0 deletions
diff --git a/threadproc/unix/thread.c b/threadproc/unix/thread.c
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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