Livox-SDK
516 lines
16 KiB
C
516 lines
16 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "apr_arch_threadproc.h"
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#include "apr_arch_file_io.h"
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#include "apr_strings.h"
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#include "apr_portable.h"
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#include <proc.h>
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/* Heavy on no'ops, here's what we want to pass if there is APR_NO_FILE
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* requested for a specific child handle;
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*/
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static apr_file_t no_file = { NULL, -1, };
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static apr_status_t apr_netware_proc_cleanup(void *theproc)
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{
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apr_proc_t *proc = theproc;
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int exit_int;
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int waitpid_options = WUNTRACED | WNOHANG;
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if (proc->pid > 0) {
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waitpid(proc->pid, &exit_int, waitpid_options);
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}
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/* NXVmDestroy(proc->pid); */
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new,apr_pool_t *pool)
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{
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(*new) = (apr_procattr_t *)apr_pcalloc(pool, sizeof(apr_procattr_t));
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if ((*new) == NULL) {
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return APR_ENOMEM;
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}
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(*new)->pool = pool;
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(*new)->cmdtype = APR_PROGRAM;
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/* Default to a current path since NetWare doesn't handle it very well */
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apr_filepath_get(&((*new)->currdir), APR_FILEPATH_NATIVE, pool);
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(*new)->detached = 1;
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr,
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apr_int32_t in,
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apr_int32_t out,
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apr_int32_t err)
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{
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apr_status_t rv;
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if ((in != APR_NO_PIPE) && (in != APR_NO_FILE)) {
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/* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while
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* APR_PARENT_BLOCK maps to APR_READ_BLOCK, so transpose
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* the CHILD/PARENT blocking flags for the stdin pipe.
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* stdout/stderr map to the correct mode by default.
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*/
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if (in == APR_CHILD_BLOCK)
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in = APR_READ_BLOCK;
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else if (in == APR_PARENT_BLOCK)
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in = APR_WRITE_BLOCK;
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if ((rv = apr_file_pipe_create_ex(&attr->child_in, &attr->parent_in,
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in, attr->pool)) == APR_SUCCESS)
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rv = apr_file_inherit_unset(attr->parent_in);
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if (rv != APR_SUCCESS)
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return rv;
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}
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else if (in == APR_NO_FILE)
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attr->child_in = &no_file;
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if ((out != APR_NO_PIPE) && (out != APR_NO_FILE)) {
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if ((rv = apr_file_pipe_create_ex(&attr->parent_out, &attr->child_out,
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out, attr->pool)) == APR_SUCCESS)
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rv = apr_file_inherit_unset(attr->parent_out);
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if (rv != APR_SUCCESS)
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return rv;
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}
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else if (out == APR_NO_FILE)
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attr->child_out = &no_file;
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if ((err != APR_NO_PIPE) && (err != APR_NO_FILE)) {
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if ((rv = apr_file_pipe_create_ex(&attr->parent_err, &attr->child_err,
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err, attr->pool)) == APR_SUCCESS)
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rv = apr_file_inherit_unset(attr->parent_err);
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if (rv != APR_SUCCESS)
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return rv;
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}
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else if (err == APR_NO_FILE)
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attr->child_err = &no_file;
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr, apr_file_t *child_in,
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apr_file_t *parent_in)
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{
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apr_status_t rv = APR_SUCCESS;
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if (attr->child_in == NULL && attr->parent_in == NULL
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&& child_in == NULL && parent_in == NULL)
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if ((rv = apr_file_pipe_create(&attr->child_in, &attr->parent_in,
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attr->pool)) == APR_SUCCESS)
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rv = apr_file_inherit_unset(attr->parent_in);
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if (child_in != NULL && rv == APR_SUCCESS) {
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if (attr->child_in && (attr->child_in->filedes != -1))
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rv = apr_file_dup2(attr->child_in, child_in, attr->pool);
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else {
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attr->child_in = NULL;
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if ((rv = apr_file_dup(&attr->child_in, child_in, attr->pool))
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== APR_SUCCESS)
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rv = apr_file_inherit_set(attr->child_in);
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}
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}
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if (parent_in != NULL && rv == APR_SUCCESS) {
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rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool);
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}
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return rv;
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}
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APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr, apr_file_t *child_out,
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apr_file_t *parent_out)
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{
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apr_status_t rv = APR_SUCCESS;
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if (attr->child_out == NULL && attr->parent_out == NULL
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&& child_out == NULL && parent_out == NULL)
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if ((rv = apr_file_pipe_create(&attr->parent_out, &attr->child_out,
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attr->pool)) == APR_SUCCESS)
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rv = apr_file_inherit_unset(attr->parent_out);
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if (child_out != NULL && rv == APR_SUCCESS) {
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if (attr->child_out && (attr->child_out->filedes != -1))
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rv = apr_file_dup2(attr->child_out, child_out, attr->pool);
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else {
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attr->child_out = NULL;
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if ((rv = apr_file_dup(&attr->child_out, child_out, attr->pool))
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== APR_SUCCESS)
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rv = apr_file_inherit_set(attr->child_out);
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}
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}
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if (parent_out != NULL && rv == APR_SUCCESS) {
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rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool);
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}
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return rv;
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}
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APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr, apr_file_t *child_err,
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apr_file_t *parent_err)
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{
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apr_status_t rv = APR_SUCCESS;
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if (attr->child_err == NULL && attr->parent_err == NULL
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&& child_err == NULL && parent_err == NULL)
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if ((rv = apr_file_pipe_create(&attr->parent_err, &attr->child_err,
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attr->pool)) == APR_SUCCESS)
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rv = apr_file_inherit_unset(attr->parent_err);
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if (child_err != NULL && rv == APR_SUCCESS) {
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if (attr->child_err && (attr->child_err->filedes != -1))
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rv = apr_file_dup2(attr->child_err, child_err, attr->pool);
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else {
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attr->child_err = NULL;
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if ((rv = apr_file_dup(&attr->child_err, child_err, attr->pool))
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== APR_SUCCESS)
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rv = apr_file_inherit_set(attr->child_err);
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}
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}
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if (parent_err != NULL && rv == APR_SUCCESS) {
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rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool);
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}
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return rv;
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}
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APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr,
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const char *dir)
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{
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return apr_filepath_merge(&attr->currdir, NULL, dir,
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APR_FILEPATH_NATIVE, attr->pool);
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}
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APR_DECLARE(apr_status_t) apr_procattr_cmdtype_set(apr_procattr_t *attr,
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apr_cmdtype_e cmd)
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{
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/* won't ever be called on this platform, so don't save the function pointer */
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_procattr_detach_set(apr_procattr_t *attr, apr_int32_t detach)
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{
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attr->detached = detach;
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return APR_SUCCESS;
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}
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#if APR_HAS_FORK
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APR_DECLARE(apr_status_t) apr_proc_fork(apr_proc_t *proc, apr_pool_t *pool)
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{
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int pid;
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if ((pid = fork()) < 0) {
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return errno;
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}
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else if (pid == 0) {
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proc->pid = pid;
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proc->in = NULL;
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proc->out = NULL;
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proc->err = NULL;
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return APR_INCHILD;
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}
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proc->pid = pid;
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proc->in = NULL;
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proc->out = NULL;
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proc->err = NULL;
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return APR_INPARENT;
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}
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#endif
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static apr_status_t limit_proc(apr_procattr_t *attr)
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{
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#if APR_HAVE_STRUCT_RLIMIT && APR_HAVE_SETRLIMIT
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#ifdef RLIMIT_CPU
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if (attr->limit_cpu != NULL) {
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if ((setrlimit(RLIMIT_CPU, attr->limit_cpu)) != 0) {
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return errno;
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}
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}
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#endif
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#ifdef RLIMIT_NPROC
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if (attr->limit_nproc != NULL) {
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if ((setrlimit(RLIMIT_NPROC, attr->limit_nproc)) != 0) {
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return errno;
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}
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}
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#endif
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#if defined(RLIMIT_AS)
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if (attr->limit_mem != NULL) {
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if ((setrlimit(RLIMIT_AS, attr->limit_mem)) != 0) {
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return errno;
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}
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}
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#elif defined(RLIMIT_DATA)
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if (attr->limit_mem != NULL) {
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if ((setrlimit(RLIMIT_DATA, attr->limit_mem)) != 0) {
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return errno;
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}
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}
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#elif defined(RLIMIT_VMEM)
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if (attr->limit_mem != NULL) {
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if ((setrlimit(RLIMIT_VMEM, attr->limit_mem)) != 0) {
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return errno;
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}
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}
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#endif
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#else
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/*
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* Maybe make a note in error_log that setrlimit isn't supported??
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*/
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#endif
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_procattr_child_errfn_set(apr_procattr_t *attr,
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apr_child_errfn_t *errfn)
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{
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/* won't ever be called on this platform, so don't save the function pointer */
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_procattr_error_check_set(apr_procattr_t *attr,
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apr_int32_t chk)
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{
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/* won't ever be used on this platform, so don't save the flag */
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_procattr_addrspace_set(apr_procattr_t *attr,
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apr_int32_t addrspace)
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{
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attr->addrspace = addrspace;
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *newproc,
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const char *progname,
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const char * const *args,
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const char * const *env,
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apr_procattr_t *attr,
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apr_pool_t *pool)
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{
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wiring_t wire;
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int addr_space;
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wire.infd = attr->child_in
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? (attr->child_in->filedes != -1 ? attr->child_in->filedes
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: FD_UNUSED)
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: fileno(stdin);
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wire.outfd = attr->child_out
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? (attr->child_out->filedes != -1 ? attr->child_out->filedes
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: FD_UNUSED)
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: fileno(stdout);
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wire.errfd = attr->child_err
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? (attr->child_err->filedes != -1 ? attr->child_err->filedes
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: FD_UNUSED)
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: fileno(stderr);
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newproc->in = attr->parent_in;
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newproc->out = attr->parent_out;
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newproc->err = attr->parent_err;
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/* attr->detached and PROC_DETACHED do not mean the same thing. attr->detached means
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* start the NLM in a separate address space. PROC_DETACHED means don't wait for the
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* NLM to unload by calling wait() or waitpid(), just clean up */
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addr_space = PROC_LOAD_SILENT | (attr->addrspace ? 0 : PROC_CURRENT_SPACE);
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addr_space |= (attr->detached ? PROC_DETACHED : 0);
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if (attr->currdir) {
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char *fullpath = NULL;
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apr_status_t rv;
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if ((rv = apr_filepath_merge(&fullpath, attr->currdir, progname,
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APR_FILEPATH_NATIVE, pool)) != APR_SUCCESS) {
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return rv;
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}
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progname = fullpath;
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}
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if ((newproc->pid = procve(progname, addr_space, (const char**)env, &wire,
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NULL, NULL, 0, NULL, (const char **)args)) == -1) {
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return errno;
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}
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if (attr->child_in && (attr->child_in->filedes != -1)) {
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apr_pool_cleanup_kill(apr_file_pool_get(attr->child_in),
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attr->child_in, apr_unix_file_cleanup);
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apr_file_close(attr->child_in);
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}
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if (attr->child_out && (attr->child_out->filedes != -1)) {
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apr_pool_cleanup_kill(apr_file_pool_get(attr->child_out),
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attr->child_out, apr_unix_file_cleanup);
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apr_file_close(attr->child_out);
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}
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if (attr->child_err && (attr->child_err->filedes != -1)) {
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apr_pool_cleanup_kill(apr_file_pool_get(attr->child_err),
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attr->child_err, apr_unix_file_cleanup);
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apr_file_close(attr->child_err);
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}
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apr_pool_cleanup_register(pool, (void *)newproc, apr_netware_proc_cleanup,
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apr_pool_cleanup_null);
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return APR_SUCCESS;
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}
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APR_DECLARE(apr_status_t) apr_proc_wait_all_procs(apr_proc_t *proc,
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int *exitcode,
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apr_exit_why_e *exitwhy,
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apr_wait_how_e waithow,
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apr_pool_t *p)
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{
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proc->pid = -1;
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return apr_proc_wait(proc, exitcode, exitwhy, waithow);
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}
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APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc,
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int *exitcode, apr_exit_why_e *exitwhy,
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apr_wait_how_e waithow)
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{
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pid_t pstatus;
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int waitpid_options = WUNTRACED;
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int exit_int;
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int ignore;
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apr_exit_why_e ignorewhy;
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if (exitcode == NULL) {
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exitcode = &ignore;
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}
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if (exitwhy == NULL) {
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exitwhy = &ignorewhy;
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}
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if (waithow != APR_WAIT) {
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waitpid_options |= WNOHANG;
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}
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/* If the pid is 0 then the process was started detached. There
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is no need to wait since there is nothing to wait for on a
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detached process. Starting a process as non-detached and
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then calling wait or waitpid could cause the thread to hang.
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The reason for this is because NetWare does not have a way
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to kill or even signal a process to be killed. Starting
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all processes as detached avoids the possibility of a
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thread hanging. */
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if (proc->pid == 0) {
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*exitwhy = APR_PROC_EXIT;
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*exitcode = 0;
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return APR_CHILD_DONE;
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}
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if ((pstatus = waitpid(proc->pid, &exit_int, waitpid_options)) > 0) {
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proc->pid = pstatus;
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if (WIFEXITED(exit_int)) {
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*exitwhy = APR_PROC_EXIT;
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*exitcode = WEXITSTATUS(exit_int);
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}
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else if (WIFSIGNALED(exit_int)) {
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*exitwhy = APR_PROC_SIGNAL;
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*exitcode = WIFTERMSIG(exit_int);
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}
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else {
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/* unexpected condition */
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return APR_EGENERAL;
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}
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return APR_CHILD_DONE;
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}
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else if (pstatus == 0) {
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return APR_CHILD_NOTDONE;
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}
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return errno;
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}
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#if APR_HAVE_STRUCT_RLIMIT
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APR_DECLARE(apr_status_t) apr_procattr_limit_set(apr_procattr_t *attr,
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apr_int32_t what,
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struct rlimit *limit)
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{
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switch(what) {
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case APR_LIMIT_CPU:
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#ifdef RLIMIT_CPU
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attr->limit_cpu = limit;
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break;
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#else
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return APR_ENOTIMPL;
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#endif
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case APR_LIMIT_MEM:
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#if defined(RLIMIT_DATA) || defined(RLIMIT_VMEM) || defined(RLIMIT_AS)
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attr->limit_mem = limit;
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break;
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#else
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return APR_ENOTIMPL;
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#endif
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case APR_LIMIT_NPROC:
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#ifdef RLIMIT_NPROC
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attr->limit_nproc = limit;
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break;
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#else
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return APR_ENOTIMPL;
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#endif
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case APR_LIMIT_NOFILE:
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#ifdef RLIMIT_NOFILE
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attr->limit_nofile = limit;
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break;
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#else
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return APR_ENOTIMPL;
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#endif
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}
|
|
return APR_SUCCESS;
|
|
}
|
|
#endif /* APR_HAVE_STRUCT_RLIMIT */
|
|
|
|
APR_DECLARE(apr_status_t) apr_procattr_user_set(apr_procattr_t *attr,
|
|
const char *username,
|
|
const char *password)
|
|
{
|
|
/* Always return SUCCESS because NetWare threads don't run as a user */
|
|
return APR_SUCCESS;
|
|
}
|
|
|
|
APR_DECLARE(apr_status_t) apr_procattr_group_set(apr_procattr_t *attr,
|
|
const char *groupname)
|
|
{
|
|
/* Always return SUCCESS because NetWare threads don't run within a group */
|
|
return APR_SUCCESS;
|
|
}
|
|
|
|
APR_DECLARE(apr_status_t) apr_procattr_perms_set_register(apr_procattr_t *attr,
|
|
apr_perms_setfn_t *perms_set_fn,
|
|
void *data,
|
|
apr_fileperms_t perms)
|
|
{
|
|
return APR_ENOTIMPL;
|
|
}
|