blob: 08ceede31c260414a13f77cdd4895d5bc4d0badc [file] [log] [blame]
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2000-2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" must
* not be used to endorse or promote products derived from this
* software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* nor may "Apache" appear in their name, without prior written
* permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
#include "threadproc.h"
#include "fileio.h"
#include "apr_strings.h"
#include "apr_portable.h"
#include <nks/vm.h>
apr_status_t apr_netware_proc_cleanup(void *theproc)
{
apr_proc_t *proc = theproc;
NXVmDestroy(proc->pid);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new,apr_pool_t *cont)
{
(*new) = (apr_procattr_t *)apr_pcalloc(cont, sizeof(apr_procattr_t));
if ((*new) == NULL) {
return APR_ENOMEM;
}
(*new)->cntxt = cont;
(*new)->cmdtype = APR_PROGRAM;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_io_set(apr_procattr_t *attr, apr_int32_t in,
apr_int32_t out, apr_int32_t err)
{
apr_status_t status;
if (in != 0) {
if ((status = apr_file_pipe_create(&attr->child_in, &attr->parent_in,
attr->cntxt)) != APR_SUCCESS) {
return status;
}
switch (in) {
case APR_FULL_BLOCK:
break;
case APR_PARENT_BLOCK:
apr_file_pipe_timeout_set(attr->child_in, 0);
break;
case APR_CHILD_BLOCK:
apr_file_pipe_timeout_set(attr->parent_in, 0);
break;
default:
apr_file_pipe_timeout_set(attr->child_in, 0);
apr_file_pipe_timeout_set(attr->parent_in, 0);
}
}
if (out) {
if ((status = apr_file_pipe_create(&attr->parent_out, &attr->child_out,
attr->cntxt)) != APR_SUCCESS) {
return status;
}
switch (out) {
case APR_FULL_BLOCK:
break;
case APR_PARENT_BLOCK:
apr_file_pipe_timeout_set(attr->child_out, 0);
break;
case APR_CHILD_BLOCK:
apr_file_pipe_timeout_set(attr->parent_out, 0);
break;
default:
apr_file_pipe_timeout_set(attr->child_out, 0);
apr_file_pipe_timeout_set(attr->parent_out, 0);
}
}
if (err) {
if ((status = apr_file_pipe_create(&attr->parent_err, &attr->child_err,
attr->cntxt)) != APR_SUCCESS) {
return status;
}
switch (err) {
case APR_FULL_BLOCK:
break;
case APR_PARENT_BLOCK:
apr_file_pipe_timeout_set(attr->child_err, 0);
break;
case APR_CHILD_BLOCK:
apr_file_pipe_timeout_set(attr->parent_err, 0);
break;
default:
apr_file_pipe_timeout_set(attr->child_err, 0);
apr_file_pipe_timeout_set(attr->parent_err, 0);
}
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_child_in_set(apr_procattr_t *attr, apr_file_t *child_in,
apr_file_t *parent_in)
{
if (attr->child_in == NULL && attr->parent_in == NULL)
apr_file_pipe_create(&attr->child_in, &attr->parent_in, attr->cntxt);
if (child_in != NULL)
apr_file_dup2(attr->child_in, child_in, attr->cntxt);
if (parent_in != NULL)
apr_file_dup2(attr->parent_in, parent_in, attr->cntxt);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr, apr_file_t *child_out,
apr_file_t *parent_out)
{
if (attr->child_out == NULL && attr->parent_out == NULL)
apr_file_pipe_create(&attr->child_out, &attr->parent_out, attr->cntxt);
if (child_out != NULL)
apr_file_dup2(attr->child_out, child_out, attr->cntxt);
if (parent_out != NULL)
apr_file_dup2(attr->parent_out, parent_out, attr->cntxt);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr, apr_file_t *child_err,
apr_file_t *parent_err)
{
if (attr->child_err == NULL && attr->parent_err == NULL)
apr_file_pipe_create(&attr->child_err, &attr->parent_err, attr->cntxt);
if (child_err != NULL)
apr_file_dup2(attr->child_err, child_err, attr->cntxt);
if (parent_err != NULL)
apr_file_dup2(attr->parent_err, parent_err, attr->cntxt);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr,
const char *dir)
{
attr->currdir = apr_pstrdup(attr->cntxt, dir);
if (attr->currdir) {
return APR_SUCCESS;
}
return APR_ENOMEM;
}
APR_DECLARE(apr_status_t) apr_procattr_cmdtype_set(apr_procattr_t *attr,
apr_cmdtype_e cmd)
{
if (cmd != APR_PROGRAM)
return APR_ENOTIMPL;
attr->cmdtype = cmd;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_detach_set(apr_procattr_t *attr, apr_int32_t detach)
{
attr->detached = detach;
return APR_SUCCESS;
}
#if APR_HAS_FORK
APR_DECLARE(apr_status_t) apr_proc_fork(apr_proc_t *proc, apr_pool_t *cont)
{
int pid;
if ((pid = fork()) < 0) {
return errno;
}
else if (pid == 0) {
proc->pid = pid;
proc->in = NULL;
proc->out = NULL;
proc->err = NULL;
return APR_INCHILD;
}
proc->pid = pid;
proc->in = NULL;
proc->out = NULL;
proc->err = NULL;
return APR_INPARENT;
}
#endif
static apr_status_t limit_proc(apr_procattr_t *attr)
{
#if APR_HAVE_STRUCT_RLIMIT && APR_HAVE_SETRLIMIT
#ifdef RLIMIT_CPU
if (attr->limit_cpu != NULL) {
if ((setrlimit(RLIMIT_CPU, attr->limit_cpu)) != 0) {
return errno;
}
}
#endif
#ifdef RLIMIT_NPROC
if (attr->limit_nproc != NULL) {
if ((setrlimit(RLIMIT_NPROC, attr->limit_nproc)) != 0) {
return errno;
}
}
#endif
#if defined(RLIMIT_AS)
if (attr->limit_mem != NULL) {
if ((setrlimit(RLIMIT_AS, attr->limit_mem)) != 0) {
return errno;
}
}
#elif defined(RLIMIT_DATA)
if (attr->limit_mem != NULL) {
if ((setrlimit(RLIMIT_DATA, attr->limit_mem)) != 0) {
return errno;
}
}
#elif defined(RLIMIT_VMEM)
if (attr->limit_mem != NULL) {
if ((setrlimit(RLIMIT_VMEM, attr->limit_mem)) != 0) {
return errno;
}
}
#endif
#else
/*
* Maybe make a note in error_log that setrlimit isn't supported??
*/
#endif
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *newproc,
const char *progname,
const char * const *args,
const char * const *env,
apr_procattr_t *attr,
apr_pool_t *cont)
{
int i, envCount;
const char **newargs;
char **newenv;
NXVmId_t newVM;
unsigned long flags = 0;
NXNameSpec_t nameSpec;
NXExecEnvSpec_t envSpec;
/* Set up the info for the NLM to be started */
nameSpec.ssType = NX_OBJ_FILE;
nameSpec.ssPathCtx = NULL;
nameSpec.ssPath = (void*)progname;
/* Count how many arguments there are and assign them
to the environent */
for (i=0;args && args[i];i++);
envSpec.esArgc = i;
envSpec.esArgv = (void**)args;
/* Count how many environment variables there are in the
system, add any new environment variables and place
them in the environment. */
for (i=0;env && env[i];i++);
envCount = NXGetEnvCount();
if ((envCount + i) > 0) {
newenv = (char **) NXMemAlloc(sizeof(char *) * (envCount+i+1), 0);
if (!newenv)
return APR_ENOMEM;
NXCopyEnv(newenv, envCount);
for (i=0;env && env[i];i++) {
newenv[envCount+i-1] = (char*)env[i];
}
newenv[envCount+i] = NULL;
envSpec.esEnv = (void**)newenv;
}
else
envSpec.esEnv = NULL;
if (attr->child_in) {
envSpec.esStdin.ssType = NX_OBJ_FIFO;
envSpec.esStdin.ssHandle = attr->child_in->filedes;
}
else {
envSpec.esStdin.ssType = NX_OBJ_DEFAULT;
envSpec.esStdin.ssHandle = -1;
}
envSpec.esStdin.ssPathCtx = NULL;
envSpec.esStdin.ssPath = NULL;
if (attr->child_out) {
envSpec.esStdout.ssType = NX_OBJ_FIFO;
envSpec.esStdout.ssHandle = attr->child_out->filedes;
}
else {
envSpec.esStdout.ssType = NX_OBJ_DEFAULT;
envSpec.esStdout.ssHandle = -1;
}
envSpec.esStdout.ssPathCtx = NULL;
envSpec.esStdout.ssPath = NULL;
if (attr->child_err) {
envSpec.esStderr.ssType = NX_OBJ_FIFO;
envSpec.esStderr.ssHandle = attr->child_err->filedes;
}
else {
envSpec.esStderr.ssType = NX_OBJ_DEFAULT;
envSpec.esStderr.ssHandle = -1;
}
envSpec.esStderr.ssPathCtx = NULL;
envSpec.esStderr.ssPath = NULL;
if (attr->detached) {
flags = NX_VM_CREATE_DETACHED;
}
newproc->in = attr->parent_in;
newproc->err = attr->parent_err;
newproc->out = attr->parent_out;
if (NXVmSpawn(&nameSpec, &envSpec, flags, &newVM) != 0) {
return errno;
}
else {
newproc->pid = newVM;
apr_pool_cleanup_register(cont, (void *)newproc, apr_netware_proc_cleanup,
apr_pool_cleanup_null);
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_proc_wait_all_procs(apr_proc_t *proc,
int *exitcode,
apr_exit_why_e *exitwhy,
apr_wait_how_e waithow,
apr_pool_t *p)
{
#if 0
int waitpid_options = WUNTRACED;
if (waithow != APR_WAIT) {
waitpid_options |= WNOHANG;
}
if ((proc->pid = waitpid(-1, status, waitpid_options)) > 0) {
return APR_CHILD_DONE;
}
else if (proc->pid == 0) {
return APR_CHILD_NOTDONE;
}
return errno;
#else
return APR_ENOTIMPL;
#endif
}
APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc,
int *exitcode, apr_exit_why_e *exitwhy,
apr_wait_how_e waithow)
{
#if 0
pid_t status;
if (waithow == APR_WAIT) {
if ((status = waitpid(proc->pid, NULL, WUNTRACED)) > 0) {
return APR_CHILD_DONE;
}
else if (status == 0) {
return APR_CHILD_NOTDONE;
}
return errno;
}
if ((status = waitpid(proc->pid, NULL, WUNTRACED | WNOHANG)) > 0) {
return APR_CHILD_DONE;
}
else if (status == 0) {
return APR_CHILD_NOTDONE;
}
return errno;
#else
return APR_ENOTIMPL;
#endif
}
APR_DECLARE(apr_status_t) apr_procattr_limit_set(apr_procattr_t *attr, apr_int32_t what,
struct rlimit *limit)
{
switch(what) {
case APR_LIMIT_CPU:
#ifdef RLIMIT_CPU
attr->limit_cpu = limit;
break;
#else
return APR_ENOTIMPL;
#endif
case APR_LIMIT_MEM:
#if defined (RLIMIT_DATA) || defined (RLIMIT_VMEM) || defined(RLIMIT_AS)
attr->limit_mem = limit;
break;
#else
return APR_ENOTIMPL;
#endif
case APR_LIMIT_NPROC:
#ifdef RLIMIT_NPROC
attr->limit_nproc = limit;
break;
#else
return APR_ENOTIMPL;
#endif
}
return APR_SUCCESS;
}