feat:replace boost library with C++11 std library

This commit is contained in:
Livox-SDK
2020-04-01 20:53:55 +08:00
parent 559ffbf712
commit 47389056be
1936 changed files with 241862 additions and 60153 deletions
+739
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@@ -0,0 +1,739 @@
/* 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_arch_threadproc.h"
#include "apr_strings.h"
#include "apr_portable.h"
#include "apr_signal.h"
#include "apr_random.h"
/* Heavy on no'ops, here's what we want to pass if there is APR_NO_FILE
* requested for a specific child handle;
*/
static apr_file_t no_file = { NULL, -1, };
APR_DECLARE(apr_status_t) apr_procattr_create(apr_procattr_t **new,
apr_pool_t *pool)
{
(*new) = (apr_procattr_t *)apr_pcalloc(pool, sizeof(apr_procattr_t));
if ((*new) == NULL) {
return APR_ENOMEM;
}
(*new)->pool = pool;
(*new)->cmdtype = APR_PROGRAM;
(*new)->uid = (*new)->gid = -1;
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 rv;
if ((in != APR_NO_PIPE) && (in != APR_NO_FILE)) {
/* APR_CHILD_BLOCK maps to APR_WRITE_BLOCK, while
* APR_PARENT_BLOCK maps to APR_READ_BLOCK, so transpose
* the CHILD/PARENT blocking flags for the stdin pipe.
* stdout/stderr map to the correct mode by default.
*/
if (in == APR_CHILD_BLOCK)
in = APR_READ_BLOCK;
else if (in == APR_PARENT_BLOCK)
in = APR_WRITE_BLOCK;
if ((rv = apr_file_pipe_create_ex(&attr->child_in, &attr->parent_in,
in, attr->pool)) == APR_SUCCESS)
rv = apr_file_inherit_unset(attr->parent_in);
if (rv != APR_SUCCESS)
return rv;
}
else if (in == APR_NO_FILE)
attr->child_in = &no_file;
if ((out != APR_NO_PIPE) && (out != APR_NO_FILE)) {
if ((rv = apr_file_pipe_create_ex(&attr->parent_out, &attr->child_out,
out, attr->pool)) == APR_SUCCESS)
rv = apr_file_inherit_unset(attr->parent_out);
if (rv != APR_SUCCESS)
return rv;
}
else if (out == APR_NO_FILE)
attr->child_out = &no_file;
if ((err != APR_NO_PIPE) && (err != APR_NO_FILE)) {
if ((rv = apr_file_pipe_create_ex(&attr->parent_err, &attr->child_err,
err, attr->pool)) == APR_SUCCESS)
rv = apr_file_inherit_unset(attr->parent_err);
if (rv != APR_SUCCESS)
return rv;
}
else if (err == APR_NO_FILE)
attr->child_err = &no_file;
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)
{
apr_status_t rv = APR_SUCCESS;
if (attr->child_in == NULL && attr->parent_in == NULL
&& child_in == NULL && parent_in == NULL)
if ((rv = apr_file_pipe_create(&attr->child_in, &attr->parent_in,
attr->pool)) == APR_SUCCESS)
rv = apr_file_inherit_unset(attr->parent_in);
if (child_in != NULL && rv == APR_SUCCESS) {
if (attr->child_in && (attr->child_in->filedes != -1))
rv = apr_file_dup2(attr->child_in, child_in, attr->pool);
else {
attr->child_in = NULL;
if ((rv = apr_file_dup(&attr->child_in, child_in, attr->pool))
== APR_SUCCESS)
rv = apr_file_inherit_set(attr->child_in);
}
}
if (parent_in != NULL && rv == APR_SUCCESS) {
if (attr->parent_in)
rv = apr_file_dup2(attr->parent_in, parent_in, attr->pool);
else
rv = apr_file_dup(&attr->parent_in, parent_in, attr->pool);
}
return rv;
}
APR_DECLARE(apr_status_t) apr_procattr_child_out_set(apr_procattr_t *attr,
apr_file_t *child_out,
apr_file_t *parent_out)
{
apr_status_t rv = APR_SUCCESS;
if (attr->child_out == NULL && attr->parent_out == NULL
&& child_out == NULL && parent_out == NULL)
if ((rv = apr_file_pipe_create(&attr->parent_out, &attr->child_out,
attr->pool)) == APR_SUCCESS)
rv = apr_file_inherit_unset(attr->parent_out);
if (child_out != NULL && rv == APR_SUCCESS) {
if (attr->child_out && (attr->child_out->filedes != -1))
rv = apr_file_dup2(attr->child_out, child_out, attr->pool);
else {
attr->child_out = NULL;
if ((rv = apr_file_dup(&attr->child_out, child_out, attr->pool))
== APR_SUCCESS)
rv = apr_file_inherit_set(attr->child_out);
}
}
if (parent_out != NULL && rv == APR_SUCCESS) {
if (attr->parent_out)
rv = apr_file_dup2(attr->parent_out, parent_out, attr->pool);
else
rv = apr_file_dup(&attr->parent_out, parent_out, attr->pool);
}
return rv;
}
APR_DECLARE(apr_status_t) apr_procattr_child_err_set(apr_procattr_t *attr,
apr_file_t *child_err,
apr_file_t *parent_err)
{
apr_status_t rv = APR_SUCCESS;
if (attr->child_err == NULL && attr->parent_err == NULL
&& child_err == NULL && parent_err == NULL)
if ((rv = apr_file_pipe_create(&attr->parent_err, &attr->child_err,
attr->pool)) == APR_SUCCESS)
rv = apr_file_inherit_unset(attr->parent_err);
if (child_err != NULL && rv == APR_SUCCESS) {
if (attr->child_err && (attr->child_err->filedes != -1))
rv = apr_file_dup2(attr->child_err, child_err, attr->pool);
else {
attr->child_err = NULL;
if ((rv = apr_file_dup(&attr->child_err, child_err, attr->pool))
== APR_SUCCESS)
rv = apr_file_inherit_set(attr->child_err);
}
}
if (parent_err != NULL && rv == APR_SUCCESS) {
if (attr->parent_err)
rv = apr_file_dup2(attr->parent_err, parent_err, attr->pool);
else
rv = apr_file_dup(&attr->parent_err, parent_err, attr->pool);
}
return rv;
}
APR_DECLARE(apr_status_t) apr_procattr_dir_set(apr_procattr_t *attr,
const char *dir)
{
attr->currdir = apr_pstrdup(attr->pool, 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)
{
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;
}
APR_DECLARE(apr_status_t) apr_proc_fork(apr_proc_t *proc, apr_pool_t *pool)
{
int pid;
memset(proc, 0, sizeof(apr_proc_t));
if ((pid = fork()) < 0) {
return errno;
}
else if (pid == 0) {
proc->pid = getpid();
apr_random_after_fork(proc);
return APR_INCHILD;
}
proc->pid = pid;
return APR_INPARENT;
}
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
#ifdef RLIMIT_NOFILE
if (attr->limit_nofile != NULL) {
if ((setrlimit(RLIMIT_NOFILE, attr->limit_nofile)) != 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_procattr_child_errfn_set(apr_procattr_t *attr,
apr_child_errfn_t *errfn)
{
attr->errfn = errfn;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_error_check_set(apr_procattr_t *attr,
apr_int32_t chk)
{
attr->errchk = chk;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_addrspace_set(apr_procattr_t *attr,
apr_int32_t addrspace)
{
/* won't ever be used on this platform, so don't save the flag */
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_user_set(apr_procattr_t *attr,
const char *username,
const char *password)
{
apr_status_t rv;
apr_gid_t gid;
if ((rv = apr_uid_get(&attr->uid, &gid, username,
attr->pool)) != APR_SUCCESS) {
attr->uid = -1;
return rv;
}
/* Use default user group if not already set */
if (attr->gid == -1) {
attr->gid = gid;
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_procattr_group_set(apr_procattr_t *attr,
const char *groupname)
{
apr_status_t rv;
if ((rv = apr_gid_get(&attr->gid, groupname, attr->pool)) != APR_SUCCESS)
attr->gid = -1;
return rv;
}
APR_DECLARE(apr_status_t) apr_proc_create(apr_proc_t *new,
const char *progname,
const char * const *args,
const char * const *env,
apr_procattr_t *attr,
apr_pool_t *pool)
{
int i;
const char * const empty_envp[] = {NULL};
if (!env) { /* Specs require an empty array instead of NULL;
* Purify will trigger a failure, even if many
* implementations don't.
*/
env = empty_envp;
}
new->in = attr->parent_in;
new->err = attr->parent_err;
new->out = attr->parent_out;
if (attr->errchk) {
if (attr->currdir) {
if (access(attr->currdir, X_OK) == -1) {
/* chdir() in child wouldn't have worked */
return errno;
}
}
if (attr->cmdtype == APR_PROGRAM ||
attr->cmdtype == APR_PROGRAM_ENV ||
*progname == '/') {
/* for both of these values of cmdtype, caller must pass
* full path, so it is easy to check;
* caller can choose to pass full path for other
* values of cmdtype
*/
if (access(progname, X_OK) == -1) {
/* exec*() in child wouldn't have worked */
return errno;
}
}
else {
/* todo: search PATH for progname then try to access it */
}
}
if ((new->pid = fork()) < 0) {
return errno;
}
else if (new->pid == 0) {
/* child process */
/*
* If we do exec cleanup before the dup2() calls to set up pipes
* on 0-2, we accidentally close the pipes used by programs like
* mod_cgid.
*
* If we do exec cleanup after the dup2() calls, cleanup can accidentally
* close our pipes which replaced any files which previously had
* descriptors 0-2.
*
* The solution is to kill the cleanup for the pipes, then do
* exec cleanup, then do the dup2() calls.
*/
if (attr->child_in) {
apr_pool_cleanup_kill(apr_file_pool_get(attr->child_in),
attr->child_in, apr_unix_file_cleanup);
}
if (attr->child_out) {
apr_pool_cleanup_kill(apr_file_pool_get(attr->child_out),
attr->child_out, apr_unix_file_cleanup);
}
if (attr->child_err) {
apr_pool_cleanup_kill(apr_file_pool_get(attr->child_err),
attr->child_err, apr_unix_file_cleanup);
}
apr_pool_cleanup_for_exec();
if ((attr->child_in) && (attr->child_in->filedes == -1)) {
close(STDIN_FILENO);
}
else if (attr->child_in &&
attr->child_in->filedes != STDIN_FILENO) {
dup2(attr->child_in->filedes, STDIN_FILENO);
apr_file_close(attr->child_in);
}
if ((attr->child_out) && (attr->child_out->filedes == -1)) {
close(STDOUT_FILENO);
}
else if (attr->child_out &&
attr->child_out->filedes != STDOUT_FILENO) {
dup2(attr->child_out->filedes, STDOUT_FILENO);
apr_file_close(attr->child_out);
}
if ((attr->child_err) && (attr->child_err->filedes == -1)) {
close(STDERR_FILENO);
}
else if (attr->child_err &&
attr->child_err->filedes != STDERR_FILENO) {
dup2(attr->child_err->filedes, STDERR_FILENO);
apr_file_close(attr->child_err);
}
apr_signal(SIGCHLD, SIG_DFL); /* not sure if this is needed or not */
if (attr->currdir != NULL) {
if (chdir(attr->currdir) == -1) {
if (attr->errfn) {
attr->errfn(pool, errno, "change of working directory failed");
}
_exit(-1); /* We have big problems, the child should exit. */
}
}
if (!geteuid()) {
apr_procattr_pscb_t *c = attr->perms_set_callbacks;
while (c) {
apr_status_t r;
r = (*c->perms_set_fn)((void *)c->data, c->perms,
attr->uid, attr->gid);
if (r != APR_SUCCESS && r != APR_ENOTIMPL) {
_exit(-1);
}
c = c->next;
}
}
/* Only try to switch if we are running as root */
if (attr->gid != -1 && !geteuid()) {
if (setgid(attr->gid)) {
if (attr->errfn) {
attr->errfn(pool, errno, "setting of group failed");
}
_exit(-1); /* We have big problems, the child should exit. */
}
}
if (attr->uid != -1 && !geteuid()) {
if (setuid(attr->uid)) {
if (attr->errfn) {
attr->errfn(pool, errno, "setting of user failed");
}
_exit(-1); /* We have big problems, the child should exit. */
}
}
if (limit_proc(attr) != APR_SUCCESS) {
if (attr->errfn) {
attr->errfn(pool, errno, "setting of resource limits failed");
}
_exit(-1); /* We have big problems, the child should exit. */
}
if (attr->cmdtype == APR_SHELLCMD ||
attr->cmdtype == APR_SHELLCMD_ENV) {
int onearg_len = 0;
const char *newargs[4];
newargs[0] = SHELL_PATH;
newargs[1] = "-c";
i = 0;
while (args[i]) {
onearg_len += strlen(args[i]);
onearg_len++; /* for space delimiter */
i++;
}
switch(i) {
case 0:
/* bad parameters; we're doomed */
break;
case 1:
/* no args, or caller already built a single string from
* progname and args
*/
newargs[2] = args[0];
break;
default:
{
char *ch, *onearg;
ch = onearg = apr_palloc(pool, onearg_len);
i = 0;
while (args[i]) {
size_t len = strlen(args[i]);
memcpy(ch, args[i], len);
ch += len;
*ch = ' ';
++ch;
++i;
}
--ch; /* back up to trailing blank */
*ch = '\0';
newargs[2] = onearg;
}
}
newargs[3] = NULL;
if (attr->detached) {
apr_proc_detach(APR_PROC_DETACH_DAEMONIZE);
}
if (attr->cmdtype == APR_SHELLCMD) {
execve(SHELL_PATH, (char * const *) newargs, (char * const *)env);
}
else {
execv(SHELL_PATH, (char * const *)newargs);
}
}
else if (attr->cmdtype == APR_PROGRAM) {
if (attr->detached) {
apr_proc_detach(APR_PROC_DETACH_DAEMONIZE);
}
execve(progname, (char * const *)args, (char * const *)env);
}
else if (attr->cmdtype == APR_PROGRAM_ENV) {
if (attr->detached) {
apr_proc_detach(APR_PROC_DETACH_DAEMONIZE);
}
execv(progname, (char * const *)args);
}
else {
/* APR_PROGRAM_PATH */
if (attr->detached) {
apr_proc_detach(APR_PROC_DETACH_DAEMONIZE);
}
execvp(progname, (char * const *)args);
}
if (attr->errfn) {
char *desc;
desc = apr_psprintf(pool, "exec of '%s' failed",
progname);
attr->errfn(pool, errno, desc);
}
_exit(-1); /* if we get here, there is a problem, so exit with an
* error code. */
}
/* Parent process */
if (attr->child_in && (attr->child_in->filedes != -1)) {
apr_file_close(attr->child_in);
}
if (attr->child_out && (attr->child_out->filedes != -1)) {
apr_file_close(attr->child_out);
}
if (attr->child_err && (attr->child_err->filedes != -1)) {
apr_file_close(attr->child_err);
}
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)
{
proc->pid = -1;
return apr_proc_wait(proc, exitcode, exitwhy, waithow);
}
APR_DECLARE(apr_status_t) apr_proc_wait(apr_proc_t *proc,
int *exitcode, apr_exit_why_e *exitwhy,
apr_wait_how_e waithow)
{
pid_t pstatus;
int waitpid_options = WUNTRACED;
int exit_int;
int ignore;
apr_exit_why_e ignorewhy;
if (exitcode == NULL) {
exitcode = &ignore;
}
if (exitwhy == NULL) {
exitwhy = &ignorewhy;
}
if (waithow != APR_WAIT) {
waitpid_options |= WNOHANG;
}
do {
pstatus = waitpid(proc->pid, &exit_int, waitpid_options);
} while (pstatus < 0 && errno == EINTR);
if (pstatus > 0) {
proc->pid = pstatus;
if (WIFEXITED(exit_int)) {
*exitwhy = APR_PROC_EXIT;
*exitcode = WEXITSTATUS(exit_int);
}
else if (WIFSIGNALED(exit_int)) {
*exitwhy = APR_PROC_SIGNAL;
#ifdef WCOREDUMP
if (WCOREDUMP(exit_int)) {
*exitwhy |= APR_PROC_SIGNAL_CORE;
}
#endif
*exitcode = WTERMSIG(exit_int);
}
else {
/* unexpected condition */
return APR_EGENERAL;
}
return APR_CHILD_DONE;
}
else if (pstatus == 0) {
return APR_CHILD_NOTDONE;
}
return errno;
}
#if APR_HAVE_STRUCT_RLIMIT
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
case APR_LIMIT_NOFILE:
#ifdef RLIMIT_NOFILE
attr->limit_nofile = limit;
break;
#else
return APR_ENOTIMPL;
#endif
}
return APR_SUCCESS;
}
#endif /* APR_HAVE_STRUCT_RLIMIT */
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)
{
apr_procattr_pscb_t *c;
c = apr_palloc(attr->pool, sizeof(apr_procattr_pscb_t));
c->data = data;
c->perms = perms;
c->perms_set_fn = perms_set_fn;
c->next = attr->perms_set_callbacks;
attr->perms_set_callbacks = c;
return APR_SUCCESS;
}
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@@ -0,0 +1,104 @@
/* 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_arch_threadproc.h"
APR_DECLARE(apr_status_t) apr_proc_detach(int daemonize)
{
if (chdir("/") == -1) {
return errno;
}
#if !defined(MPE) && !defined(OS2) && !defined(TPF) && !defined(BEOS)
/* Don't detach for MPE because child processes can't survive the death of
* the parent. */
if (daemonize) {
int x;
if ((x = fork()) > 0) {
exit(0);
}
else if (x == -1) {
perror("fork");
fprintf(stderr, "unable to fork new process\n");
exit(1); /* we can't do anything here, so just exit. */
}
/* RAISE_SIGSTOP(DETACH); */
}
#endif
#ifdef HAVE_SETSID
/* A setsid() failure is not fatal if we didn't just fork().
* The calling process may be the process group leader, in
* which case setsid() will fail with EPERM.
*/
if (setsid() == -1 && daemonize) {
return errno;
}
#elif defined(NEXT) || defined(NEWSOS)
if (setpgrp(0, getpid()) == -1) {
return errno;
}
#elif defined(OS2) || defined(TPF) || defined(MPE)
/* do nothing */
#else
if (setpgid(0, 0) == -1) {
return errno;
}
#endif
/* close out the standard file descriptors */
if (freopen("/dev/null", "r", stdin) == NULL) {
return errno;
/* continue anyhow -- note we can't close out descriptor 0 because we
* have nothing to replace it with, and if we didn't have a descriptor
* 0 the next file would be created with that value ... leading to
* havoc.
*/
}
if (freopen("/dev/null", "w", stdout) == NULL) {
return errno;
}
/* We are going to reopen this again in a little while to the error
* log file, but better to do it twice and suffer a small performance
* hit for consistancy than not reopen it here.
*/
if (freopen("/dev/null", "w", stderr) == NULL) {
return errno;
}
return APR_SUCCESS;
}
#if (!HAVE_WAITPID)
/* From ikluft@amdahl.com
* this is not ideal but it works for SVR3 variants
* Modified by dwd@bell-labs.com to call wait3 instead of wait because
* apache started to use the WNOHANG option.
*/
int waitpid(pid_t pid, int *statusp, int options)
{
int tmp_pid;
if (kill(pid, 0) == -1) {
errno = ECHILD;
return -1;
}
while (((tmp_pid = wait3(statusp, options, 0)) != pid) &&
(tmp_pid != -1) && (tmp_pid != 0) && (pid != -1))
;
return tmp_pid;
}
#endif
+487
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/* 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.
*/
#define INCL_DOSEXCEPTIONS /* for OS2 */
#include "apr_arch_threadproc.h"
#include "apr_private.h"
#include "apr_pools.h"
#include "apr_signal.h"
#include "apr_strings.h"
#include <assert.h>
#if APR_HAS_THREADS && APR_HAVE_PTHREAD_H
#include <pthread.h>
#endif
#ifdef SIGWAIT_TAKES_ONE_ARG
#define apr_sigwait(a,b) ((*(b)=sigwait((a)))<0?-1:0)
#else
#define apr_sigwait(a,b) sigwait((a),(b))
#endif
APR_DECLARE(apr_status_t) apr_proc_kill(apr_proc_t *proc, int signum)
{
#ifdef OS2
/* SIGTERM's don't work too well in OS/2 (only affects other EMX
* programs). CGIs may not be, esp. REXX scripts, so use a native
* call instead
*/
if (signum == SIGTERM) {
return APR_OS2_STATUS(DosSendSignalException(proc->pid,
XCPT_SIGNAL_BREAK));
}
#endif /* OS2 */
if (kill(proc->pid, signum) == -1) {
return errno;
}
return APR_SUCCESS;
}
#if APR_HAVE_SIGACTION
#if defined(__NetBSD__) || defined(DARWIN)
static void avoid_zombies(int signo)
{
int exit_status;
while (waitpid(-1, &exit_status, WNOHANG) > 0) {
/* do nothing */
}
}
#endif /* DARWIN */
/*
* Replace standard signal() with the more reliable sigaction equivalent
* from W. Richard Stevens' "Advanced Programming in the UNIX Environment"
* (the version that does not automatically restart system calls).
*/
APR_DECLARE(apr_sigfunc_t *) apr_signal(int signo, apr_sigfunc_t * func)
{
struct sigaction act, oact;
act.sa_handler = func;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
#ifdef SA_INTERRUPT /* SunOS */
act.sa_flags |= SA_INTERRUPT;
#endif
#if defined(__osf__) && defined(__alpha)
/* XXX jeff thinks this should be enabled whenever SA_NOCLDWAIT is defined */
/* this is required on Tru64 to cause child processes to
* disappear gracefully - XPG4 compatible
*/
if ((signo == SIGCHLD) && (func == SIG_IGN)) {
act.sa_flags |= SA_NOCLDWAIT;
}
#endif
#if defined(__NetBSD__) || defined(DARWIN)
/* ignoring SIGCHLD or leaving the default disposition doesn't avoid zombies,
* and there is no SA_NOCLDWAIT flag, so catch the signal and reap status in
* the handler to avoid zombies
*/
if ((signo == SIGCHLD) && (func == SIG_IGN)) {
act.sa_handler = avoid_zombies;
}
#endif
if (sigaction(signo, &act, &oact) < 0)
return SIG_ERR;
return oact.sa_handler;
}
#endif /* HAVE_SIGACTION */
/* AC_DECL_SYS_SIGLIST defines either of these symbols depending
* on the version of autoconf used. */
#if defined(SYS_SIGLIST_DECLARED) || HAVE_DECL_SYS_SIGLIST
void apr_signal_init(apr_pool_t *pglobal)
{
}
const char *apr_signal_description_get(int signum)
{
return (signum >= 0) ? sys_siglist[signum] : "unknown signal (number)";
}
#else /* !(SYS_SIGLIST_DECLARED || HAVE_DECL_SYS_SIGLIST) */
/* we need to roll our own signal description stuff */
#if defined(NSIG)
#define APR_NUMSIG NSIG
#elif defined(_NSIG)
#define APR_NUMSIG _NSIG
#elif defined(__NSIG)
#define APR_NUMSIG __NSIG
#else
#define APR_NUMSIG 33 /* breaks on OS/390 with < 33; 32 is o.k. for most */
#endif
static const char *signal_description[APR_NUMSIG];
#define store_desc(index, string) \
do { \
if (index >= APR_NUMSIG) { \
assert(index < APR_NUMSIG); \
} \
else { \
signal_description[index] = string; \
} \
} while (0)
void apr_signal_init(apr_pool_t *pglobal)
{
int sig;
store_desc(0, "Signal 0");
#ifdef SIGHUP
store_desc(SIGHUP, "Hangup");
#endif
#ifdef SIGINT
store_desc(SIGINT, "Interrupt");
#endif
#ifdef SIGQUIT
store_desc(SIGQUIT, "Quit");
#endif
#ifdef SIGILL
store_desc(SIGILL, "Illegal instruction");
#endif
#ifdef SIGTRAP
store_desc(SIGTRAP, "Trace/BPT trap");
#endif
#ifdef SIGIOT
store_desc(SIGIOT, "IOT instruction");
#endif
#ifdef SIGABRT
store_desc(SIGABRT, "Abort");
#endif
#ifdef SIGEMT
store_desc(SIGEMT, "Emulator trap");
#endif
#ifdef SIGFPE
store_desc(SIGFPE, "Arithmetic exception");
#endif
#ifdef SIGKILL
store_desc(SIGKILL, "Killed");
#endif
#ifdef SIGBUS
store_desc(SIGBUS, "Bus error");
#endif
#ifdef SIGSEGV
store_desc(SIGSEGV, "Segmentation fault");
#endif
#ifdef SIGSYS
store_desc(SIGSYS, "Bad system call");
#endif
#ifdef SIGPIPE
store_desc(SIGPIPE, "Broken pipe");
#endif
#ifdef SIGALRM
store_desc(SIGALRM, "Alarm clock");
#endif
#ifdef SIGTERM
store_desc(SIGTERM, "Terminated");
#endif
#ifdef SIGUSR1
store_desc(SIGUSR1, "User defined signal 1");
#endif
#ifdef SIGUSR2
store_desc(SIGUSR2, "User defined signal 2");
#endif
#ifdef SIGCLD
store_desc(SIGCLD, "Child status change");
#endif
#ifdef SIGCHLD
store_desc(SIGCHLD, "Child status change");
#endif
#ifdef SIGPWR
store_desc(SIGPWR, "Power-fail restart");
#endif
#ifdef SIGWINCH
store_desc(SIGWINCH, "Window changed");
#endif
#ifdef SIGURG
store_desc(SIGURG, "urgent socket condition");
#endif
#ifdef SIGPOLL
store_desc(SIGPOLL, "Pollable event occurred");
#endif
#ifdef SIGIO
store_desc(SIGIO, "socket I/O possible");
#endif
#ifdef SIGSTOP
store_desc(SIGSTOP, "Stopped (signal)");
#endif
#ifdef SIGTSTP
store_desc(SIGTSTP, "Stopped");
#endif
#ifdef SIGCONT
store_desc(SIGCONT, "Continued");
#endif
#ifdef SIGTTIN
store_desc(SIGTTIN, "Stopped (tty input)");
#endif
#ifdef SIGTTOU
store_desc(SIGTTOU, "Stopped (tty output)");
#endif
#ifdef SIGVTALRM
store_desc(SIGVTALRM, "virtual timer expired");
#endif
#ifdef SIGPROF
store_desc(SIGPROF, "profiling timer expired");
#endif
#ifdef SIGXCPU
store_desc(SIGXCPU, "exceeded cpu limit");
#endif
#ifdef SIGXFSZ
store_desc(SIGXFSZ, "exceeded file size limit");
#endif
for (sig = 0; sig < APR_NUMSIG; ++sig)
if (signal_description[sig] == NULL)
signal_description[sig] = apr_psprintf(pglobal, "signal #%d", sig);
}
const char *apr_signal_description_get(int signum)
{
return
(signum >= 0 && signum < APR_NUMSIG)
? signal_description[signum]
: "unknown signal (number)";
}
#endif /* SYS_SIGLIST_DECLARED || HAVE_DECL_SYS_SIGLIST */
#if APR_HAS_THREADS && (HAVE_SIGSUSPEND || APR_HAVE_SIGWAIT) && !defined(OS2)
static void remove_sync_sigs(sigset_t *sig_mask)
{
#ifdef SIGABRT
sigdelset(sig_mask, SIGABRT);
#endif
#ifdef SIGBUS
sigdelset(sig_mask, SIGBUS);
#endif
#ifdef SIGEMT
sigdelset(sig_mask, SIGEMT);
#endif
#ifdef SIGFPE
sigdelset(sig_mask, SIGFPE);
#endif
#ifdef SIGILL
sigdelset(sig_mask, SIGILL);
#endif
#ifdef SIGIOT
sigdelset(sig_mask, SIGIOT);
#endif
#ifdef SIGPIPE
sigdelset(sig_mask, SIGPIPE);
#endif
#ifdef SIGSEGV
sigdelset(sig_mask, SIGSEGV);
#endif
#ifdef SIGSYS
sigdelset(sig_mask, SIGSYS);
#endif
#ifdef SIGTRAP
sigdelset(sig_mask, SIGTRAP);
#endif
/* the rest of the signals removed from the mask in this function
* absolutely must be removed; you cannot block synchronous signals
* (requirement of pthreads API)
*
* SIGUSR2 is being removed from the mask for the convenience of
* Purify users (Solaris, HP-UX, SGI) since Purify uses SIGUSR2
*/
#ifdef SIGUSR2
sigdelset(sig_mask, SIGUSR2);
#endif
}
APR_DECLARE(apr_status_t) apr_signal_thread(int(*signal_handler)(int signum))
{
sigset_t sig_mask;
#if APR_HAVE_SIGWAIT
int (*sig_func)(int signum) = (int (*)(int))signal_handler;
#endif
/* This thread will be the one responsible for handling signals */
sigfillset(&sig_mask);
/* On certain platforms, sigwait() returns EINVAL if any of various
* unblockable signals are included in the mask. This was first
* observed on AIX and Tru64.
*/
#ifdef SIGKILL
sigdelset(&sig_mask, SIGKILL);
#endif
#ifdef SIGSTOP
sigdelset(&sig_mask, SIGSTOP);
#endif
#ifdef SIGCONT
sigdelset(&sig_mask, SIGCONT);
#endif
#ifdef SIGWAITING
sigdelset(&sig_mask, SIGWAITING);
#endif
/* no synchronous signals should be in the mask passed to sigwait() */
remove_sync_sigs(&sig_mask);
/* On AIX (4.3.3, at least), sigwait() won't wake up if the high-
* order bit of the second word of flags is turned on. sigdelset()
* returns an error when trying to turn this off, so we'll turn it
* off manually.
*
* Note that the private fields differ between 32-bit and 64-bit
* and even between _ALL_SOURCE and !_ALL_SOURCE. Except that on
* AIX 4.3 32-bit builds and 64-bit builds use the same definition.
*
* Applicable AIX fixes such that this is no longer needed:
*
* APAR IY23096 for AIX 51B, fix included in AIX 51C, and
* APAR IY24162 for 43X.
*/
#if defined(_AIX)
#if defined(__64BIT__) && defined(_AIXVERSION_510)
#ifdef _ALL_SOURCE
sig_mask.ss_set[3] &= 0x7FFFFFFF;
#else /* not _ALL_SOURCE */
sig_mask.__ss_set[3] &= 0x7FFFFFFF;
#endif
#else /* not 64-bit build, or 64-bit build on 4.3 */
#ifdef _ALL_SOURCE
sig_mask.hisigs &= 0x7FFFFFFF;
#else /* not _ALL_SOURCE */
sig_mask.__hisigs &= 0x7FFFFFFF;
#endif
#endif
#endif /* _AIX */
while (1) {
#if APR_HAVE_SIGWAIT
int signal_received;
if (apr_sigwait(&sig_mask, &signal_received) != 0)
{
/* handle sigwait() error here */
}
if (sig_func(signal_received) == 1) {
return APR_SUCCESS;
}
#elif HAVE_SIGSUSPEND
sigsuspend(&sig_mask);
#else
#error No apr_sigwait() and no sigsuspend()
#endif
}
}
APR_DECLARE(apr_status_t) apr_setup_signal_thread(void)
{
sigset_t sig_mask;
int rv;
/* All threads should mask out signals to be handled by
* the thread doing sigwait().
*
* No thread should ever block synchronous signals.
* See the Solaris man page for pthread_sigmask() for
* some information. Solaris chooses to knock out such
* processes when a blocked synchronous signal is
* delivered, skipping any registered signal handler.
* AIX doesn't call a signal handler either. At least
* one level of linux+glibc does call the handler even
* when the synchronous signal is blocked.
*/
sigfillset(&sig_mask);
remove_sync_sigs(&sig_mask);
#if defined(SIGPROCMASK_SETS_THREAD_MASK) || ! APR_HAS_THREADS
if ((rv = sigprocmask(SIG_SETMASK, &sig_mask, NULL)) != 0) {
rv = errno;
}
#else
if ((rv = pthread_sigmask(SIG_SETMASK, &sig_mask, NULL)) != 0) {
#ifdef HAVE_ZOS_PTHREADS
rv = errno;
#endif
}
#endif
return rv;
}
#endif /* APR_HAS_THREADS && ... */
APR_DECLARE(apr_status_t) apr_signal_block(int signum)
{
#if APR_HAVE_SIGACTION
sigset_t sig_mask;
int rv;
sigemptyset(&sig_mask);
sigaddset(&sig_mask, signum);
#if defined(SIGPROCMASK_SETS_THREAD_MASK) || ! APR_HAS_THREADS
if ((rv = sigprocmask(SIG_BLOCK, &sig_mask, NULL)) != 0) {
rv = errno;
}
#else
if ((rv = pthread_sigmask(SIG_BLOCK, &sig_mask, NULL)) != 0) {
#ifdef HAVE_ZOS_PTHREADS
rv = errno;
#endif
}
#endif
return rv;
#else
return APR_ENOTIMPL;
#endif
}
APR_DECLARE(apr_status_t) apr_signal_unblock(int signum)
{
#if APR_HAVE_SIGACTION
sigset_t sig_mask;
int rv;
sigemptyset(&sig_mask);
sigaddset(&sig_mask, signum);
#if defined(SIGPROCMASK_SETS_THREAD_MASK) || ! APR_HAS_THREADS
if ((rv = sigprocmask(SIG_UNBLOCK, &sig_mask, NULL)) != 0) {
rv = errno;
}
#else
if ((rv = pthread_sigmask(SIG_UNBLOCK, &sig_mask, NULL)) != 0) {
#ifdef HAVE_ZOS_PTHREADS
rv = errno;
#endif
}
#endif
return rv;
#else
return APR_ENOTIMPL;
#endif
}
+334
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/* 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
+129
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/* 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
APR_DECLARE(apr_status_t) apr_threadkey_private_create(apr_threadkey_t **key,
void (*dest)(void *),
apr_pool_t *pool)
{
(*key) = (apr_threadkey_t *)apr_pcalloc(pool, sizeof(apr_threadkey_t));
if ((*key) == NULL) {
return APR_ENOMEM;
}
(*key)->pool = pool;
return pthread_key_create(&(*key)->key, dest);
}
APR_DECLARE(apr_status_t) apr_threadkey_private_get(void **new,
apr_threadkey_t *key)
{
#ifdef PTHREAD_GETSPECIFIC_TAKES_TWO_ARGS
if (pthread_getspecific(key->key,new))
*new = NULL;
#else
(*new) = pthread_getspecific(key->key);
#endif
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_threadkey_private_set(void *priv,
apr_threadkey_t *key)
{
apr_status_t stat;
if ((stat = pthread_setspecific(key->key, priv)) == 0) {
return APR_SUCCESS;
}
else {
return stat;
}
}
APR_DECLARE(apr_status_t) apr_threadkey_private_delete(apr_threadkey_t *key)
{
#ifdef HAVE_PTHREAD_KEY_DELETE
apr_status_t stat;
if ((stat = pthread_key_delete(key->key)) == 0) {
return APR_SUCCESS;
}
return stat;
#else
return APR_ENOTIMPL;
#endif
}
APR_DECLARE(apr_status_t) apr_threadkey_data_get(void **data, const char *key,
apr_threadkey_t *threadkey)
{
return apr_pool_userdata_get(data, key, threadkey->pool);
}
APR_DECLARE(apr_status_t) apr_threadkey_data_set(void *data, const char *key,
apr_status_t (*cleanup)(void *),
apr_threadkey_t *threadkey)
{
return apr_pool_userdata_set(data, key, cleanup, threadkey->pool);
}
APR_DECLARE(apr_status_t) apr_os_threadkey_get(apr_os_threadkey_t *thekey,
apr_threadkey_t *key)
{
*thekey = key->key;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_os_threadkey_put(apr_threadkey_t **key,
apr_os_threadkey_t *thekey,
apr_pool_t *pool)
{
if (pool == NULL) {
return APR_ENOPOOL;
}
if ((*key) == NULL) {
(*key) = (apr_threadkey_t *)apr_pcalloc(pool, sizeof(apr_threadkey_t));
(*key)->pool = pool;
}
(*key)->key = *thekey;
return APR_SUCCESS;
}
#endif /* APR_HAVE_PTHREAD_H */
#endif /* APR_HAS_THREADS */
#if !APR_HAS_THREADS
/* avoid warning for no prototype */
APR_DECLARE(apr_status_t) apr_os_threadkey_get(void);
APR_DECLARE(apr_status_t) apr_os_threadkey_get(void)
{
return APR_ENOTIMPL;
}
#endif