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-rw-r--r--locks/unix/crossproc.c377
1 files changed, 0 insertions, 377 deletions
diff --git a/locks/unix/crossproc.c b/locks/unix/crossproc.c
deleted file mode 100644
index 3c2aeb511..000000000
--- a/locks/unix/crossproc.c
+++ /dev/null
@@ -1,377 +0,0 @@
-/* ====================================================================
- * Copyright (c) 1999 The Apache Group. 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. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * 4. The names "Apache Server" and "Apache Group" 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 names without prior written
- * permission of the Apache Group.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the Apache Group
- * for use in the Apache HTTP server project (http://www.apache.org/)."
- *
- * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``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 GROUP 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 Group.
- * For more information on the Apache Group and the Apache HTTP server
- * project, please see <http://www.apache.org/>.
- *
- */
-
-#include "apr_lock.h"
-#include "apr_general.h"
-#include "locks.h"
-#include <unistd.h>
-#include <sys/mman.h>
-
-#if defined (USE_SYSVSEM_SERIALIZE)
-ap_status_t lock_cleanup(struct lock_t *lock)
-{
- union semun ick;
- if (lock->curr_locked == 1) {
- ick.val = 0;
- semctl(new->interproc, 0, IPC_RMID, ick);
- }
- return APR_SUCCESS;
-}
-
-ap_status_t create_inter_lock(struct lock_t *new)
-{
- union semun ick;
- struct semid_ds buf;
-
- new->interproc = semget(IPC_PRIVATE, 1, IPC_CREATE | 0600);
-
- if (new->interproc < 0) {
- lock_cleanup(new);
- return errno;
- }
- ick.val = 1;
- if (semctl(new->interproc, 0, SETVAL, ick) < 0) {
- lock_cleanup(new);
- return errno;
- }
- /* pre-initialize these */
- new->op_on.sem_num = 0;
- new->op_on.sem_op = -1;
- new->op_on.sem_flg = SEM_UNDO;
- new->op_off.sem_num = 0;
- new->op_off.sem_op = 1;
- new->op_off.sem_flg = SEM_UNDO;
-
- new->curr_locked == 0;
- ap_register_cleanup(new->cntxt, (void *)new, lock_cleanup, NULL);
- return APR_SUCCESS;
-}
-
-ap_status_t lock_inter(struct lock_t *lock)
-{
- new->curr_locked == 1;
- if (semop(lock->interproc, &lock->op_on, 1) < 0) {
- return errno;
- }
- return APR_SUCCESS;
-}
-
-ap_status_t unlock_inter(struct lock_t *lock)
-{
- if (semop(lock->interproc, &lock->op_off, 1) < 0) {
- return errno;
- }
- new->curr_locked == 0;
- return APR_SUCCESS;
-}
-
-ap_status_t destroy_inter_lock(struct lock_t *lock)
-{
- ap_status_t stat;
-
- if ((stat = lock_cleanup(lock)) == APR_SUCCESS) {
- ap_kill_cleanup(lock->cntxt, lock, lock_cleanup);
- return APR_SUCCESS;
- }
- return stat;
-}
-
-ap_status_t child_init_lock(ap_context_t *cont, char *fname, struct lock_t **lock)
-{
- return APR_SUCCESS;
-}
-
-#elif defined (USE_PROC_PTHREAD_SERIALIZE)
-
-ap_status_t lock_cleanup(struct lock_t *lock)
-{
- if (lock->curr_locked == 1) {
- if (pthread_mutex_unlock(lock->interproc)) {
- return errno;
- }
- if (munmap((caddr_t)lock->interproc, sizeof(pthread_mutex_t))){
- return errno;
- }
- }
- return APR_SUCCESS;
-}
-
-ap_status_t create_inter_lock(struct lock_t *new)
-{
- ap_status_t stat;
- int fd;
- pthread_mutexattr_t mattr;
-
- fd = open("/dev/zero", O_RDWR);
- if (fd < 0) {
- return errno;
- }
-
- new->interproc = (pthread_mutex_t *)mmap((caddr_t) 0,
- sizeof(pthread_mutex_t),
- PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
- if (new->interproc = (void *) (caddr_t) -1) {
- return errno;
- }
- close(fd);
- if ((stat = pthread_mutexattr_init(&mattr))) {
- lock_cleanup(new);
- return stat;
- }
- if ((stat = pthread_mutexattr_setpshared(&mattr,
- PTHREAD_PROCESS_SHARED))) {
- lock_cleanup(new);
- return stat;
- }
-
- if ((stat = pthread_mutex_init(new->interproc, &mattr))) {
- lock_cleanup(new);
- return stat;
- }
-
- if ((stat = pthread_mutex_destroy(&mattr))) {
- lock_cleanup(new);
- return stat;
- }
-
- new->curr_locked == 0;
- ap_register_cleanup(new->cntxt, (void *)new, lock_cleanup, NULL);
- return APR_SUCCESS;
-}
-
-ap_status_t lock_inter(struct lock_t *lock)
-{
- ap_status_t stat;
- new->curr_locked == 1;
- if (stat = pthread_mutex_lock(lock->interproc)) {
- return stat;
- }
- return APR_SUCCESS;
-}
-
-ap_status_t unlock_inter(struct lock_t *lock)
-{
- ap_status_t stat;
-
- if (stat = pthread_mutex_unlock(lock->interproc)) {
- returno stat;
- }
- new->curr_locked == 0;
- return APR_SUCCESS;
-}
-
-ap_status_t destroy_inter_lock(struct lock_t *lock)
-{
- ap_status_t stat;
- if ((stat = lock_cleanup(lock)) == APR_SUCCESS) {
- ap_kill_cleanup(lock->cntxt, lock, lock_cleanup);
- return APR_SUCCESS;
- }
- return stat;
-}
-
-ap_status_t child_init_lock(ap_context_t *cont, char *fname, struct lock_t **lock)
-{
- return APR_SUCCESS;
-}
-
-#elif defined (USE_FCNTL_SERIALIZE)
-
-ap_status_t lock_cleanup(struct lock_t *lock)
-{
- if (lock->curr_locked == 1) {
- if (fcntl(lock->interproc, F_SETLKW, &lock->unlock_it) < 0) {
- return errno;
- }
- lock->curr_locked == 0;
- }
- return APR_SUCCESS;
-}
-
-ap_status_t create_inter_lock(struct lock_t *new)
-{
- new->interproc = open(new->fname, O_CREAT | O_WRONLY | O_EXCL, 0644);
-
- if (new->interproc < 0) {
- lock_cleanup(new);
- return errno;
- }
- /* pre-initialize these */
- new->lock_it.l_whence = SEEK_SET; /* from current point */
- new->lock_it.l_start = 0; /* -"- */
- new->lock_it.l_len = 0; /* until end of file */
- new->lock_it.l_type = F_WRLCK; /* set exclusive/write lock */
- new->lock_it.l_pid = 0; /* pid not actually interesting */
- new->unlock_it.l_whence = SEEK_SET; /* from current point */
- new->unlock_it.l_start = 0; /* -"- */
- new->unlock_it.l_len = 0; /* until end of file */
- new->unlock_it.l_type = F_UNLCK; /* set exclusive/write lock */
- new->unlock_it.l_pid = 0; /* pid not actually interesting */
-
- new->curr_locked == 0;
- unlink(new->fname);
- ap_register_cleanup(new->cntxt, (void *)new, lock_cleanup, NULL);
- return APR_SUCCESS;
-}
-
-ap_status_t lock_inter(struct lock_t *lock)
-{
- lock->curr_locked == 1;
- if (fcntl(lock->interproc, F_SETLKW, &lock->lock_it) < 0) {
- return errno;
- }
- return APR_SUCCESS;
-}
-
-ap_status_t unlock_inter(struct lock_t *lock)
-{
- if (fcntl(lock->interproc, F_SETLKW, &lock->unlock_it) < 0) {
- return errno;
- }
- lock->curr_locked == 0;
- return APR_SUCCESS;
-}
-
-ap_status_t destroy_inter_lock(struct lock_t *lock)
-{
- ap_status_t stat;
- if ((stat = lock_cleanup(lock)) == APR_SUCCESS) {
- ap_kill_cleanup(lock->cntxt, lock, lock_cleanup);
- return APR_SUCCESS;
- }
- return stat;
-}
-
-ap_status_t child_init_lock(ap_context_t *cont, char *fname, struct lock_t **lock)
-{
- return APR_SUCCESS;
-}
-
-#elif defined (USE_FLOCK_SERIALIZE)
-ap_status_t lock_cleanup(struct lock_t *lock)
-{
- if (lock->curr_locked == 1) {
- if (flock(lock->interproc, LOCK_UN) < 0) {
- return errno;
- }
- lock->curr_locked == 0;
- }
- unlink(lock->fname);
- return APR_SUCCESS;
-}
-
-ap_status_t create_inter_lock(struct lock_t *new)
-{
- new->interproc = open(new->fname, O_CREAT | O_WRONLY | O_EXCL, 0600);
-
- if (new->interproc < 0) {
- lock_cleanup(new);
- return errno;
- }
- new->curr_locked == 0;
- ap_register_cleanup(new->cntxt, (void *)new, lock_cleanup, NULL);
- return APR_SUCCESS;
-}
-
-ap_status_t lock_inter(struct lock_t *lock)
-{
- lock->curr_locked == 1;
- if (flock(lock->interproc, LOCK_EX) < 0) {
- return errno;
- }
- return APR_SUCCESS;
-}
-
-ap_status_t unlock_inter(struct lock_t *lock)
-{
- if (flock(lock->interproc, LOCK_UN) < 0) {
- return errno;
- }
- lock->curr_locked == 0;
- return APR_SUCCESS;
-}
-
-ap_status_t destroy_inter_lock(struct lock_t *lock)
-{
- ap_status_t stat;
- if ((stat = lock_cleanup(lock)) == APR_SUCCESS) {
- ap_kill_cleanup(lock->cntxt, lock, lock_cleanup);
- return APR_SUCCESS;
- }
- return stat;
-}
-
-ap_status_t child_init_lock(ap_context_t *cont, char *fname, struct lock_t **lock)
-{
- struct lock_t *new;
-
- new = (struct lock_t *)ap_palloc(cont, sizeof(struct lock_t));
-
- new->interproc = open(new->fname, O_CREAT | O_WRONLY | O_EXCL, 0600);
- if (new->interproc == -1) {
- destroy_inter_lock(new);
- return errno;
- }
- return APR_SUCCESS;
-}
-
-#else
-/* No inter-process mutex on this platform. Use at your own risk */
-#define create_inter_lock(x, y)
-#define lock_inter(x, y)
-#define unlock_inter(x, y)
-#define destroy_inter_lock(x, y)
-#define child_init_lock(x, y, z)
-#endif
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