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Posted to commits@apr.apache.org by je...@apache.org on 2002/01/12 19:32:08 UTC
cvs commit: apr/test testshm.c Makefile.in
jerenkrantz 02/01/12 10:32:07
Modified: test Makefile.in
Added: test testshm.c
Log:
Add testshm.c
Revision Changes Path
1.75 +3 -0 apr/test/Makefile.in
Index: Makefile.in
===================================================================
RCS file: /home/cvs/apr/test/Makefile.in,v
retrieving revision 1.74
retrieving revision 1.75
diff -u -r1.74 -r1.75
--- Makefile.in 12 Jan 2002 18:04:13 -0000 1.74
+++ Makefile.in 12 Jan 2002 18:32:07 -0000 1.75
@@ -169,4 +169,7 @@
testrand@EXEEXT@: testrand.lo $(LOCAL_LIBS)
$(LINK) testrand.lo $(LOCAL_LIBS) $(ALL_LIBS)
+testshm@EXEEXT@: testshm.lo $(LOCAL_LIBS)
+ $(LINK) testshm.lo $(LOCAL_LIBS) $(ALL_LIBS)
+
# DO NOT REMOVE
1.1 apr/test/testshm.c
Index: testshm.c
===================================================================
/* ====================================================================
* 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 "apr_shm.h"
#include "apr_errno.h"
#include "apr_general.h"
#include "apr_lib.h"
#include "apr_strings.h"
#include "apr_time.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#if APR_HAVE_UNISTD_H
#include <unistd.h>
#endif
#if APR_HAS_SHARED_MEMORY
typedef struct mbox {
char msg[1024];
int msgavail;
} mbox;
mbox *boxes;
#define N_BOXES 10
#define N_MESSAGES 100
#define SHARED_SIZE (apr_size_t)(N_BOXES * sizeof(mbox))
#define SHARED_FILENAME "/tmp/apr.testshm.shm"
static void msgwait(int sleep_sec, int first_box, int last_box)
{
int i;
apr_time_t start = apr_time_now();
while (apr_time_now() - start < sleep_sec * APR_USEC_PER_SEC) {
for (i = first_box; i < last_box; i++) {
if (boxes[i].msgavail) {
fprintf(stdout, "received a message in box %d, message was: %s\n",
i, boxes[i].msg);
boxes[i].msgavail = 0; /* reset back to 0 */
}
}
apr_sleep(1*APR_USEC_PER_SEC/100);
}
fprintf(stdout, "done waiting on mailboxes...\n");
}
static void msgput(int boxnum, char *msg)
{
fprintf(stdout, "Sending message to box %d\n", boxnum);
apr_cpystrn(boxes[boxnum].msg, msg, strlen(msg));
boxes[boxnum].msgavail = 1;
}
static apr_status_t test_anon(apr_pool_t *parpool)
{
apr_status_t rv;
apr_pool_t *pool;
apr_shm_t *shm;
apr_size_t retsize;
pid_t pid;
int cnt, i, exit_int;
rv = apr_pool_create(&pool, parpool);
if (rv != APR_SUCCESS) {
fprintf(stderr, "Error creating child pool\n");
return rv;
}
printf("Creating anonymous shared memory block (%"
APR_SIZE_T_FMT " bytes)........", SHARED_SIZE);
rv = apr_shm_create(&shm, SHARED_SIZE, NULL, pool);
if (rv != APR_SUCCESS) {
fprintf(stderr, "Error allocating shared memory block\n");
return rv;
}
fprintf(stdout, "OK\n");
printf("Checking size...%" APR_SIZE_T_FMT " bytes...",
retsize = apr_shm_size_get(shm));
if (retsize != SHARED_SIZE) {
fprintf(stderr, "Error allocating shared memory block\n");
return rv;
}
fprintf(stdout, "OK\n");
printf("Allocating shared mbox memory for %d boxes ..............",
N_BOXES);
boxes = apr_shm_baseaddr_get(shm);
if (boxes == NULL) {
fprintf(stderr, "Error creating message boxes.\n");
return rv;
}
fprintf(stdout, "OK\n");
printf("Shared Process Test (child/parent)\n");
pid = fork();
if (pid == 0) { /* child */
msgwait(5, 0, N_BOXES);
exit(0);
}
else if (pid > 0) { /* parent */
i = N_BOXES;
cnt = N_MESSAGES;
while (--cnt > 0) {
if ((i-=3) < 0) {
i += N_BOXES; /* start over at the top */
}
msgput(i, "Sending a message\n");
apr_sleep(1*APR_USEC_PER_SEC/100);
}
}
else {
printf("Error creating a child process\n");
return errno;
}
/* wait for the child */
printf("Waiting for child to exit.\n");
if (waitpid(pid, &exit_int, 0) < 0) {
return errno;
}
apr_pool_destroy(pool);
return APR_SUCCESS;
}
static apr_status_t test_named(apr_pool_t *parpool)
{
apr_status_t rv;
apr_pool_t *pool;
apr_shm_t *shm;
apr_size_t retsize;
pid_t pidproducer, pidconsumer;
int exit_int;
rv = apr_pool_create(&pool, parpool);
if (rv != APR_SUCCESS) {
fprintf(stderr, "Error creating child pool\n");
return rv;
}
printf("Creating named shared memory block (%"
APR_SIZE_T_FMT " bytes)........", SHARED_SIZE);
rv = apr_shm_create(&shm, SHARED_SIZE, SHARED_FILENAME, pool);
if (rv != APR_SUCCESS) {
fprintf(stderr, "Error allocating shared memory block\n");
return rv;
}
fprintf(stdout, "OK\n");
printf("Checking size...%" APR_SIZE_T_FMT " bytes...",
retsize = apr_shm_size_get(shm));
if (retsize != SHARED_SIZE) {
fprintf(stderr, "Error allocating shared memory block\n");
return rv;
}
fprintf(stdout, "OK\n");
printf("Allocating shared mbox memory for %d boxes ..............",
N_BOXES);
boxes = apr_shm_baseaddr_get(shm);
if (boxes == NULL) {
fprintf(stderr, "Error creating message boxes.\n");
return rv;
}
fprintf(stdout, "OK\n");
printf("Non-related Processes Test\n");
pidproducer = fork();
if (pidproducer == 0) { /* child */
/* FIXME: exec a producer */
printf("starting consumer\n");
if (execlp("testshmconsumer", "testshmconsumer", (char*)0) < 0) {
return errno;
}
}
else if (pidproducer > 0) { /* parent */
/* fork another child */
pidconsumer = fork();
if (pidconsumer == 0) { /* child */
/* FIXME: exec a producer */
printf("starting producer\n");
if (execlp("testshmproducer", "testshmproducer", (char*)0) < 0) {
return errno;
}
}
else if (pidconsumer < 0) { /* parent */
printf("Error creating a child process\n");
return errno;
}
}
else {
printf("Error creating a child process\n");
return errno;
}
/* wait for the child */
printf("Waiting for producer to exit.\n");
if (waitpid(pidconsumer, &exit_int, 0) < 0) {
return errno;
}
printf("Waiting for consumer to exit.\n");
if (waitpid(pidproducer, &exit_int, 0) < 0) {
return errno;
}
apr_pool_destroy(pool);
return APR_SUCCESS;
}
int main(void)
{
apr_status_t rv;
apr_pool_t *pool;
char errmsg[200];
apr_initialize();
printf("APR Shared Memory Test\n");
printf("======================\n\n");
printf("Initializing the pool............................");
if (apr_pool_create(&pool, NULL) != APR_SUCCESS) {
printf("could not initialize pool\n");
exit(-1);
}
printf("OK\n");
rv = test_anon(pool);
if (rv != APR_SUCCESS) {
if (rv == APR_ENOTIMPL) {
printf("Anonymous shared memory unavailable on this platform.\n");
}
else {
printf("Anonymous shared memory test FAILED: [%d] %s\n",
rv, apr_strerror(rv, errmsg, sizeof(errmsg)));
exit(-2);
}
}
printf("Anonymous shared memory test passed!\n");
if (test_named(pool) != APR_SUCCESS) {
printf("Name-based shared memory test FAILED: [%d] %s \n",
rv, apr_strerror(rv, errmsg, sizeof(errmsg)));
exit(-3);
}
printf("Named shared memory test passed!\n");
return 0;
}
#else /* APR_HAS_SHARED_MEMORY */
#error shmem is not supported on this platform
#endif /* APR_HAS_SHARED_MEMORY */