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si.cpp
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si.cpp
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/*******************************************************************************
* Copyright (c) 1991, 2021 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at http://eclipse.org/legal/epl-2.0
* or the Apache License, Version 2.0 which accompanies this distribution
* and is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception [1] and GNU General Public
* License, version 2 with the OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
/*
* $RCSfile: si.c,v $
* $Revision: 1.64 $
* $Date: 2012-12-05 05:27:54 $
*/
#if defined(J9ZOS390)
#define _UNIX03_SOURCE
#endif
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#if defined(OMR_OS_WINDOWS)
#include <direct.h>
#endif /* defined(OMR_OS_WINDOWS) */
#if !defined(OMR_OS_WINDOWS)
#include <grp.h>
#include <errno.h>
#if defined(J9ZOS390)
#include <limits.h>
#else
#define __STDC_LIMIT_MACROS
#include <stdint.h> /* For INT64_MAX. */
#endif /* defined(J9ZOS390) */
#include <sys/resource.h> /* For RLIM_INFINITY */
#endif /* !defined(OMR_OS_WINDOWS) */
#if defined(J9ZOS390) && !defined(OMR_EBCDIC)
#include "atoe.h"
#endif
#include "testHelpers.hpp"
#if defined(OMR_OS_WINDOWS)
#define J9DIRECTORY_SEPARATOR_CHARACTER '\\'
#define J9FILE_EXTENSION ".exe"
#define J9FILE_EXTENSION_LENGTH (sizeof(J9FILE_EXTENSION) - 1)
#else
#define J9DIRECTORY_SEPARATOR_CHARACTER '/'
#endif /* defined(OMR_OS_WINDOWS) */
/* Under the standard compiler configuration, INT64_MAX is
* not available; instead, LONGLONG_MAX is defined by xLC.
*/
#if defined(J9ZOS390) && !defined(INT64_MAX)
#define INT64_MAX LONGLONG_MAX
#endif /* defined(J9ZOS390) && !defined(INT64_MAX) */
/**
* @brief Function takes an expected name for an executable and also the name that was actually
* found using the Port API. It then tries to match these, in a OS specific manner. For example,
* on Unices (and z/OS), executables names could be ./exec or full-path to the executable; on
* windows we do not require ./ as long as the executable is in the current directory, and so on.
*
* @param expected The expected executable name (typically, argv[0]).
* @param found The executable name as found by the Port API.
*
* @return Boolean true, if the names match; false, otherwise.
*/
BOOLEAN
validate_executable_name(const char *expected, const char *found)
{
const char *expected_base_path = NULL;
uintptr_t expected_length = 0;
const char *found_base_path = NULL;
uintptr_t found_length = 0;
uintptr_t length = 0;
if ((NULL == expected) || (NULL == found)) {
return FALSE;
}
/* Extract the executable name from the expected path and path found. Compare these. */
expected_base_path = strrchr(expected, J9DIRECTORY_SEPARATOR_CHARACTER);
/* Move past the directory separator, if found. */
expected_base_path = (NULL != expected_base_path) ? (expected_base_path + 1) : expected;
expected_length = strlen(expected_base_path);
found_base_path = strrchr(found, J9DIRECTORY_SEPARATOR_CHARACTER);
/* Move past the directory separator, if found. */
found_base_path = (NULL != found_base_path) ? (found_base_path + 1) : found;
found_length = strlen(found_base_path);
length = found_length;
/* On Windows, disregard comparing the extension, should this be dropped on the command
* line (API always returns executable name including the extension (.exe).
*/
#if defined(OMR_OS_WINDOWS)
/* Check whether argv0 ends with the extension ".exe". If not, we need to reduce
* the number of characters to compare (against the executable name found by API).
*/
if (strncmp(expected_base_path + (expected_length - J9FILE_EXTENSION_LENGTH),
J9FILE_EXTENSION,
J9FILE_EXTENSION_LENGTH) != 0) {
length -= J9FILE_EXTENSION_LENGTH;
}
#endif /* defined(OMR_OS_WINDOWS) */
if (length == expected_length) {
if (strncmp(found_base_path, expected_base_path, length) == 0) {
return TRUE;
}
}
return FALSE;
}
#define CPU_BURNER_BUFF_SIZE 10000
static uintptr_t
cpuBurner(OMRPortLibrary *portLibrary, const char *myText)
{
/* burn up CPU */
uintptr_t counter = 0;
char buffer[CPU_BURNER_BUFF_SIZE];
char *result = NULL;
for (counter = 0; counter < CPU_BURNER_BUFF_SIZE; ++counter) {
buffer[counter] = 0;
}
for (counter = 0; (strlen(buffer) + strlen(myText) + 1) < CPU_BURNER_BUFF_SIZE; ++counter) {
result = strcat(buffer, myText);
if (NULL != strstr(result, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaab")) {
return 0;
}
}
return 1;
}
TEST(PortSysinfoTest, sysinfo_test0)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
intptr_t rc = 0;
char *executable_name = NULL;
const char *testName = "omrsysinfo_test0";
char *argv0 = portTestEnv->_argv[0];
reportTestEntry(OMRPORTLIB, testName);
#if defined(OMR_OS_WINDOWS)
/* Remove extra "./" from the front of executable name. */
if (0 == strncmp(argv0, "./", 2)) {
argv0 = &argv0[2];
}
/* When this test is invoked from a Windows machine, the input in `argv` may have forward or back slashes. To avoid false
* negatives we normalize the path names to use forward slashes always.
*/
for (char* cursor = argv0; *cursor != '\0'; ++cursor) {
if (*cursor == '/') {
*cursor = '\\';
}
}
#endif /* defined(OMR_OS_WINDOWS) */
rc = omrsysinfo_get_executable_name(NULL, &executable_name);
if (-1 == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, " Executable name test failed: (rc = %d).\n", rc);
goto done;
}
if (validate_executable_name(argv0, /* expected */
executable_name /* found through API */
)
) {
portTestEnv->log("Executable name test passed.\n"
"Expected (argv0=%s).\n Found=%s.\n",
argv0,
executable_name);
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "Executable name test failed.\n"
" Expected (argv0=%s).\n Found=%s.\n",
argv0,
executable_name);
goto done;
}
#if 0
/* TODO: Old tests that has yet to convert to the new format.
* Convert these tests to newer form, on an "as need" basis.
*/
uint32_t pid;
int32_t bufSize = 575; /*should sizeof(infoStirng), */
U_16 classpathSeparator;
uintptr_t number_CPUs;
char *result;
const char *osName, *osType, *osVersion,
char infoString[1000], envVar[100];
HEADING(OMRPORTLIB, "SysInfo (si) test");
pid = omrsysinfo_get_pid();
portTestEnv->log("PLT pid=%d\n", pid);
osVersion = omrsysinfo_get_OS_version();
portTestEnv->log("OSversion=%s\n" osVersion ? osVersion : "NULL");
strcpy(envVar, "PATH"); /*case matters?*/
/*check rc before use: -1=BOGUS 0=good else nowrite, rc=varLength*/
rc = omrsysinfo_get_env(envVar, infoString, bufSize);
portTestEnv->log("%s=%s\nbufSize=%d rc=%d\n\n", envVar, infoString, bufSize, rc);
/*
* note: tty_printf has a implementation-dependent limit on out chars
* printf("\n\n%s=%s bufSize=%d rc=%d\n\n",envVar,infoString,bufSize,rc);
*/
osName = omrsysinfo_get_CPU_architecture();
portTestEnv->log("CPU architecture=%s\n", osName ? osName : "NULL");
osType = omrsysinfo_get_OS_type();
portTestEnv->log("OS type=%s\n", osType ? osType : "NULL");
/*SHOULD omrmem_free_memory() result, eh!!!!!! argv[0] not really used*/
/*check rc before use: 0=good -1=error ???*/
number_CPUs = omrsysinfo_get_number_CPUs_by_type(OMRPORT_CPU_ONLINE);
portTestEnv->log("number of CPU(s)=%d\n", number_CPUs);
portTestEnv->log("SI test done!\n\n");
#endif
done:
reportTestExit(OMRPORTLIB, testName);
}
/*
* Test various aspect of omrsysinfo_get_username
*/
TEST(PortSysinfoTest, sysinfo_test1)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
#define J9SYSINFO_TEST1_USERNAME_LENGTH 1024
const char *testName = "omrsysinfo_test1";
char username[J9SYSINFO_TEST1_USERNAME_LENGTH];
intptr_t length, rc;
reportTestEntry(OMRPORTLIB, testName);
rc = omrsysinfo_get_username(username, J9SYSINFO_TEST1_USERNAME_LENGTH);
if (rc == -1) {
portTestEnv->log(LEVEL_ERROR, "omrsysinfo_get_username returns -1.\n");
portTestEnv->log(LEVEL_ERROR, "If this is a supported platform, consider this as a failure\n");
reportTestExit(OMRPORTLIB, testName);
return;
} else {
char msg[256] = "";
omrstr_printf(msg, sizeof(msg), "User name returned = \"%s\"\n", username);
portTestEnv->log(msg);
}
length = strlen(username);
rc = omrsysinfo_get_username(username, length - 1);
if (length > rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "Error if username buffer is too short: rc= %d, Expecting %d\n", rc, 1);
}
reportTestExit(OMRPORTLIB, testName);
}
TEST(PortSysinfoTest, hostname_test)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
#define J9SYSINFO_HOSTNAME_LENGTH 1024
const char *testName = "omrsysinfo_hostname_test";
char hostname[J9SYSINFO_HOSTNAME_LENGTH];
intptr_t rc = 0;
reportTestEntry(OMRPORTLIB, testName);
rc = omrsysinfo_get_hostname(hostname, J9SYSINFO_HOSTNAME_LENGTH);
if (rc == -1) {
portTestEnv->log(LEVEL_ERROR, "omrsysinfo_get_hostname returned -1.\n");
reportTestExit(OMRPORTLIB, testName);
return;
} else {
char msg[256] = "";
omrstr_printf(msg, sizeof(msg), "Host name returned = \"%s\"\n", hostname);
portTestEnv->log(msg);
}
/* Don't check for buffers that are too small, since the call to gethostname() will
* silently truncate the name and return 0 on some platforms, e.g. MacOS.
*/
reportTestExit(OMRPORTLIB, testName);
}
TEST(PortSysinfoTest, sysinfo_test2)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
#define J9SYSINFO_TEST2_GROUPNAME_LENGTH 1024
const char *testName = "omrsysinfo_test2";
char groupname[J9SYSINFO_TEST2_GROUPNAME_LENGTH];
intptr_t length, rc;
reportTestEntry(OMRPORTLIB, testName);
rc = omrsysinfo_get_groupname(groupname, J9SYSINFO_TEST2_GROUPNAME_LENGTH);
if (rc == -1) {
portTestEnv->log(LEVEL_ERROR, "omrsysinfo_get_groupname returns -1.\n");
portTestEnv->log(LEVEL_ERROR, "If this is a supported platform, consider this as a failure\n");
reportTestExit(OMRPORTLIB, testName);
return;
} else {
char msg[256] = "";
omrstr_printf(msg, sizeof(msg), "Group name returned = \"%s\"\n", groupname);
portTestEnv->log(msg);
}
length = strlen(groupname);
rc = omrsysinfo_get_groupname(groupname, length - 1);
if (length > rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "Error if groupname buffer is too short: rc= %d, Expecting %d\n", rc, 1);
}
reportTestExit(OMRPORTLIB, testName);
}
TEST(PortSysinfoTest, sysinfo_get_OS_type_test)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
#define J9SYSINFO_TEST3_OSNAME_LENGTH 1024
const char *testName = "omrsysinfo_get_OS_type_test";
const char *osName = NULL;
const char *osVersion = NULL;
reportTestEntry(OMRPORTLIB, testName);
osName = omrsysinfo_get_OS_type();
if (osName == NULL) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_OS_type returned NULL - expected OS name.\n", 0, 1);
reportTestExit(OMRPORTLIB, testName);
return;
} else {
char msg[256];
omrstr_printf(msg, sizeof(msg), "omrsysinfo_get_OS_type returned : \"%s\"\n", osName);
portTestEnv->log(msg);
}
osVersion = omrsysinfo_get_OS_version();
if (osVersion == NULL) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_OS_version returned NULL - expected OS name.\n", 0, 1);
reportTestExit(OMRPORTLIB, testName);
return;
} else {
char msg[256];
omrstr_printf(msg, sizeof(msg), "omrsysinfo_get_OS_version returned : \"%s\"\n", osVersion);
portTestEnv->log(msg);
}
#if defined(OMR_OS_WINDOWS)
if (NULL == strstr(osName, "Windows")) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_OS_version does not contain \"Windows\".\n", 0, 1);
reportTestExit(OMRPORTLIB, testName);
return;
} else if (0 == strcmp(osName, "Windows")) {
/*
* This means we are running a new, unrecognized version of Windows. We need to update omrsysinfo_get_OS_type
* to recognize the specific version.
*/
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_OS_version returned the default Windows version.\n", 0, 1);
reportTestExit(OMRPORTLIB, testName);
return;
}
#endif /* defined(OMR_OS_WINDOWS) */
reportTestExit(OMRPORTLIB, testName);
}
TEST(PortSysinfoTest, sysinfo_test3)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
const char *testName = "omrsysinfo_test3";
J9PortSysInfoLoadData loadData;
intptr_t rc;
reportTestEntry(OMRPORTLIB, testName);
rc = omrsysinfo_get_load_average(&loadData);
if (rc == -1) {
portTestEnv->log(LEVEL_ERROR, "omrsysinfo_get_load_average returns -1.\n");
portTestEnv->log(LEVEL_ERROR, "If this is a supported platform, consider this as a failure\n");
reportTestExit(OMRPORTLIB, testName);
return;
} else {
portTestEnv->log("Returned data\n");
portTestEnv->log("One Minute Average: %lf\n", loadData.oneMinuteAverage);
portTestEnv->log("Five Minute Average: %lf\n", loadData.fiveMinuteAverage);
portTestEnv->log("Fifteen Minute Average: %lf\n", loadData.fifteenMinuteAverage);
}
reportTestExit(OMRPORTLIB, testName);
}
TEST(PortSysinfoTest, sysinfo_test_sysinfo_ulimit_iterator)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
const char *testName = "omrsysinfo_test_sysinfo_ulimit_iterator";
int32_t rc = 0;
J9SysinfoLimitIteratorState state;
J9SysinfoUserLimitElement element;
reportTestEntry(OMRPORTLIB, testName);
portTestEnv->changeIndent(1);
rc = omrsysinfo_limit_iterator_init(&state);
if (0 != rc) {
if (OMRPORT_ERROR_NOT_SUPPORTED_ON_THIS_PLATFORM == rc) {
portTestEnv->log(LEVEL_ERROR, "This platform does not support the limit iterator\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tomrsysinfo_limit_iterator_init returned: %i\n", rc);
}
goto done;
}
while (omrsysinfo_limit_iterator_hasNext(&state)) {
rc = omrsysinfo_limit_iterator_next(&state, &element);
if (0 == rc) {
portTestEnv->log("%s:\n", element.name);
if (OMRPORT_LIMIT_UNLIMITED == element.softValue) {
portTestEnv->log(" soft: unlimited\n");
} else {
portTestEnv->log(" soft: 0x%zX\n", element.softValue);
}
if (OMRPORT_LIMIT_UNLIMITED == element.hardValue) {
portTestEnv->log(" hard: unlimited\n");
} else {
portTestEnv->log(" hard: 0x%zX\n", element.hardValue);
}
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tomrsysinfo_limit_iterator_next returned: %i when 0 was expected\n", rc);
}
}
done:
portTestEnv->changeIndent(-1);
reportTestExit(OMRPORTLIB, testName);
}
/**
*
* Test the iterator by supplying it with a:
*
* 1. NULL buffer
* 2. Buffer that is big enough for the entire environment
* 3. Buffer that is big enough to contain an env var, but not big enough for the entire environment
* 4. non-null buffer that is not big enough to contain an env var.
*
* In cases but the first (null buffer) attempt to iterate.
*/
TEST(PortSysinfoTest, sysinfo_test_sysinfo_env_iterator)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
const char *testName = "omrsysinfo_test_sysinfo_env_iterator";
int32_t rc = 0;
intptr_t envSize = 0;
J9SysinfoEnvIteratorState state;
J9SysinfoEnvElement element;
void *buffer = NULL;
uint32_t bufferSizeBytes = 0;
int l = 0;
#undef SI_DEBUG
reportTestEntry(OMRPORTLIB, testName);
portTestEnv->changeIndent(1);
/* Test 1: NULL buffer - Pass in NULL for buffer, make sure we get back a positive integer describing the size, or a crash */
buffer = NULL;
rc = omrsysinfo_env_iterator_init(&state, buffer, bufferSizeBytes);
if (rc < 0) {
if (OMRPORT_ERROR_NOT_SUPPORTED_ON_THIS_PLATFORM == rc) {
portTestEnv->log(LEVEL_ERROR, "This platform does not support the env iterator\n");
} else if (OMRPORT_ERROR_SYSINFO_ENV_INIT_CRASHED_COPYING_BUFFER == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tCrash passing in NULL buffer while running single-threaded. This is a failure because no-one else should have been able to modify it\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tomrsysinfo_env_iterator_init returned: %i\n", rc);
}
goto done;
} else {
envSize = rc;
#if defined(SI_DEBUG)
portTestEnv->log("Need a buffer of size %x bytes\n", envSize);
#endif
}
/* Test 2: Buffer that is big enough for the entire environment */
buffer = omrmem_allocate_memory(envSize, OMRMEM_CATEGORY_PORT_LIBRARY);
if (NULL == buffer) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "OutOfMemory allocating buffer for test - where's all the memory?");
goto done;
}
bufferSizeBytes = (uint32_t)envSize;
rc = omrsysinfo_env_iterator_init(&state, buffer, bufferSizeBytes);
if (rc != 0) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tomrsysinfo_env_iterator_init returned: %i\n", rc);
goto done;
}
portTestEnv->log("Environment:\n\n");
l = 0;
while (omrsysinfo_env_iterator_hasNext(&state)) {
rc = omrsysinfo_env_iterator_next(&state, &element);
if (0 == rc) {
portTestEnv->log("%s\n", element.nameAndValue);
l++;
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tomrsysinfo_env_iterator_next returned: %i when 0 was expected\n", rc);
goto done;
break;
}
}
/* Test3: Buffer that is big enough to contain an env var, but not big enough for the entire environment */
omrmem_free_memory(buffer);
bufferSizeBytes = (uint32_t)envSize - 100;
buffer = omrmem_allocate_memory(bufferSizeBytes, OMRMEM_CATEGORY_PORT_LIBRARY);
if (NULL == buffer) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "OutOfMemory allocating buffer for test - where's all the memory?");
goto done;
}
rc = omrsysinfo_env_iterator_init(&state, buffer, bufferSizeBytes);
if (rc < 0) {
if (OMRPORT_ERROR_SYSINFO_ENV_INIT_CRASHED_COPYING_BUFFER == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tCrash passing in NULL buffer while running single-threaded. This is a failure because no-one else should have been able to modify it\n");
}
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tomrsysinfo_env_iterator_init returned: %i\n", rc);
goto done;
} else {
envSize = rc;
#if defined(SI_DEBUG)
portTestEnv->log("Should have a buffer of size %x bytes, using one of size %x instead, which will result in a truncated environment\n", envSize, bufferSizeBytes);
#endif
}
l = 0;
while (omrsysinfo_env_iterator_hasNext(&state)) {
rc = omrsysinfo_env_iterator_next(&state, &element);
#if defined(SI_DEBUG)
portTestEnv->log("si.c element.nameAndValue @ 0x%p: %s\n", element.nameAndValue, element.nameAndValue);
#endif
if (0 == rc) {
l++;
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tomrsysinfo_env_iterator_next returned: %i when 0 was expected\n", rc);
goto done;
break;
}
}
/* Test 4. non-null buffer that is not big enough to contain an env var. */
omrmem_free_memory(buffer);
bufferSizeBytes = 1;
buffer = omrmem_allocate_memory(bufferSizeBytes, OMRMEM_CATEGORY_PORT_LIBRARY);
if (NULL == buffer) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "OutOfMemory allocating buffer for test - where's all the memory?");
goto done;
}
rc = omrsysinfo_env_iterator_init(&state, buffer, bufferSizeBytes);
if (rc < 0) {
if (OMRPORT_ERROR_SYSINFO_ENV_INIT_CRASHED_COPYING_BUFFER == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tCrash passing in NULL buffer while running single-threaded. This is a failure because no-one else should have been able to modify it\n");
}
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tomrsysinfo_env_iterator_init returned: %i\n", rc);
goto done;
} else {
envSize = rc;
#if defined(SI_DEBUG)
portTestEnv->log("Should have a buffer of size %x bytes, using one of size %x instead, which will result in a truncated environment\n", envSize, bufferSizeBytes);
#endif
}
l = 0;
while (omrsysinfo_env_iterator_hasNext(&state)) {
rc = omrsysinfo_env_iterator_next(&state, &element);
#if defined(SI_DEBUG)
portTestEnv->log("si.c element.nameAndValue @ 0x%p: %s\n", element.nameAndValue, element.nameAndValue);
#endif
if (0 == rc) {
l++;
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "\tomrsysinfo_env_iterator_next returned: %i when 0 was expected\n", rc);
goto done;
break;
}
}
done:
if (NULL != buffer) {
omrmem_free_memory(buffer);
}
portTestEnv->changeIndent(-1);
reportTestExit(OMRPORTLIB, testName);
}
/* sysinfo_set_limit and sysinfo_get_limit tests will not work on windows */
#if !defined(OMR_OS_WINDOWS)
#if !(defined(AIXPPC) || defined(J9ZOS390))
/**
*
* Test omrsysinfo_test_sysinfo_set_limit and omrsysinfo_test_sysinfo_get_limit
* with resourceID OMRPORT_RESOURCE_ADDRESS_SPACE
*
*/
TEST(PortSysinfoTest, sysinfo_test_sysinfo_set_limit_ADDRESS_SPACE)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
const char *testName = "omrsysinfo_test_sysinfo_set_limit_ADDRESS_SPACE";
intptr_t rc;
uint64_t originalCurLimit;
uint64_t originalMaxLimit;
uint64_t currentLimit;
const uint64_t as1 = 300000;
reportTestEntry(OMRPORTLIB, testName);
/* save original soft limit */
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_ADDRESS_SPACE, &originalCurLimit);
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_ADDRESS_SPACE, as1);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit returns -1.\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_ADDRESS_SPACE, ¤tLimit);
if (as1 == currentLimit) {
portTestEnv->log("omrsysinfo_set_limit set ADDRESS_SPACE soft max successful\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit set ADDRESS_SPACE soft max FAILED\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
/* save original hard limit */
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_ADDRESS_SPACE | OMRPORT_LIMIT_HARD, &originalMaxLimit);
/* lowering the hard limit is irreversible unless privileged */
if (geteuid()) {
/* we should be able to set the hard limit to the current value as an unprivileged user
When the hard limit is set to unlimited (-1) a regular user can change it to
any value, but not back to unlimited. */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_ADDRESS_SPACE | OMRPORT_LIMIT_HARD, originalMaxLimit);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit returns -1\n");
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_ADDRESS_SPACE | OMRPORT_LIMIT_HARD, ¤tLimit);
if (originalMaxLimit == currentLimit) {
portTestEnv->log("omrsysinfo_set_limit set ADDRESS_SPACE hard max successful\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit set ADDRESS_SPACE hard max FAILED\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
} else {
/* now try setting the hard limit */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_ADDRESS_SPACE | OMRPORT_LIMIT_HARD, as1 + 1);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit returns -1.\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_ADDRESS_SPACE | OMRPORT_LIMIT_HARD, ¤tLimit);
if (as1 + 1 == currentLimit) {
portTestEnv->log("omrsysinfo_set_limit set ADDRESS_SPACE hard max successful\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit set ADDRESS_SPACE hard max FAILED\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
/* restore original hard limit */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_ADDRESS_SPACE | OMRPORT_LIMIT_HARD, originalMaxLimit);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "restoring the original hard limit failed omrsysinfo_set_limit returns -1.\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
}
/* restore original soft limit
The soft limit is always <= the hard limit. If the hard limit is lowered to below the soft limit and
then raised again the soft limit isn't automatically raised. */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_ADDRESS_SPACE, originalCurLimit);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "restoring the original soft limit failed omrsysinfo_set_limit returns -1.\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
reportTestExit(OMRPORTLIB, testName);
}
#endif /* !(defined(AIXPPC) || defined(J9ZOS390)) */
/**
*
* Test omrsysinfo_test_sysinfo_set_limit and omrsysinfo_test_sysinfo_get_limit
* with resourceID OMRPORT_RESOURCE_CORE_FILE
*
*/
TEST(PortSysinfoTest, sysinfo_test_sysinfo_set_limit_CORE_FILE)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
const char *testName = "omrsysinfo_test_sysinfo_set_limit_CORE_FILE";
intptr_t rc;
uint64_t originalCurLimit;
uint64_t originalMaxLimit;
uint64_t currentLimit;
const uint64_t coreFileSize = 42;
reportTestEntry(OMRPORTLIB, testName);
/* save original soft limit */
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_CORE_FILE, &originalCurLimit);
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_CORE_FILE, coreFileSize);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit returns -1.\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_CORE_FILE, ¤tLimit);
if (coreFileSize == currentLimit) {
portTestEnv->log("omrsysinfo_set_limit set CORE_FILE soft max successful\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit set CORE_FILE soft max FAILED\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
/* save original hard limit */
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_CORE_FILE | OMRPORT_LIMIT_HARD, &originalMaxLimit);
/* lowering the hard limit is irreversible unless privileged */
if (geteuid()) {
/* we should be able to set the hard limit to the current value as an unprivileged user
When the hard limit is set to unlimited (-1) a regular user can change it to
any value, but not back to unlimited. */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_CORE_FILE | OMRPORT_LIMIT_HARD, originalMaxLimit);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit returns -1\n");
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_CORE_FILE | OMRPORT_LIMIT_HARD, ¤tLimit);
if (originalMaxLimit == currentLimit) {
portTestEnv->log("omrsysinfo_set_limit set CORE_FILE hard max successful\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit set CORE_FILE hard max FAILED\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
} else {
/* now try setting the hard limit */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_CORE_FILE | OMRPORT_LIMIT_HARD, coreFileSize + 1);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit returns -1.\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_CORE_FILE | OMRPORT_LIMIT_HARD, ¤tLimit);
if (coreFileSize + 1 == currentLimit) {
portTestEnv->log("omrsysinfo_set_limit set CORE_FILE hard max successful\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit set CORE_FILE hard max FAILED\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
/* restore original hard limit */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_CORE_FILE | OMRPORT_LIMIT_HARD, originalMaxLimit);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "restoring the original hard limit failed omrsysinfo_set_limit returns -1.\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
}
/* restore original soft limit
The soft limit is always <= the hard limit. If the hard limit is lowered to below the soft limit and
then raised again the soft limit isn't automatically raised. */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_CORE_FILE, originalCurLimit);
if (rc == -1) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "restoring the original soft limit failed omrsysinfo_set_limit returns -1.\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
reportTestExit(OMRPORTLIB, testName);
}
/**
*
* Test omrsysinfo_test_sysinfo_set_limit and omrsysinfo_test_sysinfo_get_limit
* with resourceID OMRPORT_RESOURCE_FILE_DESCRIPTORS
*
*/
TEST(PortSysinfoTest, sysinfo_test_sysinfo_set_limit_FILE_DESCRIPTORS)
{
OMRPORT_ACCESS_FROM_OMRPORT(portTestEnv->getPortLibrary());
const char *testName = "omrsysinfo_test_sysinfo_set_limit_FILE_DESCRIPTORS";
uint32_t rc = OMRPORT_LIMIT_UNKNOWN;
uint64_t originalSoftLimit = 0;
uint64_t finalSoftLimit = 0;
uint64_t softSetToHardLimit = 0;
uint64_t originalHardLimit = 0;
uint64_t currentLimit = 0;
const uint64_t descriptorLimit = 256;
reportTestEntry(OMRPORTLIB, testName);
/* save original soft limit */
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS, &originalSoftLimit);
if (OMRPORT_LIMIT_UNKNOWN == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_limit FAILED: OMRPORT_LIMIT_UNKNOWN\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
portTestEnv->log(LEVEL_ERROR, "originalSoftLimit=%llu\n", originalSoftLimit);
finalSoftLimit = originalSoftLimit;
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS, descriptorLimit);
if (0 != rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit FAILED rc=%d\n", rc);
reportTestExit(OMRPORTLIB, testName);
return;
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS, ¤tLimit);
if (OMRPORT_LIMIT_UNKNOWN == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_limit FAILED: OMRPORT_LIMIT_UNKNOWN\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
if (descriptorLimit == currentLimit) {
portTestEnv->log("omrsysinfo_set_limit set FILE_DESCRIPTORS soft limit successful\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS,
"omrsysinfo_set_limit set FILE_DESCRIPTORS soft limit FAILED originalSoftLimit=%lld Expected=%lld actual==%lld\n",
originalSoftLimit, descriptorLimit, currentLimit);
reportTestExit(OMRPORTLIB, testName);
return;
}
/* save original hard limit */
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS | OMRPORT_LIMIT_HARD, &originalHardLimit);
if (OMRPORT_LIMIT_UNKNOWN == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_limit FAILED: OMRPORT_LIMIT_UNKNOWN\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
portTestEnv->log(LEVEL_ERROR, "originalHardLimit=%llu\n", originalHardLimit);
/* set soft limit to hard limit */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS, originalHardLimit);
if (0 != rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit soft = hard FAILED rc=%d\n", rc);
reportTestExit(OMRPORTLIB, testName);
return;
}
/* get new soft limit */
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS, &softSetToHardLimit);
if (OMRPORT_LIMIT_UNKNOWN == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_limit FAILED: OMRPORT_LIMIT_UNKNOWN\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
portTestEnv->log(LEVEL_ERROR, "soft set to hard limit=%llu\n", softSetToHardLimit);
/* set soft limit to old value */
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS, originalSoftLimit);
if (0 != rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit reset soft FAILED rc=%d\n", rc);
reportTestExit(OMRPORTLIB, testName);
return;
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS | OMRPORT_LIMIT_HARD, ¤tLimit);
if (currentLimit != originalHardLimit) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_limit FAILED: hard limit changed\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
/* lowering the hard limit is irreversible unless privileged */
if (0 != geteuid()) { /* normal user */
/* setting the hard limit from unlimited to a finite value has unpredictable results:
* the actual value may be much smaller than requested.
* In that case, just try setting it to its current value (softSetToHardLimit) or a value slightly lower.
* Ensure that we don't try to set the hard limit to a value less than the current soft limit
* (i.e. originalSoftLimit).
*/
uint64_t newHardLimit = ((OMRPORT_LIMIT_UNLIMITED == rc) || (originalSoftLimit == softSetToHardLimit))
? softSetToHardLimit: softSetToHardLimit - 1;
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS | OMRPORT_LIMIT_HARD, newHardLimit);
if (0 != rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit set hard limit=%lld FAILED rc=%d\n", rc, newHardLimit);
reportTestExit(OMRPORTLIB, testName);
return;
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS | OMRPORT_LIMIT_HARD, ¤tLimit);
if (OMRPORT_LIMIT_UNKNOWN == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_limit FAILED: OMRPORT_LIMIT_UNKNOWN\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
if (newHardLimit == currentLimit) {
portTestEnv->log("omrsysinfo_set_limit set FILE_DESCRIPTORS hard limit successful\n");
} else {
outputErrorMessage(PORTTEST_ERROR_ARGS,
"omrsysinfo_set_limit set FILE_DESCRIPTORS hard limit FAILED originalHardLimit=%lld Expected=%lld actual==%lld\n",
originalHardLimit, newHardLimit, currentLimit);
reportTestExit(OMRPORTLIB, testName);
return;
}
finalSoftLimit = (originalSoftLimit > newHardLimit)? newHardLimit: originalSoftLimit;
} else { /* running as root */
const uint64_t newHardLimit = 257;
rc = omrsysinfo_set_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS | OMRPORT_LIMIT_HARD, newHardLimit);
if (0 != rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_set_limit FAILED rc=%d\n", rc);
reportTestExit(OMRPORTLIB, testName);
return;
}
rc = omrsysinfo_get_limit(OMRPORT_RESOURCE_FILE_DESCRIPTORS | OMRPORT_LIMIT_HARD, ¤tLimit);
if (OMRPORT_LIMIT_UNKNOWN == rc) {
outputErrorMessage(PORTTEST_ERROR_ARGS, "omrsysinfo_get_limit FAILED: OMRPORT_LIMIT_UNKNOWN\n");
reportTestExit(OMRPORTLIB, testName);
return;
}
if (newHardLimit == currentLimit) {
portTestEnv->log("omrsysinfo_set_limit set FILE_DESCRIPTORS hard limit successful\n");