int NdbMem_MemUnlockAll(){
#if defined(HAVE_MLOCKALL) && defined(MCL_CURRENT)
return munlockall();
#else
return -1;
#endif
}
void
Resources::unlockMemory(void)
{
#if defined(DUNE_SYS_HAS_MUNLOCKALL)
munlockall();
#endif
}
extern "C" int real_time_lock_memory(int yes_no) {
/* lock or unlock memory based on yes_no parameter */
int ret = 0 ;
#if __linux
if ( yes_no ) {
if ((ret = mlockall(MCL_CURRENT | MCL_FUTURE)) != 0 ) {
perror("Error locking memory.");
message_publish(MSG_ERROR, "Error %d when requesting memory lock.\n", errno);
} else {
message_publish(MSG_INFO, "Sim locked memory\n");
}
} else {
if ( (ret = munlockall()) != 0 ) {
perror("Error unlocking memory.");
message_publish(MSG_ERROR, "Error %d when requesting memory unlock.\n", errno);
} else {
message_publish(MSG_INFO, "Sim unlocked memory\n");
}
}
#endif
#if __APPLE__
(void)yes_no ;
message_publish(MSG_WARNING, "Warning: Trick on Darwin does not yet support memory locking.\n");
#endif
return ret ;
}
int main(){
int result;
long memlock;
memlock = sysconf(_SC_MEMLOCK);
if(errno){
perror("An errno occurs when calling sysconf().\n");
return PTS_UNRESOLVED;
}
result = munlockall();
if( (result == 0 && memlock > 0) || (result == -1 && memlock <=0) ){
printf("Test PASSED\n");
return PTS_PASS;
} else if(errno == EPERM){
printf("You don't have permission to unlock your address space.\nTry to rerun this test as root.\n");
return PTS_UNRESOLVED;
} else {
printf("munlockall() returns %i instead of zero.\n",
result);
return PTS_FAIL;
}
}
int main(int ac, char **av)
{
int lc;
tst_parse_opts(ac, av, NULL, NULL);
setup();
/* check looping state */
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
TEST(munlockall());
/* check return code */
if ((TEST_RETURN == -1) && (TEST_ERRNO == EPERM)) {
tst_resm(TPASS, "munlockall() failed"
" as expected for non-superuser" ":GOT EPERM");
} else {
tst_resm(TCONF, "munlockall() failed to produce "
"expected errno :%d Got : %d, %s. ***Some distros, such as Red Hat Enterprise Linux, support non-superuser munlockall calls.***",
EPERM, TEST_ERRNO, strerror(TEST_ERRNO));
}
}
/* cleanup and exit */
cleanup();
tst_exit();
}
void
xmp_destroy ()
{
/*HASH_TABLE_MEMORY_CACHE *temp2;
HASH_TABLE_INODE_N_BLOCK *temp1;
fprintf(stderr,"Calling destroy..\n");
fprintf(stderr, " mem_add = %lf\n mem_find = %lf\nbinode_add = %lf\ninode_find = %lf\n",
mem_add,mem_find,binode_add,binode_find);
while(block_inode)
{
temp1=block_inode->hh.next;
free(block_inode);
block_inode=temp1;
}
while(memory)
{
temp2=memory->hh.next;
free(memory);
memory=temp2;
}
*/
munlockall();
fprintf (stderr, "\ncase1=%d\n", case1);
fprintf (stderr, "\ncase2=%d\n", case2);
fprintf (stderr, "\ncase3=%d\n", case3);
fprintf (stderr, "\ncase4=%d\n", case4);
}
int main(int ac, char **av)
{
int lc;
const char *msg;
if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) {
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
}
setup();
/* check looping state */
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
TEST(munlockall());
/* check return code */
if (TEST_RETURN == -1) {
tst_resm(TFAIL | TTERRNO, "munlockall() Failed with"
" return=%ld", TEST_RETURN);
} else {
tst_resm(TPASS, "munlockall() passed with"
" return=%ld ", TEST_RETURN);
}
}
/* cleanup and exit */
cleanup();
tst_exit();
}
int memlock(int argc, char *argv[])
{
int e = 0;
/* Is memory locking configured?
*/
errno = 0;
if (sysconf(_SC_MEMLOCK) == -1) {
if (errno != 0) {
/* This isn't valid - may be a standard violation
*/
quit("(should not happen) sysconf(_SC_MEMLOCK)");
}
else {
fprintf(stderr,
"Memory locking is not supported in this environment.\n");
e = -1;
}
}
/* Lock yourself in memory:
*/
if (mlockall(MCL_CURRENT | MCL_FUTURE) == -1) {
perror("mlockall(MCL_CURRENT | MCL_FUTURE)");
e = errno;
}
else if (munlockall() == -1) {
perror("munlockall");
e = errno;
}
return e;
}
void
Resources::unlockMemory(void)
{
#if defined(DUNE_SYS_HAS_SYS_MMAN_H)
munlockall();
#endif
}
int main(int argc, char **argv) {
int ret;
rsa_t rsa;
uint32_t mc, vf;
datum_t em, m;
uint8_t EM[256];
mlockall(MCL_CURRENT|MCL_FUTURE);
rsa_init(&rsa);
mc = vf = 0;
em.data = (uint8_t *)EM;
em.size = (uint32_t)sizeof(EM);
/*
generate these with gentests.pl
NOTE: in some cases, the RSA signing operation will produce a signature which
is 1 or more bytes less in length than N. In these cases, it must be padded
on the left with zeros.
*/
#include "tests.c"
rsa_free(&rsa);
munlockall();
printf("\nTest run completed with %d miscompares and %d verification failures.\n\n", mc, vf);
return 0;
}
INTERNAL_QUAL int rtos_task_delete_main(RTOS_TASK* main_task)
{
//rt_task_delete( &(main_task->xenotask) );
free (main_task->name);
main_task->name = NULL;
munlockall();
return 0;
}
static int plock(int op)
{
#if defined(MCL_CURRENT) && defined(MCL_FUTURE)
return op ? mlockall(MCL_CURRENT | MCL_FUTURE) : munlockall();
#else
return -1;
#endif
}
INTERNAL_QUAL int rtos_task_delete_main(RTOS_TASK* main_task)
{
// we don't stop the timer
//stop_rt_timer();
rt_task_delete(main_task->rtaitask);
free(main_task->name);
munlockall();
return 0;
}
// Called when the library is unloaded and before dlclose()
// returns
void my_unload(void)
{
int res = munlockall();
if (debug_enabled) {
if (!res)
fprintf(stderr,"munlock()'ed entire process's address space.\n");
else
perror("munlockall()");
}
}
int crypt_memlock_dec(struct crypt_device *ctx)
{
if (_memlock_count && (!--_memlock_count)) {
log_dbg("Unlocking memory.");
if (munlockall() == -1)
log_err(ctx, _("Cannot unlock memory."));
if (setpriority(PRIO_PROCESS, 0, _priority))
log_dbg("setpriority %d failed: %s", _priority, strerror(errno));
}
return _memlock_count ? 1 : 0;
}
//-----------------------------------------------------------------------------
void shutdown( void ) {
// unlock memory. do before any other shutdown operations
munlockall();
printf( "shutting down\n" );
// send notifications to clients
msgbuffer.close();
close_pipes();
}
static void _unlock_mem(void)
{
#ifdef MCL_CURRENT
if (munlockall())
log_sys_error("munlockall", "");
else
log_very_verbose("Unlocking memory");
#endif
_release_memory();
if (setpriority(PRIO_PROCESS, 0, _priority))
log_error("setpriority %u failed: %s", _priority,
strerror(errno));
}
static int test_mlockall(int (test_function)(bool call_mlock))
{
int ret = 1;
if (mlockall(MCL_CURRENT | MCL_ONFAULT | MCL_FUTURE)) {
perror("mlockall");
return ret;
}
ret = test_function(false);
munlockall();
return ret;
}
int main(void) {
size_t page_size = sysconf(_SC_PAGESIZE);
void* p = mmap(NULL, page_size, PROT_READ | PROT_WRITE,
MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
test_assert(p != MAP_FAILED);
test_assert(0 == mlock(p, page_size) || errno == ENOMEM || errno == EPERM);
test_assert(0 == munlock(p, page_size));
test_assert(0 == mlockall(MCL_CURRENT) || errno == ENOMEM || errno == EPERM);
test_assert(0 == munlockall());
atomic_puts("EXIT-SUCCESS");
return 0;
}
/** \brief re-enable paging for calling process.
*
* Enables paging for all pages mapped into the address space ofi
* the calling process.
*/
os_result
os_procMUnlockAll(void)
{
int r;
os_result result;
r = munlockall();
if (r == 0) {
result = os_resultSuccess;
} else {
result = os_resultFail;
}
return result;
}
int unlock_all_stripes(struct mdinfo *info, sighandler_t *sig) {
int rv;
rv = sysfs_set_num(info, NULL, "suspend_lo", 0x7FFFFFFFFFFFFFFFULL);
rv |= sysfs_set_num(info, NULL, "suspend_hi", 0);
rv |= sysfs_set_num(info, NULL, "suspend_lo", 0);
signal(SIGQUIT, sig[2]);
signal(SIGINT, sig[1]);
signal(SIGTERM, sig[0]);
if(munlockall() != 0)
return 3;
return rv * 256;
}
static void CacheDestroy(ENGINE_HANDLE* handle, const bool force)
{
sem_wait(readSem);
sem_wait(writeSem);
ReleaseBitArray();
ReleaseMemoryTable();
ReleaseDataRegion();
free(handle);
munlockall();
muntrace();
free(handle);
sem_post(readSem);
sem_post(writeSem);
}
int main(int argc, char **argv)
{
int i;
pthread_t tha;
mlockall(MCL_CURRENT);
pthread_create(&tha, NULL, worker, NULL);
for (i = 0; i < SIZE; i++) {
printf("value: %d\n", mem[i]);
nanosleep(&ts, NULL);
}
pthread_join(tha,NULL);
munlockall();
return 0;
}
/*
* wfaSetProcPriority():
* With the linux 2.6 kernel, it allows an application process dynamically
* adjust its running priority level. In order to achieve higher control of
* packet sending/receiving and timer response, it is helpful to raise the
* process priority level over others and lower it back once it finishes.
*
* This is purely used for performance tuning purpose and not required to
* port if it is not needed.
*/
int wfaSetProcPriority(int set)
{
int maxprio, currprio;
struct sched_param schp;
wMEMSET(&schp, 0, sizeof(schp));
sched_getparam(0, &schp);
currprio = schp.sched_priority;
if(set != 0)
{
if(geteuid() == 0)
{
maxprio = sched_get_priority_max(SCHED_FIFO);
if(maxprio == -1)
{
return WFA_FAILURE;
}
schp.sched_priority = maxprio;
if(sched_setscheduler(0, SCHED_FIFO, &schp) != 0)
{
}
}
if(mlockall(MCL_CURRENT | MCL_FUTURE) != 0)
{
}
}
else
{
if(geteuid() == 0)
{
schp.sched_priority = 0;
if(sched_setscheduler(0, SCHED_OTHER, &schp) != 0)
{
}
}
munlockall();
}
return currprio;
}
int main(){
int result;
result = munlockall();
if(result == 0){
printf("Test PASSED\n");
return PTS_PASS;
} else if(errno == EPERM){
printf("You don't have permission to unlock your address space.\nTry to rerun this test as root.\n");
return PTS_UNRESOLVED;
} else {
printf("munlockall() returns %i instead of zero.\n",
result);
return PTS_FAIL;
}
}
void OneShotLatencyMeasurer::measure()
{
if(lockMemory)
{
if(mlockall(MCL_CURRENT|MCL_FUTURE) != 0)
{
Logger::ERROR("Couldn't lock memory! Aborting...");
exit(1);
}
}
measureOneshotTimerLatencies();
if(lockMemory)
{
munlockall();
}
latencyData->analyzeData();
reportedLatencyData->analyzeData();
differenceData->analyzeData();
}
int main(int ac, char **av)
{
int lc; /* loop counter */
char *msg; /* message returned from parse_opts */
if ((msg = parse_opts(ac,av,(option_t *)NULL, NULL)) != (char *) NULL) {
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
tst_exit();
}
/* perform global setup for test */
setup();
/* check looping state */
for (lc = 0; TEST_LOOPING(lc); lc++) {
/* reset Tst_count in case we are looping. */
Tst_count = 0;
TEST(munlockall());
TEST_ERROR_LOG(TEST_ERRNO);
/* check return code */
if ((TEST_RETURN == -1) && (TEST_ERRNO == EPERM)){
tst_resm(TPASS, "munlockall() failed"
" as expected for non-superuser"
":GOT EPERM");
} else {
tst_resm(TCONF, "munlockall() failed to produce "
"expected errno :%d Got : %d, %s. ***Some distros, such as Red Hat Enterprise Linux, support non-superuser munlockall calls.***",
EPERM,TEST_ERRNO,
strerror(TEST_ERRNO));
}
}
/* End for TEST_LOOPING */
/* cleanup and exit */
cleanup();
return 0;
} /* End main */
void * __zmalloc(size_t size, const char *func)
{
void *p;
p = malloc(size);
if (p == NULL) {
/* Maybe we mlockall'd everything. Try and undo that, and retry. */
munlockall();
p = malloc(size);
if (p != NULL)
goto done;
printf("%s: malloc(%zu) failure.\n", func, size);
exit(EXIT_FAILURE);
}
done:
memset(p, 0, size);
return p;
}
int main(int argc, char **argv)
{
int rc = 0;
if (vd80_map())
exit(1);
if (vd80_init())
exit(1);
vd80_cmd_setbig(0);
/* Run a 15 s recording to be sure to get 1M samples */
if ((rc = test_sampling(15000000)))
goto out;
/* Check we've got at least 1M samples */
if (shot_samples < (1024*1024)) {
printf("No samples recorded - exiting\n");
rc = 1;
goto out;
}
/* Make sure we won't be swapped */
if (mlockall(MCL_CURRENT|MCL_FUTURE)) {
printf("Failed to lock process address space: %s\n",
strerror(errno));
printf("Results may not be accurate\n");
}
/* Read 1M samples (512K frames) from 1 channel */
if ((rc = time_read_samples(0, 512*1024, 16)))
goto out;
out:
rc = vd80_exit();
munlockall();
return rc;
}
int main(int ac, char **av)
{
int lc; /* loop counter */
char *msg; /* message returned from parse_opts */
if ((msg = parse_opts(ac, av, NULL, NULL)) != (char *) NULL) {
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
tst_exit();
}
/* perform global setup for test */
setup();
/* check looping state */
for (lc = 0; TEST_LOOPING(lc); lc++) {
/* reset Tst_count in case we are looping. */
Tst_count = 0;
TEST(munlockall());
/* check return code */
if (TEST_RETURN == -1) {
tst_resm(TFAIL, "munlockall() Failed with"
" return=%d, errno=%d : %s",
TEST_RETURN, TEST_ERRNO,
strerror(TEST_ERRNO));
} else {
tst_resm(TPASS, "munlockall() passed with"
" return=%d ",TEST_RETURN);
}
}
/* End for TEST_LOOPING */
/* cleanup and exit */
cleanup();
return 0;
} /* End main */
