int main() {
int action;
double *pointer;
while(1) {
show_menu();
scanf("%d", &action);
switch(action) {
case 0:
exit(0);
break;
case 1:
pointer = allocate_memory();
break;
case 2:
fill_memory(pointer);
break;
case 3:
print_memory(pointer);
break;
case 4:
free(pointer);
break;
}
}
}
int SHMBase::connect_shared_memory( char mAllocate )
{
bool available = is_IPC_memory_available();
if (!available)
{
if (mAllocate) {
int result = allocate_memory( );
if (result == -1) {
Dprintf("Cannot allocate shared memory!\n");
}
attach_memory( );
fill_memory ( );
save_segment_id( );
return 1;
}
}
else
{
attach_memory();
if (is_poiner_valid()==true)
return 1;
}
return 0;
}
struct mars* create_mars(unsigned short size_memory, unsigned int max_cycle, struct instruction* initial_instruction)
{
struct mars* mars = NULL;
mars = malloc(sizeof(struct mars));
if(mars == NULL)
{
return NULL;
}
mars->memory = malloc(sizeof(struct instruction) * size_memory);
if(mars->memory == NULL)
{
free(mars);
return NULL;
}
mars->max_cycle = max_cycle;
mars->current_cycle = 0;
mars->size_memory = size_memory;
mars->size_a_warrior = 0;
mars->a_warrior = NULL;
if(initial_instruction != NULL)
{
fill_memory(mars->memory, mars->size_memory, initial_instruction);
}
else
{
randomize_memory(mars);
}
return mars;
}
static void
touch_mem (guint64 block_size,
guint64 n_blocks,
guint64 repeats)
{
guint64 j, accu, n = n_blocks;
GTimer *timer;
guint **memc;
guint **memb;
guint **mema = g_new (guint*, n);
for (j = 0; j < n; j++)
mema[j] = g_slice_alloc (block_size);
memb = g_new (guint*, n);
for (j = 0; j < n; j++)
memb[j] = g_slice_alloc (block_size);
memc = g_new (guint*, n);
for (j = 0; j < n; j++)
memc[j] = g_slice_alloc (block_size);
timer = g_timer_new();
fill_memory (mema, n, 2);
fill_memory (memb, n, 3);
fill_memory (memc, n, 4);
access_memory3 (mema, memb, memc, n, 3);
g_timer_start (timer);
accu = access_memory3 (mema, memb, memc, n, repeats);
g_timer_stop (timer);
g_print ("Access-time = %fs\n", g_timer_elapsed (timer, NULL));
g_assert (accu / repeats == (2 + 3) * n / 2 + 4 * n / 2);
for (j = 0; j < n; j++)
{
g_slice_free1 (block_size, mema[j]);
g_slice_free1 (block_size, memb[j]);
g_slice_free1 (block_size, memc[j]);
}
g_timer_destroy (timer);
g_free (mema);
g_free (memb);
g_free (memc);
}
TEST(MemoryManager, SimpleAllocation){
const size_t size = 1024;
auto mm = std::make_shared<m3bp::MemoryManager>();
EXPECT_EQ(0u, mm->total_memory_usage());
{
auto mr0 = mm->allocate(size);
EXPECT_EQ(size, mm->total_memory_usage());
{
auto locked_mr0 = mr0.lock();
EXPECT_NE(nullptr, locked_mr0.pointer());
fill_memory(locked_mr0.pointer(), size);
}
auto mr1 = mr0;
mr0 = m3bp::MemoryReference();
EXPECT_EQ(size, mm->total_memory_usage());
}
EXPECT_EQ(0u, mm->total_memory_usage());
}
int main() {
int action;
char **pointer;
pointer = malloc(5 * sizeof(char *));
pointer[0] = "asd";
pointer[1] = "123";
pointer[2] = "lald";
pointer[3] = "mnmn";
pointer[4] = END_OF_ARRAY;
while(1) {
show_menu();
scanf("%d", &action);
switch(action) {
case 0:
exit(0);
break;
case 1:
pointer = allocate_memory();
break;
case 2:
fill_memory(pointer);
break;
case 3:
replace_memory(pointer);
break;
case 4:
reverse_array(pointer);
break;
case 5:
break;
case 6:
print_memory(pointer);
break;
}
}
}
int
main(void)
{
TEST_NULL_ARG(BLKBSZGET);
TEST_NULL_ARG(BLKBSZSET);
TEST_NULL_ARG(BLKFRAGET);
TEST_NULL_ARG(BLKGETSIZE);
TEST_NULL_ARG(BLKGETSIZE64);
TEST_NULL_ARG(BLKPG);
TEST_NULL_ARG(BLKRAGET);
TEST_NULL_ARG(BLKROGET);
TEST_NULL_ARG(BLKROSET);
TEST_NULL_ARG(BLKSECTGET);
TEST_NULL_ARG(BLKSECTGET);
TEST_NULL_ARG(BLKSSZGET);
#ifdef BLKALIGNOFF
TEST_NULL_ARG(BLKALIGNOFF);
#endif
#ifdef BLKDISCARD
TEST_NULL_ARG(BLKDISCARD);
#endif
#ifdef BLKDISCARDZEROES
TEST_NULL_ARG(BLKDISCARDZEROES);
#endif
#ifdef BLKIOMIN
TEST_NULL_ARG(BLKIOMIN);
#endif
#ifdef BLKIOOPT
TEST_NULL_ARG(BLKIOOPT);
#endif
#ifdef BLKPBSZGET
TEST_NULL_ARG(BLKPBSZGET);
#endif
#ifdef BLKROTATIONAL
TEST_NULL_ARG(BLKROTATIONAL);
#endif
#ifdef BLKSECDISCARD
TEST_NULL_ARG(BLKSECDISCARD);
#endif
#ifdef BLKZEROOUT
TEST_NULL_ARG(BLKZEROOUT);
#endif
#if defined BLKTRACESETUP && defined HAVE_STRUCT_BLK_USER_TRACE_SETUP
TEST_NULL_ARG(BLKTRACESETUP);
#endif
ioctl(-1, BLKRASET, lmagic);
printf("ioctl(-1, BLKRASET, %lu) = -1 EBADF (%m)\n", lmagic);
ioctl(-1, BLKFRASET, lmagic);
printf("ioctl(-1, BLKFRASET, %lu) = -1 EBADF (%m)\n", lmagic);
int *const val_int = tail_alloc(sizeof(*val_int));
*val_int = magic;
ioctl(-1, BLKROSET, val_int);
printf("ioctl(-1, BLKROSET, [%d]) = -1 EBADF (%m)\n", *val_int);
ioctl(-1, BLKBSZSET, val_int);
printf("ioctl(-1, BLKBSZSET, [%d]) = -1 EBADF (%m)\n", *val_int);
uint64_t *pair_int64 = tail_alloc(sizeof(*pair_int64) * 2);
pair_int64[0] = 0xdeadbeefbadc0dedULL;
pair_int64[1] = 0xfacefeedcafef00dULL;
#ifdef BLKDISCARD
ioctl(-1, BLKDISCARD, pair_int64);
printf("ioctl(-1, BLKDISCARD, [%" PRIu64 ", %" PRIu64 "])"
" = -1 EBADF (%m)\n", pair_int64[0], pair_int64[1]);
#endif
#ifdef BLKSECDISCARD
ioctl(-1, BLKSECDISCARD, pair_int64);
printf("ioctl(-1, BLKSECDISCARD, [%" PRIu64 ", %" PRIu64 "])"
" = -1 EBADF (%m)\n", pair_int64[0], pair_int64[1]);
#endif
#ifdef BLKZEROOUT
ioctl(-1, BLKZEROOUT, pair_int64);
printf("ioctl(-1, BLKZEROOUT, [%" PRIu64 ", %" PRIu64 "])"
" = -1 EBADF (%m)\n", pair_int64[0], pair_int64[1]);
#endif
struct blkpg_ioctl_arg *const blkpg = tail_alloc(sizeof(*blkpg));
blkpg->op = 3;
blkpg->flags = 0xdeadbeef;
blkpg->datalen = 0xbadc0ded;
blkpg->data = (void *) (unsigned long) 0xcafef00dfffffeedULL;
ioctl(-1, BLKPG, blkpg);
printf("ioctl(-1, BLKPG, {%s, flags=%d, datalen=%d"
", data=%#lx}) = -1 EBADF (%m)\n",
"BLKPG_RESIZE_PARTITION", blkpg->flags, blkpg->datalen,
(unsigned long) blkpg->data);
struct blkpg_partition *const bp = tail_alloc(sizeof(*bp));
bp->start = 0xfac1fed2dad3bef4ULL;
bp->length = 0xfac5fed6dad7bef8ULL;
bp->pno = magic;
memset(bp->devname, 'A', sizeof(bp->devname));
memset(bp->volname, 'B', sizeof(bp->volname));
blkpg->op = 1;
blkpg->data = bp;
ioctl(-1, BLKPG, blkpg);
printf("ioctl(-1, BLKPG, {%s, flags=%d, datalen=%d"
", data={start=%lld, length=%lld, pno=%d"
", devname=\"%.*s\", volname=\"%.*s\"}})"
" = -1 EBADF (%m)\n",
"BLKPG_ADD_PARTITION",
blkpg->flags, blkpg->datalen,
bp->start, bp->length, bp->pno,
(int) sizeof(bp->devname) - 1, bp->devname,
(int) sizeof(bp->volname) - 1, bp->volname);
#if defined BLKTRACESETUP && defined HAVE_STRUCT_BLK_USER_TRACE_SETUP
struct blk_user_trace_setup *const buts = tail_alloc(sizeof(*buts));
fill_memory(buts, sizeof(*buts));
ioctl(-1, BLKTRACESETUP, buts);
printf("ioctl(-1, BLKTRACESETUP, {act_mask=%hu, buf_size=%u, buf_nr=%u"
", start_lba=%" PRI__u64 ", end_lba=%" PRI__u64 ", pid=%u})"
" = -1 EBADF (%m)\n",
buts->act_mask, buts->buf_size, buts->buf_nr,
buts->start_lba, buts->end_lba, buts->pid);
#endif
unsigned int i;
for (i = 0; i < ARRAY_SIZE(block_argless); ++i) {
ioctl(-1, (unsigned long) block_argless[i].val, lmagic);
printf("ioctl(-1, %s) = -1 EBADF (%m)\n", block_argless[i].str);
}
ioctl(-1, _IOC(_IOC_READ, 0x12, 0xfe, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ, 0x12, 0xfe, 0xff)", lmagic);
puts("+++ exited with 0 +++");
return 0;
}
int
main(void)
{
TEST_NULL_ARG(EVIOCGVERSION);
TEST_NULL_ARG(EVIOCGEFFECTS);
TEST_NULL_ARG(EVIOCGID);
TEST_NULL_ARG(EVIOCGKEYCODE);
TEST_NULL_ARG(EVIOCSKEYCODE);
TEST_NULL_ARG(EVIOCSFF);
# ifdef EVIOCGKEYCODE_V2
TEST_NULL_ARG(EVIOCGKEYCODE_V2);
# endif
# ifdef EVIOCSKEYCODE_V2
TEST_NULL_ARG(EVIOCSKEYCODE_V2);
# endif
# ifdef EVIOCGREP
TEST_NULL_ARG(EVIOCGREP);
# endif
# ifdef EVIOCSREP
TEST_NULL_ARG(EVIOCSREP);
# endif
# ifdef EVIOCSCLOCKID
TEST_NULL_ARG(EVIOCSCLOCKID);
# endif
TEST_NULL_ARG(EVIOCGNAME(0));
TEST_NULL_ARG(EVIOCGPHYS(0));
TEST_NULL_ARG(EVIOCGUNIQ(0));
TEST_NULL_ARG(EVIOCGKEY(0));
TEST_NULL_ARG(EVIOCGLED(0));
# ifdef EVIOCGMTSLOTS
TEST_NULL_ARG(EVIOCGMTSLOTS(0));
# endif
# ifdef EVIOCGPROP
TEST_NULL_ARG(EVIOCGPROP(0));
# endif
TEST_NULL_ARG(EVIOCGSND(0));
# ifdef EVIOCGSW
TEST_NULL_ARG(EVIOCGSW(0));
# endif
TEST_NULL_ARG(EVIOCGABS(ABS_X));
TEST_NULL_ARG(EVIOCSABS(ABS_X));
TEST_NULL_ARG(EVIOCGBIT(EV_SYN, 0));
TEST_NULL_ARG(EVIOCGBIT(EV_KEY, 1));
TEST_NULL_ARG(EVIOCGBIT(EV_REL, 2));
TEST_NULL_ARG(EVIOCGBIT(EV_ABS, 3));
TEST_NULL_ARG(EVIOCGBIT(EV_MSC, 4));
# ifdef EV_SW
TEST_NULL_ARG(EVIOCGBIT(EV_SW, 5));
# endif
TEST_NULL_ARG(EVIOCGBIT(EV_LED, 6));
TEST_NULL_ARG(EVIOCGBIT(EV_SND, 7));
TEST_NULL_ARG(EVIOCGBIT(EV_REP, 8));
TEST_NULL_ARG(EVIOCGBIT(EV_FF, 9));
TEST_NULL_ARG(EVIOCGBIT(EV_PWR, 10));
TEST_NULL_ARG(EVIOCGBIT(EV_FF_STATUS, 11));
ioctl(-1, EVIOCGBIT(EV_MAX, 42), 0);
printf("ioctl(-1, EVIOCGBIT(%#x /* EV_??? */, 42), NULL)"
" = -1 EBADF (%m)\n", EV_MAX);
ioctl(-1, EVIOCRMFF, lmagic);
printf("ioctl(-1, EVIOCRMFF, %d) = -1 EBADF (%m)\n", (int) lmagic);
ioctl(-1, EVIOCGRAB, lmagic);
printf("ioctl(-1, EVIOCGRAB, %lu) = -1 EBADF (%m)\n", lmagic);
# ifdef EVIOCREVOKE
ioctl(-1, EVIOCREVOKE, lmagic);
printf("ioctl(-1, EVIOCREVOKE, %lu) = -1 EBADF (%m)\n", lmagic);
# endif
const unsigned int size = get_page_size();
void *const page = tail_alloc(size);
fill_memory(page, size);
int *const val_int = tail_alloc(sizeof(*val_int));
*val_int = magic;
# ifdef EVIOCSCLOCKID
ioctl(-1, EVIOCSCLOCKID, val_int);
printf("ioctl(-1, EVIOCSCLOCKID, [%u]) = -1 EBADF (%m)\n", *val_int);
# endif
int *pair_int = tail_alloc(sizeof(*pair_int) * 2);
pair_int[0] = 0xdeadbeef;
pair_int[1] = 0xbadc0ded;
# ifdef EVIOSGREP
ioctl(-1, EVIOCSREP, pair_int);
printf("ioctl(-1, EVIOCSREP, [%u, %u]) = -1 EBADF (%m)\n",
pair_int[0], pair_int[1]);
# endif
pair_int[1] = 1;
ioctl(-1, EVIOCSKEYCODE, pair_int);
printf("ioctl(-1, EVIOCSKEYCODE, [%u, %s]) = -1 EBADF (%m)\n",
pair_int[0], "KEY_ESC");
# ifdef EVIOCSKEYCODE_V2
struct input_keymap_entry *const ike = tail_alloc(sizeof(*ike));
fill_memory(ike, sizeof(*ike));
ike->keycode = 2;
ioctl(-1, EVIOCSKEYCODE_V2, ike);
printf("ioctl(-1, EVIOCSKEYCODE_V2, {flags=%" PRIu8
", len=%" PRIu8 ", ", ike->flags, ike->len);
# if VERBOSE
printf("index=%" PRIu16 ", keycode=%s, scancode=[",
ike->index, "KEY_1");
unsigned int i;
for (i = 0; i < ARRAY_SIZE(ike->scancode); ++i) {
if (i > 0)
printf(", ");
printf("%" PRIx8, ike->scancode[i]);
}
printf("]");
# else
printf("...");
# endif
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
# endif
struct ff_effect *const ffe = tail_alloc(sizeof(*ffe));
fill_memory(ffe, sizeof(*ffe));
ffe->type = FF_CONSTANT;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_CONSTANT");
# if VERBOSE
printf(", constant={level=%hd", ffe->u.constant.level);
print_envelope(&ffe->u.constant.envelope);
printf("}");
# else
printf("...");
# endif
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
# if VERBOSE
ffe->type = FF_RAMP;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_RAMP");
printf(", ramp={start_level=%hd, end_level=%hd",
ffe->u.ramp.start_level, ffe->u.ramp.end_level);
print_envelope(&ffe->u.ramp.envelope);
errno = EBADF;
printf("}}) = -1 EBADF (%m)\n");
ffe->type = FF_PERIODIC;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_PERIODIC");
printf(", periodic={waveform=%hu, period=%hu, magnitude=%hd"
", offset=%hd, phase=%hu",
ffe->u.periodic.waveform, ffe->u.periodic.period,
ffe->u.periodic.magnitude, ffe->u.periodic.offset,
ffe->u.periodic.phase);
print_envelope(&ffe->u.periodic.envelope);
printf(", custom_len=%u, custom_data=%p}",
ffe->u.periodic.custom_len, ffe->u.periodic.custom_data);
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
ffe->type = FF_RUMBLE;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "FF_RUMBLE");
printf(", rumble={strong_magnitude=%hu, weak_magnitude=%hu}",
ffe->u.rumble.strong_magnitude, ffe->u.rumble.weak_magnitude);
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
ffe->type = 0xff;
ioctl(-1, EVIOCSFF, ffe);
print_ffe_common(ffe, "0xff /* FF_??? */");
errno = EBADF;
printf("}) = -1 EBADF (%m)\n");
# endif
ioctl(-1, _IOC(_IOC_READ, 0x45, 0x1, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ, 0x45, 0x1, 0xff)", lmagic);
ioctl(-1, _IOC(_IOC_WRITE, 0x45, 0x1, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_WRITE, 0x45, 0x1, 0xff)", lmagic);
ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0xfe, 0xff)", lmagic);
ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0), lmagic);
printf("ioctl(-1, %s, %#lx) = -1 EBADF (%m)\n",
"_IOC(_IOC_READ|_IOC_WRITE, 0x45, 0, 0)", lmagic);
puts("+++ exited with 0 +++");
return 0;
}
int
main(void)
{
static const kernel_ulong_t unknown_loop_cmd =
(kernel_ulong_t) 0xbadc0dedfeed4cedULL;
static const kernel_ulong_t magic =
(kernel_ulong_t) 0xdeadbeefbadc0dedULL;
static const kernel_ulong_t kernel_mask =
((kernel_ulong_t) -1) - ((unsigned long) -1L);
TAIL_ALLOC_OBJECT_CONST_PTR(struct loop_info, info);
TAIL_ALLOC_OBJECT_CONST_PTR(struct loop_info64, info64);
/* Unknown loop commands */
ioctl(-1, unknown_loop_cmd, magic);
printf("ioctl(-1, _IOC(_IOC_READ|_IOC_WRITE%s, 0x4c, %#x, %#x), "
"%#lx) = -1 EBADF (%m)\n",
_IOC_DIR((unsigned int) unknown_loop_cmd) & _IOC_NONE ?
"|_IOC_NONE" : "",
_IOC_NR((unsigned int) unknown_loop_cmd),
_IOC_SIZE((unsigned int) unknown_loop_cmd),
(unsigned long) magic);
ioctl(-1, LOOP_SET_BLOCK_SIZE + 1, magic);
printf("ioctl(-1, _IOC(0, 0x4c, %#x, %#x), %#lx) = "
"-1 EBADF (%m)\n",
_IOC_NR(LOOP_SET_BLOCK_SIZE + 1),
_IOC_SIZE(LOOP_SET_BLOCK_SIZE + 1),
(unsigned long) magic);
ioctl(-1, LOOP_CTL_GET_FREE + 1, magic);
printf("ioctl(-1, _IOC(0, 0x4c, %#x, %#x), %#lx) = "
"-1 EBADF (%m)\n",
_IOC_NR(LOOP_CTL_GET_FREE + 1),
_IOC_SIZE(LOOP_CTL_GET_FREE + 1),
(unsigned long) magic);
/* LOOP_SET_FD */
ioctl(-1, LOOP_SET_FD, magic);
printf("ioctl(-1, LOOP_SET_FD, %d) = -1 EBADF (%m)\n",
(unsigned int) magic);
/* LOOP_CLR_FD */
ioctl(-1, LOOP_CLR_FD);
printf("ioctl(-1, LOOP_CLR_FD) = -1 EBADF (%m)\n");
/* LOOP_SET_STATUS */
ioctl(-1, LOOP_SET_STATUS, NULL);
printf("ioctl(-1, LOOP_SET_STATUS, NULL) = -1 EBADF (%m)\n");
fill_memory(info, sizeof(*info));
info->lo_flags = 0xdeface00;
info->lo_name[0] = '\0';
info->lo_encrypt_key[0] = '\0';
info->lo_encrypt_key_size = 1;
printf("ioctl(-1, LOOP_SET_STATUS, ");
print_loop_info(info, true, NULL, "\\0", NULL);
ioctl(-1, LOOP_SET_STATUS, info);
printf(") = -1 EBADF (%m)\n");
fill_memory(info, sizeof(*info));
info->lo_encrypt_type = LO_CRYPT_NONE;
info->lo_flags = LO_FLAGS_READ_ONLY;
memset(info->lo_name, 'A', sizeof(info->lo_name));
memset(info->lo_encrypt_key, 'B', sizeof(info->lo_encrypt_key));
ioctl(-1, LOOP_SET_STATUS, (void *) info + ALIGNOF(info));
printf("ioctl(-1, LOOP_SET_STATUS, %p) = -1 EBADF (%m)\n",
(void *) info + ALIGNOF(info));
printf("ioctl(-1, LOOP_SET_STATUS, ");
print_loop_info(info, false, "LO_CRYPT_NONE", NULL,
"LO_FLAGS_READ_ONLY");
ioctl(-1, LOOP_SET_STATUS, info);
printf(") = -1 EBADF (%m)\n");
/* LOOP_GET_STATUS */
ioctl(-1, LOOP_GET_STATUS, NULL);
printf("ioctl(-1, LOOP_GET_STATUS, NULL) = -1 EBADF (%m)\n");
ioctl(-1, LOOP_GET_STATUS, (unsigned long) info | kernel_mask);
printf("ioctl(-1, LOOP_GET_STATUS, %p) = -1 EBADF (%m)\n", info);
/* LOOP_SET_STATUS64 */
ioctl(-1, LOOP_SET_STATUS64, NULL);
printf("ioctl(-1, LOOP_SET_STATUS64, NULL) = -1 EBADF (%m)\n");
fill_memory(info64, sizeof(*info64));
info64->lo_flags = 0xdec0de00;
info64->lo_file_name[0] = '\0';
info64->lo_crypt_name[0] = '\0';
info64->lo_encrypt_key[0] = '\0';
info64->lo_encrypt_key_size = 1;
printf("ioctl(-1, LOOP_SET_STATUS64, ");
print_loop_info64(info64, true, NULL, "\\0", NULL);
ioctl(-1, LOOP_SET_STATUS64, info64);
printf(") = -1 EBADF (%m)\n");
fill_memory(info64, sizeof(*info64));
info64->lo_flags = LO_FLAGS_READ_ONLY;
info64->lo_encrypt_type = LO_CRYPT_NONE;
memset(info64->lo_file_name, 'C', sizeof(info64->lo_file_name));
memset(info64->lo_crypt_name, 'D', sizeof(info64->lo_crypt_name));
memset(info64->lo_encrypt_key, 'E', sizeof(info64->lo_encrypt_key));
ioctl(-1, LOOP_SET_STATUS64, (void *) info64 + ALIGNOF(info64));
printf("ioctl(-1, LOOP_SET_STATUS64, %p) = -1 EBADF (%m)\n",
(void *) info64 + ALIGNOF(info64));
printf("ioctl(-1, LOOP_SET_STATUS64, ");
print_loop_info64(info64, false, "LO_CRYPT_NONE", NULL,
"LO_FLAGS_READ_ONLY");
ioctl(-1, LOOP_SET_STATUS64, info64);
printf(") = -1 EBADF (%m)\n");
/* LOOP_GET_STATUS64 */
ioctl(-1, LOOP_GET_STATUS64, NULL);
printf("ioctl(-1, LOOP_GET_STATUS64, NULL) = -1 EBADF (%m)\n");
ioctl(-1, LOOP_GET_STATUS64, (unsigned long) info64 | kernel_mask);
printf("ioctl(-1, LOOP_GET_STATUS64, %p) = -1 EBADF (%m)\n", info64);
/* LOOP_CHANGE_FD */
ioctl(-1, LOOP_CHANGE_FD, magic);
printf("ioctl(-1, LOOP_CHANGE_FD, %d) = -1 EBADF (%m)\n",
(unsigned int) magic);
/* LOOP_SET_CAPACITY */
ioctl(-1, LOOP_SET_CAPACITY);
printf("ioctl(-1, LOOP_SET_CAPACITY) = -1 EBADF (%m)\n");
/* LOOP_SET_DIRECT_IO */
ioctl(-1, LOOP_SET_DIRECT_IO, magic);
printf("ioctl(-1, LOOP_SET_DIRECT_IO, %lu) = -1 EBADF (%m)\n",
(unsigned long) magic);
/* LOOP_SET_BLOCK_SIZE */
ioctl(-1, LOOP_SET_BLOCK_SIZE, magic);
printf("ioctl(-1, LOOP_SET_BLOCK_SIZE, %lu) = -1 EBADF (%m)\n",
(unsigned long) magic);
/* LOOP_CTL_ADD */
ioctl(-1, LOOP_CTL_ADD, magic);
printf("ioctl(-1, LOOP_CTL_ADD, %d) = -1 EBADF (%m)\n",
(unsigned int) magic);
/* LOOP_CTL_REMOVE */
ioctl(-1, LOOP_CTL_REMOVE, magic);
printf("ioctl(-1, LOOP_CTL_REMOVE, %d) = -1 EBADF (%m)\n",
(unsigned int) magic);
/* LOOP_CTL_GET_FREE */
ioctl(-1, LOOP_CTL_GET_FREE);
printf("ioctl(-1, LOOP_CTL_GET_FREE) = -1 EBADF (%m)\n");
puts("+++ exited with 0 +++");
return 0;
}
/*!
* Allocate memory for atleast size bytes.
*
* @param size size of memory in bytes
* @return pointer to memory if ok NULL if out of memory
*/
void* allocate_memory( int size ) {
struct Memory_handler* loop = NULL;
struct Memory_handler* best = NULL;
int waste;
loop = MEM_HANDLE;
waste = loop->size - size;
while ( 1 )
{
/* do we have free memory? */
if ( loop->used == 0)
{
/* we are wasting memory here, but why not ,) */
if (loop->size >= size + 2*DEBUG_BUFFER_BORDER)
{
if (best == NULL || loop->size - size -2* DEBUG_BUFFER_BORDER< waste)
{
best = loop;
waste = loop->size - size;
}
}
}
if (loop->next == NULL)
break;
loop = loop->next;
}
/* and loop is pointer to last node */
/* ok check did we find one */
if (best == NULL)
{
if (DEBUG > 1)
{
printf("(II) MemH: did not found match, allocating new (%d) \n", size);
}
/* noup, we need to alloc memory */
/* if this node is in use, create new node */
if (loop->used != -1)
{
loop->next = malloc (sizeof( struct Memory_handler ) );
if (loop->next == NULL)
return NULL;
loop = loop->next;
}
loop->mem = malloc( size + 2*DEBUG_BUFFER_BORDER);
loop->size = size + 2 * DEBUG_BUFFER_BORDER;
loop->used = 1;
loop->next = NULL;
#ifdef DEBUG_MEMORY
fill_memory(loop->mem );
fill_memory(loop->mem + size + DEBUG_BUFFER_BORDER);
loop->true_size = size;
#endif
return DEBUG_BUFFER_BORDER + loop->mem ;
}
else
{
if (DEBUG > 1)
{
printf("(II) MemH: Found mathc memory from %p waste %d!\n", best, waste);
}
best->used = 1;
#ifdef DEBUG_MEMORY
fill_memory(best->mem );
fill_memory(best->mem + size + DEBUG_BUFFER_BORDER);
best->true_size = size;
#endif
return best->mem + DEBUG_BUFFER_BORDER;
}
}
int
main(void)
{
ioctl(-1, SG_IO, 0);
printf("ioctl(-1, SG_IO, NULL) = -1 EBADF (%m)\n");
struct sg_io_hdr *const sg_io = tail_alloc(sizeof(*sg_io));
fill_memory(sg_io, sizeof(*sg_io));
const void *const efault = sg_io + 1;
ioctl(-1, SG_IO, efault);
printf("ioctl(-1, SG_IO, %p) = -1 EBADF (%m)\n", efault);
ioctl(-1, SG_IO, sg_io);
printf("ioctl(-1, SG_IO, [%u]) = -1 EBADF (%m)\n", sg_io->interface_id);
unsigned int *const piid = tail_alloc(sizeof(*piid));
*piid = (unsigned char) 'S';
ioctl(-1, SG_IO, piid);
printf("ioctl(-1, SG_IO, {interface_id='S', %p}) = -1 EBADF (%m)\n", piid + 1);
sg_io->interface_id = (unsigned char) 'S';
sg_io->dxfer_direction = -2;
sg_io->flags = -1U;
sg_io->info = -1U;
sg_io->dxferp = (void *) (unsigned long) 0xfacefeedfffffff1ULL;
sg_io->cmdp = (void *) (unsigned long) 0xfacefeedfffffff2ULL;
sg_io->sbp = (void *) (unsigned long) 0xfacefeedfffffff3ULL;
ioctl(-1, SG_IO, sg_io);
printf("ioctl(-1, SG_IO, {interface_id='S'"
", dxfer_direction=SG_DXFER_TO_DEV"
", cmd_len=%u"
", cmdp=%p"
", mx_sb_len=%u"
", iovec_count=%u"
", dxfer_len=%u"
", timeout=%u"
", flags=SG_FLAG_DIRECT_IO|SG_FLAG_UNUSED_LUN_INHIBIT"
"|SG_FLAG_MMAP_IO|SG_FLAG_NO_DXFER"
"|SG_FLAG_Q_AT_TAIL|SG_FLAG_Q_AT_HEAD|0xfffeffc8"
", dxferp=%p"
", status=%#x"
", masked_status=%#x"
", msg_status=%#x"
", sb_len_wr=%u"
", sbp=%p"
", host_status=%#x"
", driver_status=%#x"
", resid=%d"
", duration=%u"
", info=SG_INFO_CHECK|SG_INFO_DIRECT_IO|SG_INFO_MIXED_IO|0xfffffff8"
"}) = -1 EBADF (%m)\n",
sg_io->cmd_len,
sg_io->cmdp,
sg_io->mx_sb_len,
sg_io->iovec_count,
sg_io->dxfer_len,
sg_io->timeout,
sg_io->dxferp,
sg_io->status,
sg_io->masked_status,
sg_io->msg_status,
sg_io->sb_len_wr,
sg_io->sbp,
sg_io->host_status,
sg_io->driver_status,
sg_io->resid,
sg_io->duration);
sg_io->dxfer_direction = -3;
ioctl(-1, SG_IO, sg_io);
printf("ioctl(-1, SG_IO, {interface_id='S'"
", dxfer_direction=SG_DXFER_FROM_DEV"
", cmd_len=%u"
", cmdp=%p"
", mx_sb_len=%u"
", iovec_count=%u"
", dxfer_len=%u"
", timeout=%u"
", flags=SG_FLAG_DIRECT_IO|SG_FLAG_UNUSED_LUN_INHIBIT"
"|SG_FLAG_MMAP_IO|SG_FLAG_NO_DXFER"
"|SG_FLAG_Q_AT_TAIL|SG_FLAG_Q_AT_HEAD|0xfffeffc8"
", dxferp=%p"
", status=%#x"
", masked_status=%#x"
", msg_status=%#x"
", sb_len_wr=%u"
", sbp=%p"
", host_status=%#x"
", driver_status=%#x"
", resid=%d"
", duration=%u"
", info=SG_INFO_CHECK|SG_INFO_DIRECT_IO|SG_INFO_MIXED_IO|0xfffffff8"
"}) = -1 EBADF (%m)\n",
sg_io->cmd_len,
sg_io->cmdp,
sg_io->mx_sb_len,
sg_io->iovec_count,
sg_io->dxfer_len,
sg_io->timeout,
sg_io->dxferp,
sg_io->status,
sg_io->masked_status,
sg_io->msg_status,
sg_io->sb_len_wr,
sg_io->sbp,
sg_io->host_status,
sg_io->driver_status,
sg_io->resid,
sg_io->duration);
const struct iovec iov[] = {
{
.iov_base = (void *) efault - 2,
.iov_len = 2
}, {
.iov_base = (void *) efault - 3,
