static void
test_reopen(const char *path)
{
PMEMlogpool *log1 = pmemlog_create(path, PMEMLOG_MIN_POOL,
S_IWUSR | S_IRUSR);
if (!log1)
FATAL("!create");
PMEMlogpool *log2 = pmemlog_open(path);
if (log2)
FATAL("pmemlog_open should not succeed");
if (errno != EWOULDBLOCK)
FATAL("!pmemlog_open failed but for unexpected reason");
pmemlog_close(log1);
log2 = pmemlog_open(path);
if (!log2)
FATAL("pmemlog_open should succeed after close");
pmemlog_close(log2);
UNLINK(path);
}
static void
test_open_in_different_process(const char *path, int sleep)
{
pid_t pid = fork();
PMEMlogpool *log;
if (pid < 0)
FATAL("fork failed");
if (pid == 0) {
/* child */
if (sleep)
usleep(sleep);
while (access(path, R_OK))
usleep(100 * 1000);
log = pmemlog_open(path);
if (log)
FATAL("pmemlog_open after fork should not succeed");
if (errno != EWOULDBLOCK)
FATAL("!pmemlog_open after fork failed but for "
"unexpected reason");
exit(0);
}
log = pmemlog_create(path, PMEMLOG_MIN_POOL, S_IWUSR | S_IRUSR);
if (!log)
FATAL("!create");
int status;
if (waitpid(pid, &status, 0) < 0)
FATAL("!waitpid failed");
if (!WIFEXITED(status))
FATAL("child process failed");
pmemlog_close(log);
UNLINK(path);
}
int
main(int argc, char *argv[])
{
PMEMlogpool *plp;
START(argc, argv, "log_walker");
if (argc != 2)
UT_FATAL("usage: %s file-name", argv[0]);
const char *path = argv[1];
int fd = OPEN(path, O_RDWR);
/* pre-allocate 2MB of persistent memory */
errno = posix_fallocate(fd, (off_t)0, (size_t)(2 * 1024 * 1024));
if (errno != 0)
UT_FATAL("!posix_fallocate");
CLOSE(fd);
if ((plp = pmemlog_create(path, 0, S_IWUSR | S_IRUSR)) == NULL)
UT_FATAL("!pmemlog_create: %s", path);
/* append some data */
do_append(plp);
/* arrange to catch SEGV */
struct sigaction v;
sigemptyset(&v.sa_mask);
v.sa_flags = 0;
v.sa_handler = signal_handler;
SIGACTION(SIGSEGV, &v, NULL);
if (!sigsetjmp(Jmp, 1)) {
do_walk(plp);
}
pmemlog_close(plp);
DONE(NULL);
}
int
main(int argc, char *argv[])
{
const char path[] = "/pmem-fs/myfile";
PMEMlogpool *plp;
size_t nbyte;
char *str;
/* create the pmemlog pool or open it if it already exists */
plp = pmemlog_create(path, POOL_SIZE, 0666);
if (plp == NULL)
plp = pmemlog_open(path);
if (plp == NULL) {
perror(path);
exit(1);
}
/* how many bytes does the log hold? */
nbyte = pmemlog_nbyte(plp);
printf("log holds %zu bytes\n", nbyte);
/* append to the log... */
str = "This is the first string appended\n";
if (pmemlog_append(plp, str, strlen(str)) < 0) {
perror("pmemlog_append");
exit(1);
}
str = "This is the second string appended\n";
if (pmemlog_append(plp, str, strlen(str)) < 0) {
perror("pmemlog_append");
exit(1);
}
/* print the log contents */
printf("log contains:\n");
pmemlog_walk(plp, 0, printit, NULL);
pmemlog_close(plp);
}
int
main(int argc, char *argv[])
{
PMEMlogpool *plp;
struct logentry header;
struct iovec *iovp;
struct iovec *next_iovp;
int iovcnt;
if (argc < 3) {
fprintf(stderr, "usage: %s filename lines...\n", argv[0]);
exit(1);
}
const char *path = argv[1];
/* create the log in the given file, or open it if already created */
if ((plp = pmemlog_create(path, 0, S_IWUSR | S_IRUSR)) == NULL &&
(plp = pmemlog_open(path)) == NULL) {
perror(path);
exit(1);
}
/* fill in the header */
time(&header.timestamp);
header.pid = getpid();
/*
* Create an iov for pmemlog_appendv(). For each argument given,
* allocate two entries (one for the string, one for the newline
* appended to the string). Allocate 1 additional entry for the
* header that gets prepended to the entry.
*/
iovcnt = (argc - 2) * 2 + 1;
if ((iovp = malloc(sizeof (*iovp) * iovcnt)) == NULL) {
perror("malloc");
exit(1);
}
next_iovp = iovp;
/* put the header into iov first */
next_iovp->iov_base = &header;
next_iovp->iov_len = sizeof (header);
next_iovp++;
/*
* Now put each arg in, following it with the string "\n".
* Calculate a total character count in header.len along the way.
*/
header.len = 0;
for (int arg = 2; arg < argc; arg++) {
/* add the string given */
next_iovp->iov_base = argv[arg];
next_iovp->iov_len = strlen(argv[arg]);
header.len += next_iovp->iov_len;
next_iovp++;
/* add the newline */
next_iovp->iov_base = "\n";
next_iovp->iov_len = 1;
header.len += 1;
next_iovp++;
}
/* atomically add it all to the log */
if (pmemlog_appendv(plp, iovp, iovcnt) < 0) {
perror("pmemlog_appendv");
exit(1);
}
pmemlog_close(plp);
}
int
main(int argc, char *argv[])
{
if (argc < 2) {
fprintf(stderr, "usage: %s [o,c] file [val...]", argv[0]);
return 1;
}
PMEMlogpool *plp;
if (strncmp(argv[1], "c", 1) == 0) {
plp = pmemlog_create(argv[2], POOL_SIZE, S_IRUSR | S_IWUSR);
} else if (strncmp(argv[1], "o", 1) == 0) {
plp = pmemlog_open(argv[2]);
} else {
fprintf(stderr, "usage: %s [o,c] file [val...]", argv[0]);
return 1;
}
if (plp == NULL) {
perror("pmemlog_create/pmemlog_open");
return 1;
}
/* process the command line arguments */
for (int i = 3; i < argc; i++) {
switch (*argv[i]) {
case 'a': {
printf("append: %s\n", argv[i] + 2);
pmemlog_append(plp, argv[i] + 2,
strlen(argv[i] + 2));
break;
}
case 'v': {
printf("appendv: %s\n", argv[i] + 2);
int count = count_iovec(argv[i] + 2);
struct iovec *iov = malloc(count
* sizeof (struct iovec));
fill_iovec(iov, argv[i] + 2);
pmemlog_appendv(plp, iov, count);
free(iov);
break;
}
case 'r': {
printf("rewind\n");
pmemlog_rewind(plp);
break;
}
case 'w': {
printf("walk\n");
pmemlog_walk(plp, 0, process_chunk, NULL);
break;
}
case 'n': {
printf("nbytes: %zu\n", pmemlog_nbyte(plp));
break;
}
case 't': {
printf("offset: %ld\n", pmemlog_tell(plp));
break;
}
default: {
fprintf(stderr, "unrecognized command %s\n",
argv[i]);
break;
}
};
}
/* all done */
pmemlog_close(plp);
return 0;
}
int
main(int argc, char *argv[])
{
START(argc, argv, "out_err_mt");
if (argc != 5)
UT_FATAL("usage: %s filename1 filename2 filename3 dir",
argv[0]);
PMEMobjpool *pop = pmemobj_create(argv[1], "test",
PMEMOBJ_MIN_POOL, 0666);
PMEMlogpool *plp = pmemlog_create(argv[2],
PMEMLOG_MIN_POOL, 0666);
PMEMblkpool *pbp = pmemblk_create(argv[3],
128, PMEMBLK_MIN_POOL, 0666);
#ifndef _WIN32
/* XXX - vmem not implemented in windows yet */
VMEM *vmp = vmem_create(argv[4], VMEM_MIN_POOL);
#endif
util_init();
pmem_check_version(10000, 0);
pmemobj_check_version(10001, 0);
pmemlog_check_version(10002, 0);
pmemblk_check_version(10003, 0);
#ifndef _WIN32
/* XXX - vmem not implemented in windows yet */
vmem_check_version(10004, 0);
#endif
pmempool_check_version(10005, 0);
print_errors("version check");
void *ptr = NULL;
/*
* We are testing library error reporting and we don't want this test
* to fail under memcheck.
*/
VALGRIND_DO_DISABLE_ERROR_REPORTING;
pmem_msync(ptr, 1);
VALGRIND_DO_ENABLE_ERROR_REPORTING;
print_errors("pmem_msync");
pmemlog_append(plp, NULL, PMEMLOG_MIN_POOL);
print_errors("pmemlog_append");
size_t nblock = pmemblk_nblock(pbp);
pmemblk_set_error(pbp, nblock + 1);
print_errors("pmemblk_set_error");
#ifndef _WIN32
/* XXX - vmem not implemented in windows yet */
VMEM *vmp2 = vmem_create_in_region(NULL, 1);
UT_ASSERTeq(vmp2, NULL);
print_errors("vmem_create_in_region");
#endif
run_mt_test(do_test);
pmemobj_close(pop);
pmemlog_close(plp);
pmemblk_close(pbp);
#ifndef _WIN32
/* XXX - vmem not implemented in windows yet */
vmem_delete(vmp);
#endif
PMEMpoolcheck *ppc;
struct pmempool_check_args args = {0, };
ppc = pmempool_check_init(&args, sizeof(args) / 2);
UT_ASSERTeq(ppc, NULL);
print_errors("pmempool_check_init");
DONE(NULL);
}
/*
* log_init -- benchmark initialization function
*/
static int
log_init(struct benchmark *bench, struct benchmark_args *args)
{
int ret = 0;
assert(bench);
assert(args != NULL);
assert(args->opts != NULL);
struct benchmark_info *bench_info;
struct log_bench *lb =
(struct log_bench *)malloc(sizeof(struct log_bench));
if (!lb) {
perror("malloc");
return -1;
}
lb->args = (struct prog_args *)args->opts;
lb->args->el_size = args->dsize;
if (lb->args->vec_size == 0)
lb->args->vec_size = 1;
if (lb->args->rand && lb->args->min_size > lb->args->el_size) {
errno = EINVAL;
ret = -1;
goto err_free_lb;
}
if (lb->args->rand && lb->args->min_size == lb->args->el_size)
lb->args->rand = false;
/* align pool size to ensure that we have enough usable space */
lb->psize =
MMAP_ALIGN_UP(POOL_HDR_SIZE +
args->n_ops_per_thread * args->n_threads *
lb->args->vec_size * lb->args->el_size);
/* calculate a required pool size */
if (lb->psize < PMEMLOG_MIN_POOL)
lb->psize = PMEMLOG_MIN_POOL;
if (args->is_poolset) {
if (lb->psize > args->fsize) {
fprintf(stderr, "insufficient size of poolset\n");
ret = -1;
goto err_free_lb;
}
lb->psize = 0;
}
bench_info = pmembench_get_info(bench);
if (!lb->args->fileio) {
if ((lb->plp = pmemlog_create(args->fname, lb->psize,
args->fmode)) == NULL) {
perror("pmemlog_create");
ret = -1;
goto err_free_lb;
}
bench_info->operation =
(lb->args->vec_size > 1) ? log_appendv : log_append;
} else {
int flags = O_CREAT | O_RDWR | O_SYNC;
/* Create a file if it does not exist. */
if ((lb->fd = open(args->fname, flags, args->fmode)) < 0) {
perror(args->fname);
ret = -1;
goto err_free_lb;
}
/* allocate the pmem */
if ((errno = posix_fallocate(lb->fd, 0, lb->psize)) != 0) {
perror("posix_fallocate");
ret = -1;
goto err_close;
}
bench_info->operation = (lb->args->vec_size > 1)
? fileio_appendv
: fileio_append;
}
if (!lb->args->no_warmup) {
size_t warmup_nops = args->n_threads * args->n_ops_per_thread;
if (do_warmup(lb, warmup_nops)) {
fprintf(stderr, "warmup failed\n");
ret = -1;
goto err_close;
}
}
pmembench_set_priv(bench, lb);
return 0;
err_close:
if (lb->args->fileio)
close(lb->fd);
else
pmemlog_close(lb->plp);
err_free_lb:
free(lb);
return ret;
}