#include <sys/fs/zfs.h>
#include <libnvpair.h>
-#define ZTEST_FD_DATA 3
-#define ZTEST_FD_RAND 4
+static int ztest_fd_data = -1;
+static int ztest_fd_rand = -1;
typedef struct ztest_shared_hdr {
uint64_t zh_hdr_size;
UINT64_MAX >> 2);
if (strlen(altdir) > 0) {
- char cmd[MAXNAMELEN];
- char realaltdir[MAXNAMELEN];
+ char *cmd;
+ char *realaltdir;
char *bin;
char *ztest;
char *isa;
int isalen;
- (void) realpath(getexecname(), cmd);
+ cmd = umem_alloc(MAXPATHLEN, UMEM_NOFAIL);
+ realaltdir = umem_alloc(MAXPATHLEN, UMEM_NOFAIL);
+
+ VERIFY(NULL != realpath(getexecname(), cmd));
if (0 != access(altdir, F_OK)) {
ztest_dump_core = B_FALSE;
fatal(B_TRUE, "invalid alternate ztest path: %s",
fatal(B_TRUE, "invalid alternate lib directory %s",
zo->zo_alt_libpath);
}
+
+ umem_free(cmd, MAXPATHLEN);
+ umem_free(realaltdir, MAXPATHLEN);
}
}
{
uint64_t r;
+ ASSERT3S(ztest_fd_rand, >=, 0);
+
if (range == 0)
return (0);
- if (read(ZTEST_FD_RAND, &r, sizeof (r)) != sizeof (r))
+ if (read(ztest_fd_rand, &r, sizeof (r)) != sizeof (r))
fatal(1, "short read from /dev/urandom");
return (r % range);
#define GRACE 300
+#if 0
static void
ztest_deadman_alarm(int sig)
{
fatal(0, "failed to complete within %d seconds of deadline", GRACE);
}
+#endif
static void
ztest_execute(int test, ztest_info_t *zi, uint64_t id)
(thread_func_t)ztest_resume_thread, spa, TS_RUN, NULL, 0, 0,
PTHREAD_CREATE_JOINABLE)), !=, NULL);
+#if 0
/*
* Set a deadman alarm to abort() if we hang.
*/
signal(SIGALRM, ztest_deadman_alarm);
alarm((zs->zs_thread_stop - zs->zs_thread_start) / NANOSEC + GRACE);
+#endif
/*
* Verify that we can safely inquire about about any object,
}
static void
-setup_fds(void)
+setup_data_fd(void)
{
- int fd;
+ static char ztest_name_data[] = "/tmp/ztest.data.XXXXXX";
- char *tmp = tempnam(NULL, NULL);
- fd = open(tmp, O_RDWR | O_CREAT, 0700);
- ASSERT3S(fd, >=, 0);
- VERIFY3S(ftruncate(fd, sizeof (ztest_shared_hdr_t)), ==, 0);
- if (fd != ZTEST_FD_DATA) {
- VERIFY3S(dup2(fd, ZTEST_FD_DATA), ==, ZTEST_FD_DATA);
- close(fd);
- }
- (void) unlink(tmp);
- free(tmp);
+ ztest_fd_data = mkstemp(ztest_name_data);
+ ASSERT3S(ztest_fd_data, >=, 0);
+ (void) unlink(ztest_name_data);
+}
- fd = open("/dev/urandom", O_RDONLY);
- ASSERT3S(fd, >=, 0);
- if (fd != ZTEST_FD_RAND) {
- VERIFY3S(dup2(fd, ZTEST_FD_RAND), ==, ZTEST_FD_RAND);
- close(fd);
- }
+static int
+shared_data_size(ztest_shared_hdr_t *hdr)
+{
+ int size;
+
+ size = hdr->zh_hdr_size;
+ size += hdr->zh_opts_size;
+ size += hdr->zh_size;
+ size += hdr->zh_stats_size * hdr->zh_stats_count;
+ size += hdr->zh_ds_size * hdr->zh_ds_count;
+
+ return (size);
}
static void
setup_hdr(void)
{
+ int size;
ztest_shared_hdr_t *hdr;
hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()),
- PROT_READ | PROT_WRITE, MAP_SHARED, ZTEST_FD_DATA, 0);
+ PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0);
ASSERT(hdr != MAP_FAILED);
+ VERIFY3U(0, ==, ftruncate(ztest_fd_data, sizeof (ztest_shared_hdr_t)));
+
hdr->zh_hdr_size = sizeof (ztest_shared_hdr_t);
hdr->zh_opts_size = sizeof (ztest_shared_opts_t);
hdr->zh_size = sizeof (ztest_shared_t);
hdr->zh_ds_size = sizeof (ztest_shared_ds_t);
hdr->zh_ds_count = ztest_opts.zo_datasets;
+ size = shared_data_size(hdr);
+ VERIFY3U(0, ==, ftruncate(ztest_fd_data, size));
+
(void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize()));
}
uint8_t *buf;
hdr = (void *)mmap(0, P2ROUNDUP(sizeof (*hdr), getpagesize()),
- PROT_READ, MAP_SHARED, ZTEST_FD_DATA, 0);
+ PROT_READ, MAP_SHARED, ztest_fd_data, 0);
ASSERT(hdr != MAP_FAILED);
- size = hdr->zh_hdr_size;
- size += hdr->zh_opts_size;
- size += hdr->zh_size;
- size += hdr->zh_stats_size * hdr->zh_stats_count;
- size += hdr->zh_ds_size * hdr->zh_ds_count;
+ size = shared_data_size(hdr);
(void) munmap((caddr_t)hdr, P2ROUNDUP(sizeof (*hdr), getpagesize()));
hdr = ztest_shared_hdr = (void *)mmap(0, P2ROUNDUP(size, getpagesize()),
- PROT_READ | PROT_WRITE, MAP_SHARED, ZTEST_FD_DATA, 0);
+ PROT_READ | PROT_WRITE, MAP_SHARED, ztest_fd_data, 0);
ASSERT(hdr != MAP_FAILED);
buf = (uint8_t *)hdr;
{
pid_t pid;
int status;
- char cmdbuf[MAXPATHLEN];
+ char *cmdbuf = NULL;
pid = fork();
if (cmd == NULL) {
- (void) strlcpy(cmdbuf, getexecname(), sizeof (cmdbuf));
+ cmdbuf = umem_alloc(MAXPATHLEN, UMEM_NOFAIL);
+ (void) strlcpy(cmdbuf, getexecname(), MAXPATHLEN);
cmd = cmdbuf;
}
if (pid == 0) { /* child */
char *emptyargv[2] = { cmd, NULL };
+ char fd_data_str[12];
struct rlimit rl = { 1024, 1024 };
(void) setrlimit(RLIMIT_NOFILE, &rl);
+
+ (void) close(ztest_fd_rand);
+ VERIFY(11 >= snprintf(fd_data_str, 12, "%d", ztest_fd_data));
+ VERIFY(0 == setenv("ZTEST_FD_DATA", fd_data_str, 1));
+
(void) enable_extended_FILE_stdio(-1, -1);
if (libpath != NULL)
VERIFY(0 == setenv("LD_LIBRARY_PATH", libpath, 1));
fatal(B_TRUE, "exec failed: %s", cmd);
}
+ if (cmdbuf != NULL) {
+ umem_free(cmdbuf, MAXPATHLEN);
+ cmd = NULL;
+ }
+
while (waitpid(pid, &status, 0) != pid)
continue;
if (statusp != NULL)
char timebuf[100];
char numbuf[6];
spa_t *spa;
- char cmd[MAXNAMELEN];
+ char *cmd;
boolean_t hasalt;
int f;
- boolean_t ischild = (0 == lseek(ZTEST_FD_DATA, 0, SEEK_CUR));
-
- ASSERT(ischild || errno == EBADF || errno == ESPIPE);
+ char *fd_data_str = getenv("ZTEST_FD_DATA");
(void) setvbuf(stdout, NULL, _IOLBF, 0);
- if (!ischild) {
+ ztest_fd_rand = open("/dev/urandom", O_RDONLY);
+ ASSERT3S(ztest_fd_rand, >=, 0);
+
+ if (!fd_data_str) {
dprintf_setup(&argc, argv);
process_options(argc, argv);
- setup_fds();
+ setup_data_fd();
setup_hdr();
setup_data();
bcopy(&ztest_opts, ztest_shared_opts,
sizeof (*ztest_shared_opts));
} else {
+ ztest_fd_data = atoi(fd_data_str);
setup_data();
bcopy(ztest_shared_opts, &ztest_opts, sizeof (ztest_opts));
}
ASSERT3U(ztest_opts.zo_datasets, ==, ztest_shared_hdr->zh_ds_count);
/* Override location of zpool.cache */
- (void) asprintf((char **)&spa_config_path, "%s/zpool.cache",
- ztest_opts.zo_dir);
-
+ VERIFY(asprintf((char **)&spa_config_path, "%s/zpool.cache",
+ ztest_opts.zo_dir) != -1);
+
ztest_ds = umem_alloc(ztest_opts.zo_datasets * sizeof (ztest_ds_t),
UMEM_NOFAIL);
zs = ztest_shared;
- if (ischild) {
+ if (fd_data_str) {
metaslab_gang_bang = ztest_opts.zo_metaslab_gang_bang;
metaslab_df_alloc_threshold =
zs->zs_metaslab_df_alloc_threshold;
(u_longlong_t)ztest_opts.zo_time);
}
- (void) strlcpy(cmd, getexecname(), sizeof (cmd));
+ cmd = umem_alloc(MAXNAMELEN, UMEM_NOFAIL);
+ (void) strlcpy(cmd, getexecname(), MAXNAMELEN);
zs->zs_do_init = B_TRUE;
if (strlen(ztest_opts.zo_alt_ztest) != 0) {
kills, iters - kills, (100.0 * kills) / MAX(1, iters));
}
+ umem_free(cmd, MAXNAMELEN);
+
return (0);
}
git://git.camperquake.de / zfs.git / blobdiff