static int
parse_environment (guestfs_h *g,
char *(*do_getenv) (const void *data, const char *),
const void *data)
{
int memsize, b;
char *str;
/* Don't bother checking the return values of functions
* that cannot return errors.
*/
str = do_getenv (data, "LIBGUESTFS_TRACE");
if (str) {
b = guestfs_int_is_true (str);
if (b == -1) {
error (g, _("%s=%s: non-boolean value"), "LIBGUESTFS_TRACE", str);
return -1;
}
guestfs_set_trace (g, b);
}
str = do_getenv (data, "LIBGUESTFS_DEBUG");
if (str) {
b = guestfs_int_is_true (str);
if (b == -1) {
error (g, _("%s=%s: non-boolean value"), "LIBGUESTFS_TRACE", str);
return -1;
}
guestfs_set_verbose (g, b);
}
str = do_getenv (data, "LIBGUESTFS_TMPDIR");
if (str && STRNEQ (str, "")) {
if (guestfs_set_tmpdir (g, str) == -1)
return -1;
}
str = do_getenv (data, "LIBGUESTFS_CACHEDIR");
if (str && STRNEQ (str, "")) {
if (guestfs_set_cachedir (g, str) == -1)
return -1;
}
str = do_getenv (data, "TMPDIR");
if (guestfs_int_set_env_tmpdir (g, str) == -1)
return -1;
str = do_getenv (data, "LIBGUESTFS_PATH");
if (str && STRNEQ (str, ""))
guestfs_set_path (g, str);
str = do_getenv (data, "LIBGUESTFS_HV");
if (str && STRNEQ (str, ""))
guestfs_set_hv (g, str);
else {
str = do_getenv (data, "LIBGUESTFS_QEMU");
if (str && STRNEQ (str, ""))
guestfs_set_hv (g, str);
}
str = do_getenv (data, "LIBGUESTFS_APPEND");
if (str)
guestfs_set_append (g, str);
str = do_getenv (data, "LIBGUESTFS_MEMSIZE");
if (str && STRNEQ (str, "")) {
if (sscanf (str, "%d", &memsize) != 1) {
error (g, _("non-numeric value for LIBGUESTFS_MEMSIZE"));
return -1;
}
if (guestfs_set_memsize (g, memsize) == -1) {
/* set_memsize produces an error message already. */
return -1;
}
}
str = do_getenv (data, "LIBGUESTFS_BACKEND");
if (str && STRNEQ (str, "")) {
if (guestfs_set_backend (g, str) == -1)
return -1;
}
else {
str = do_getenv (data, "LIBGUESTFS_ATTACH_METHOD");
if (str && STRNEQ (str, "")) {
if (guestfs_set_backend (g, str) == -1)
return -1;
}
}
str = do_getenv (data, "LIBGUESTFS_BACKEND_SETTINGS");
if (str) {
CLEANUP_FREE_STRING_LIST char **settings = guestfs_int_split_string (':', str);
if (settings == NULL) {
perrorf (g, "split_string: malloc");
return -1;
}
if (guestfs_set_backend_settings (g, settings) == -1)
return -1;
}
return 0;
}
static void *
start_thread (void *vi)
{
guestfs_h *g;
int r, thread_id = *(int *)vi;
const char *error;
g = guestfs_create ();
if (g == NULL) {
perror ("guestfs_create");
*(int *)vi = -1;
pthread_exit (vi);
}
if (guestfs_add_drive_opts (g, "/dev/null",
GUESTFS_ADD_DRIVE_OPTS_FORMAT, "raw",
GUESTFS_ADD_DRIVE_OPTS_READONLY, 1,
-1) == -1) {
*(int *)vi = -1;
pthread_exit (vi);
}
/* Fake out hypervisor. */
if (guestfs_set_hv (g, TOOL_TRUE) == -1) {
*(int *)vi = -1;
pthread_exit (vi);
}
/* Wait for the other threads to finish starting up. */
r = pthread_barrier_wait (&barrier);
if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) {
fprintf (stderr, "pthread_barrier_wait: [thread %d]: %s\n",
thread_id, strerror (r));
*(int *)vi = -1;
pthread_exit (vi);
}
/* Launch the handle. Because of the faked out qemu, we expect this
* will fail with "child process died unexpectedly". We are
* interested in other failures.
*/
guestfs_push_error_handler (g, NULL, NULL);
r = guestfs_launch (g);
error = guestfs_last_error (g);
if (r == 0) { /* This should NOT happen. */
fprintf (stderr, "rhbz790721: [thread %d]: "
"strangeness in test: expected launch to fail, but it didn't!\n",
thread_id);
*(int *)vi = -1;
pthread_exit (vi);
}
if (error == NULL) { /* This also should NOT happen. */
fprintf (stderr, "rhbz790721: [thread %d]: "
"strangeness in test: no error message!\n",
thread_id);
*(int *)vi = -1;
pthread_exit (vi);
}
/* The error message should match the one printed by
* guestfs_int_launch_failed_error. If not, it indicates a bug/race
* in the appliance building code which is what this regression test
* is designed to spot.
*/
if (strstr (error, "guestfs_launch failed") == NULL) {
fprintf (stderr, "rhbz790721: [thread %d]: error: %s\n", thread_id, error);
*(int *)vi = -1;
pthread_exit (vi);
}
guestfs_pop_error_handler (g);
/* Close the handle. */
guestfs_close (g);
*(int *)vi = 0;
pthread_exit (vi);
}
