OpenE2K
/
qemu-e2k
13
4
Fork 0
Code Issues 4 Pull Requests Projects 2 Releases Activity

qga: Consistently name Error ** objects errp, and not err 

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Markus Armbruster 2014-05-02 13:26:30 +02:00 committed by Luiz Capitulino
parent e940f543ae
commit 77dbc81b0f
5 changed files with 161 additions and 155 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

199
qga/commands-posix.c
View File

@ -53,7 +53,7 @@ extern char **environ;
#endif
#endif
static void ga_wait_child(pid_t pid, int *status, Error **err)
static void ga_wait_child(pid_t pid, int *status, Error **errp)
{
pid_t rpid;
@ -64,14 +64,15 @@ static void ga_wait_child(pid_t pid, int *status, Error **err)
} while (rpid == -1 && errno == EINTR);
if (rpid == -1) {
error_setg_errno(err, errno, "failed to wait for child (pid: %d)", pid);
error_setg_errno(errp, errno, "failed to wait for child (pid: %d)",
pid);
return;
}
g_assert(rpid == pid);
}
void qmp_guest_shutdown(bool has_mode, const char *mode, Error **err)
void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
{
const char *shutdown_flag;
Error *local_err = NULL;
@ -86,7 +87,7 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **err)
} else if (strcmp(mode, "reboot") == 0) {
shutdown_flag = "-r";
} else {
error_setg(err,
error_setg(errp,
"mode is invalid (valid values are: halt|powerdown|reboot");
return;
}
@ -103,23 +104,23 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **err)
"hypervisor initiated shutdown", (char*)NULL, environ);
_exit(EXIT_FAILURE);
} else if (pid < 0) {
error_setg_errno(err, errno, "failed to create child process");
error_setg_errno(errp, errno, "failed to create child process");
return;
}
ga_wait_child(pid, &status, &local_err);
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
return;
}
if (!WIFEXITED(status)) {
error_setg(err, "child process has terminated abnormally");
error_setg(errp, "child process has terminated abnormally");
return;
}
if (WEXITSTATUS(status)) {
error_setg(err, "child process has failed to shutdown");
error_setg(errp, "child process has failed to shutdown");
return;
}
@ -234,7 +235,7 @@ static int64_t guest_file_handle_add(FILE *fh, Error **errp)
return handle;
}
static GuestFileHandle *guest_file_handle_find(int64_t id, Error **err)
static GuestFileHandle *guest_file_handle_find(int64_t id, Error **errp)
{
GuestFileHandle *gfh;
@ -245,7 +246,7 @@ static GuestFileHandle *guest_file_handle_find(int64_t id, Error **err)
}
}
error_setg(err, "handle '%" PRId64 "' has not been found", id);
error_setg(errp, "handle '%" PRId64 "' has not been found", id);
return NULL;
}
@ -275,7 +276,7 @@ static const struct {
};
static int
find_open_flag(const char *mode_str, Error **err)
find_open_flag(const char *mode_str, Error **errp)
{
unsigned mode;
@ -292,7 +293,7 @@ find_open_flag(const char *mode_str, Error **err)
}
if (mode == ARRAY_SIZE(guest_file_open_modes)) {
error_setg(err, "invalid file open mode '%s'", mode_str);
error_setg(errp, "invalid file open mode '%s'", mode_str);
return -1;
}
return guest_file_open_modes[mode].oflag_base | O_NOCTTY | O_NONBLOCK;
@ -303,7 +304,7 @@ find_open_flag(const char *mode_str, Error **err)
S_IROTH | S_IWOTH)
static FILE *
safe_open_or_create(const char *path, const char *mode, Error **err)
safe_open_or_create(const char *path, const char *mode, Error **errp)
{
Error *local_err = NULL;
int oflag;
@ -370,11 +371,12 @@ safe_open_or_create(const char *path, const char *mode, Error **err)
}
}
error_propagate(err, local_err);
error_propagate(errp, local_err);
return NULL;
}
int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, Error **err)
int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode,
Error **errp)
{
FILE *fh;
Error *local_err = NULL;
@ -387,7 +389,7 @@ int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, E
slog("guest-file-open called, filepath: %s, mode: %s", path, mode);
fh = safe_open_or_create(path, mode, &local_err);
if (local_err != NULL) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
return -1;
}
@ -398,14 +400,14 @@ int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, E
ret = fcntl(fd, F_GETFL);
ret = fcntl(fd, F_SETFL, ret | O_NONBLOCK);
if (ret == -1) {
error_setg_errno(err, errno, "failed to make file '%s' non-blocking",
error_setg_errno(errp, errno, "failed to make file '%s' non-blocking",
path);
fclose(fh);
return -1;
}
handle = guest_file_handle_add(fh, err);
if (error_is_set(err)) {
handle = guest_file_handle_add(fh, errp);
if (error_is_set(errp)) {
fclose(fh);
return -1;
}
@ -414,9 +416,9 @@ int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, E
return handle;
}
void qmp_guest_file_close(int64_t handle, Error **err)
void qmp_guest_file_close(int64_t handle, Error **errp)
{
GuestFileHandle *gfh = guest_file_handle_find(handle, err);
GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
int ret;
slog("guest-file-close called, handle: %" PRId64, handle);
@ -426,7 +428,7 @@ void qmp_guest_file_close(int64_t handle, Error **err)
ret = fclose(gfh->fh);
if (ret == EOF) {
error_setg_errno(err, errno, "failed to close handle");
error_setg_errno(errp, errno, "failed to close handle");
return;
}
@ -435,9 +437,9 @@ void qmp_guest_file_close(int64_t handle, Error **err)
}
struct GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
int64_t count, Error **err)
int64_t count, Error **errp)
{
GuestFileHandle *gfh = guest_file_handle_find(handle, err);
GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
GuestFileRead *read_data = NULL;
guchar *buf;
FILE *fh;
@ -450,7 +452,7 @@ struct GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
if (!has_count) {
count = QGA_READ_COUNT_DEFAULT;
} else if (count < 0) {
error_setg(err, "value '%" PRId64 "' is invalid for argument count",
error_setg(errp, "value '%" PRId64 "' is invalid for argument count",
count);
return NULL;
}
@ -459,7 +461,7 @@ struct GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
buf = g_malloc0(count+1);
read_count = fread(buf, 1, count, fh);
if (ferror(fh)) {
error_setg_errno(err, errno, "failed to read file");
error_setg_errno(errp, errno, "failed to read file");
slog("guest-file-read failed, handle: %" PRId64, handle);
} else {
buf[read_count] = 0;
@ -477,13 +479,14 @@ struct GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
}
GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
bool has_count, int64_t count, Error **err)
bool has_count, int64_t count,
Error **errp)
{
GuestFileWrite *write_data = NULL;
guchar *buf;
gsize buf_len;
int write_count;
GuestFileHandle *gfh = guest_file_handle_find(handle, err);
GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
FILE *fh;
if (!gfh) {
@ -496,7 +499,7 @@ GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
if (!has_count) {
count = buf_len;
} else if (count < 0 || count > buf_len) {
error_setg(err, "value '%" PRId64 "' is invalid for argument count",
error_setg(errp, "value '%" PRId64 "' is invalid for argument count",
count);
g_free(buf);
return NULL;
@ -504,7 +507,7 @@ GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
write_count = fwrite(buf, 1, count, fh);
if (ferror(fh)) {
error_setg_errno(err, errno, "failed to write to file");
error_setg_errno(errp, errno, "failed to write to file");
slog("guest-file-write failed, handle: %" PRId64, handle);
} else {
write_data = g_malloc0(sizeof(GuestFileWrite));
@ -518,9 +521,9 @@ GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
}
struct GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
int64_t whence, Error **err)
int64_t whence, Error **errp)
{
GuestFileHandle *gfh = guest_file_handle_find(handle, err);
GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
GuestFileSeek *seek_data = NULL;
FILE *fh;
int ret;
@ -532,7 +535,7 @@ struct GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
fh = gfh->fh;
ret = fseek(fh, offset, whence);
if (ret == -1) {
error_setg_errno(err, errno, "failed to seek file");
error_setg_errno(errp, errno, "failed to seek file");
} else {
seek_data = g_new0(GuestFileSeek, 1);
seek_data->position = ftell(fh);
@ -543,9 +546,9 @@ struct GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
return seek_data;
}
void qmp_guest_file_flush(int64_t handle, Error **err)
void qmp_guest_file_flush(int64_t handle, Error **errp)
{
GuestFileHandle *gfh = guest_file_handle_find(handle, err);
GuestFileHandle *gfh = guest_file_handle_find(handle, errp);
FILE *fh;
int ret;
@ -556,7 +559,7 @@ void qmp_guest_file_flush(int64_t handle, Error **err)
fh = gfh->fh;
ret = fflush(fh);
if (ret == EOF) {
error_setg_errno(err, errno, "failed to flush file");
error_setg_errno(errp, errno, "failed to flush file");
}
}
@ -596,7 +599,7 @@ static void free_fs_mount_list(FsMountList *mounts)
/*
* Walk the mount table and build a list of local file systems
*/
static void build_fs_mount_list(FsMountList *mounts, Error **err)
static void build_fs_mount_list(FsMountList *mounts, Error **errp)
{
struct mntent *ment;
FsMount *mount;
@ -605,7 +608,7 @@ static void build_fs_mount_list(FsMountList *mounts, Error **err)
fp = setmntent(mtab, "r");
if (!fp) {
error_setg(err, "failed to open mtab file: '%s'", mtab);
error_setg(errp, "failed to open mtab file: '%s'", mtab);
return;
}
@ -645,7 +648,7 @@ const char *fsfreeze_hook_arg_string[] = {
"freeze",
};
static void execute_fsfreeze_hook(FsfreezeHookArg arg, Error **err)
static void execute_fsfreeze_hook(FsfreezeHookArg arg, Error **errp)
{
int status;
pid_t pid;
@ -658,7 +661,7 @@ static void execute_fsfreeze_hook(FsfreezeHookArg arg, Error **err)
return;
}
if (access(hook, X_OK) != 0) {
error_setg_errno(err, errno, "can't access fsfreeze hook '%s'", hook);
error_setg_errno(errp, errno, "can't access fsfreeze hook '%s'", hook);
return;
}
@ -673,24 +676,24 @@ static void execute_fsfreeze_hook(FsfreezeHookArg arg, Error **err)
execle(hook, hook, arg_str, NULL, environ);
_exit(EXIT_FAILURE);
} else if (pid < 0) {
error_setg_errno(err, errno, "failed to create child process");
error_setg_errno(errp, errno, "failed to create child process");
return;
}
ga_wait_child(pid, &status, &local_err);
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
return;
}
if (!WIFEXITED(status)) {
error_setg(err, "fsfreeze hook has terminated abnormally");
error_setg(errp, "fsfreeze hook has terminated abnormally");
return;
}
status = WEXITSTATUS(status);
if (status) {
error_setg(err, "fsfreeze hook has failed with status %d", status);
error_setg(errp, "fsfreeze hook has failed with status %d", status);
return;
}
}
@ -698,7 +701,7 @@ static void execute_fsfreeze_hook(FsfreezeHookArg arg, Error **err)
/*
* Return status of freeze/thaw
*/
GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **err)
GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
{
if (ga_is_frozen(ga_state)) {
return GUEST_FSFREEZE_STATUS_FROZEN;
@ -711,7 +714,7 @@ GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **err)
* Walk list of mounted file systems in the guest, and freeze the ones which
* are real local file systems.
*/
int64_t qmp_guest_fsfreeze_freeze(Error **err)
int64_t qmp_guest_fsfreeze_freeze(Error **errp)
{
int ret = 0, i = 0;
FsMountList mounts;
@ -723,14 +726,14 @@ int64_t qmp_guest_fsfreeze_freeze(Error **err)
execute_fsfreeze_hook(FSFREEZE_HOOK_FREEZE, &local_err);
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
return -1;
}
QTAILQ_INIT(&mounts);
build_fs_mount_list(&mounts, &local_err);
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
return -1;
}
@ -740,7 +743,7 @@ int64_t qmp_guest_fsfreeze_freeze(Error **err)
QTAILQ_FOREACH_REVERSE(mount, &mounts, FsMountList, next) {
fd = qemu_open(mount->dirname, O_RDONLY);
if (fd == -1) {
error_setg_errno(err, errno, "failed to open %s", mount->dirname);
error_setg_errno(errp, errno, "failed to open %s", mount->dirname);
goto error;
}
@ -756,7 +759,7 @@ int64_t qmp_guest_fsfreeze_freeze(Error **err)
ret = ioctl(fd, FIFREEZE);
if (ret == -1) {
if (errno != EOPNOTSUPP) {
error_setg_errno(err, errno, "failed to freeze %s",
error_setg_errno(errp, errno, "failed to freeze %s",
mount->dirname);
close(fd);
goto error;
@ -779,7 +782,7 @@ error:
/*
* Walk list of frozen file systems in the guest, and thaw them.
*/
int64_t qmp_guest_fsfreeze_thaw(Error **err)
int64_t qmp_guest_fsfreeze_thaw(Error **errp)
{
int ret;
FsMountList mounts;
@ -790,7 +793,7 @@ int64_t qmp_guest_fsfreeze_thaw(Error **err)
QTAILQ_INIT(&mounts);
build_fs_mount_list(&mounts, &local_err);
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
return 0;
}
@ -829,7 +832,7 @@ int64_t qmp_guest_fsfreeze_thaw(Error **err)
ga_unset_frozen(ga_state);
free_fs_mount_list(&mounts);
execute_fsfreeze_hook(FSFREEZE_HOOK_THAW, err);
execute_fsfreeze_hook(FSFREEZE_HOOK_THAW, errp);
return i;
}
@ -853,7 +856,7 @@ static void guest_fsfreeze_cleanup(void)
/*
* Walk list of mounted file systems in the guest, and trim them.
*/
void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **err)
void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
{
int ret = 0;
FsMountList mounts;
@ -871,14 +874,14 @@ void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **err)
QTAILQ_INIT(&mounts);
build_fs_mount_list(&mounts, &local_err);
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
return;
}
QTAILQ_FOREACH(mount, &mounts, next) {
fd = qemu_open(mount->dirname, O_RDONLY);
if (fd == -1) {
error_setg_errno(err, errno, "failed to open %s", mount->dirname);
error_setg_errno(errp, errno, "failed to open %s", mount->dirname);
goto error;
}
@ -891,7 +894,7 @@ void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **err)
ret = ioctl(fd, FITRIM, &r);
if (ret == -1) {
if (errno != ENOTTY && errno != EOPNOTSUPP) {
error_setg_errno(err, errno, "failed to trim %s",
error_setg_errno(errp, errno, "failed to trim %s",
mount->dirname);
close(fd);
goto error;
@ -911,7 +914,7 @@ error:
#define SUSPEND_NOT_SUPPORTED 1
static void bios_supports_mode(const char *pmutils_bin, const char *pmutils_arg,
const char *sysfile_str, Error **err)
const char *sysfile_str, Error **errp)
{
Error *local_err = NULL;
char *pmutils_path;
@ -961,18 +964,18 @@ static void bios_supports_mode(const char *pmutils_bin, const char *pmutils_arg,
_exit(SUSPEND_NOT_SUPPORTED);
} else if (pid < 0) {
error_setg_errno(err, errno, "failed to create child process");
error_setg_errno(errp, errno, "failed to create child process");
goto out;
}
ga_wait_child(pid, &status, &local_err);
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
goto out;
}
if (!WIFEXITED(status)) {
error_setg(err, "child process has terminated abnormally");
error_setg(errp, "child process has terminated abnormally");
goto out;
}
@ -980,11 +983,11 @@ static void bios_supports_mode(const char *pmutils_bin, const char *pmutils_arg,
case SUSPEND_SUPPORTED:
goto out;
case SUSPEND_NOT_SUPPORTED:
error_setg(err,
error_setg(errp,
"the requested suspend mode is not supported by the guest");
goto out;
default:
error_setg(err,
error_setg(errp,
"the helper program '%s' returned an unexpected exit status"
" code (%d)", pmutils_path, WEXITSTATUS(status));
goto out;
@ -995,7 +998,7 @@ out:
}
static void guest_suspend(const char *pmutils_bin, const char *sysfile_str,
Error **err)
Error **errp)
{
Error *local_err = NULL;
char *pmutils_path;
@ -1038,23 +1041,23 @@ static void guest_suspend(const char *pmutils_bin, const char *sysfile_str,
_exit(EXIT_SUCCESS);
} else if (pid < 0) {
error_setg_errno(err, errno, "failed to create child process");
error_setg_errno(errp, errno, "failed to create child process");
goto out;
}
ga_wait_child(pid, &status, &local_err);
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
goto out;
}
if (!WIFEXITED(status)) {
error_setg(err, "child process has terminated abnormally");
error_setg(errp, "child process has terminated abnormally");
goto out;
}
if (WEXITSTATUS(status)) {
error_setg(err, "child process has failed to suspend");
error_setg(errp, "child process has failed to suspend");
goto out;
}
@ -1062,34 +1065,34 @@ out:
g_free(pmutils_path);
}
void qmp_guest_suspend_disk(Error **err)
void qmp_guest_suspend_disk(Error **errp)
{
bios_supports_mode("pm-is-supported", "--hibernate", "disk", err);
if (error_is_set(err)) {
bios_supports_mode("pm-is-supported", "--hibernate", "disk", errp);
if (error_is_set(errp)) {
return;
}
guest_suspend("pm-hibernate", "disk", err);
guest_suspend("pm-hibernate", "disk", errp);
}
void qmp_guest_suspend_ram(Error **err)
void qmp_guest_suspend_ram(Error **errp)
{
bios_supports_mode("pm-is-supported", "--suspend", "mem", err);
if (error_is_set(err)) {
bios_supports_mode("pm-is-supported", "--suspend", "mem", errp);
if (error_is_set(errp)) {
return;
}
guest_suspend("pm-suspend", "mem", err);
guest_suspend("pm-suspend", "mem", errp);
}
void qmp_guest_suspend_hybrid(Error **err)
void qmp_guest_suspend_hybrid(Error **errp)
{
bios_supports_mode("pm-is-supported", "--suspend-hybrid", NULL, err);
if (error_is_set(err)) {
bios_supports_mode("pm-is-supported", "--suspend-hybrid", NULL, errp);
if (error_is_set(errp)) {
return;
}
guest_suspend("pm-suspend-hybrid", NULL, err);
guest_suspend("pm-suspend-hybrid", NULL, errp);
}
static GuestNetworkInterfaceList *
@ -1252,9 +1255,9 @@ error:
return NULL;
}
#define SYSCONF_EXACT(name, err) sysconf_exact((name), #name, (err))
#define SYSCONF_EXACT(name, errp) sysconf_exact((name), #name, (errp))
static long sysconf_exact(int name, const char *name_str, Error **err)
static long sysconf_exact(int name, const char *name_str, Error **errp)
{
long ret;
@ -1262,9 +1265,9 @@ static long sysconf_exact(int name, const char *name_str, Error **err)
ret = sysconf(name);
if (ret == -1) {
if (errno == 0) {
error_setg(err, "sysconf(%s): value indefinite", name_str);
error_setg(errp, "sysconf(%s): value indefinite", name_str);
} else {
error_setg_errno(err, errno, "sysconf(%s)", name_str);
error_setg_errno(errp, errno, "sysconf(%s)", name_str);
}
}
return ret;
@ -1410,19 +1413,19 @@ int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
#else /* defined(__linux__) */
void qmp_guest_suspend_disk(Error **err)
void qmp_guest_suspend_disk(Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
}
void qmp_guest_suspend_ram(Error **err)
void qmp_guest_suspend_ram(Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
}
void qmp_guest_suspend_hybrid(Error **err)
void qmp_guest_suspend_hybrid(Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
}
GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
@ -1447,32 +1450,32 @@ int64_t qmp_guest_set_vcpus(GuestLogicalProcessorList *vcpus, Error **errp)
#if !defined(CONFIG_FSFREEZE)
GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **err)
GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
int64_t qmp_guest_fsfreeze_freeze(Error **err)
int64_t qmp_guest_fsfreeze_freeze(Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
int64_t qmp_guest_fsfreeze_thaw(Error **err)
int64_t qmp_guest_fsfreeze_thaw(Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
#endif /* CONFIG_FSFREEZE */
#if !defined(CONFIG_FSTRIM)
void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **err)
void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
}
#endif

105
qga/commands-win32.c
View File

@ -29,13 +29,13 @@
(365 * (1970 - 1601) + \
(1970 - 1601) / 4 - 3))
static void acquire_privilege(const char *name, Error **err)
static void acquire_privilege(const char *name, Error **errp)
{
HANDLE token;
TOKEN_PRIVILEGES priv;
Error *local_err = NULL;
if (error_is_set(err)) {
if (error_is_set(errp)) {
return;
}
@ -65,26 +65,27 @@ static void acquire_privilege(const char *name, Error **err)
out:
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
}
}
static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque, Error **err)
static void execute_async(DWORD WINAPI (*func)(LPVOID), LPVOID opaque,
Error **errp)
{
Error *local_err = NULL;
if (error_is_set(err)) {
if (error_is_set(errp)) {
return;
}
HANDLE thread = CreateThread(NULL, 0, func, opaque, 0, NULL);
if (!thread) {
error_set(&local_err, QERR_QGA_COMMAND_FAILED,
"failed to dispatch asynchronous command");
error_propagate(err, local_err);
error_propagate(errp, local_err);
}
}
void qmp_guest_shutdown(bool has_mode, const char *mode, Error **err)
void qmp_guest_shutdown(bool has_mode, const char *mode, Error **errp)
{
UINT shutdown_flag = EWX_FORCE;
@ -97,68 +98,70 @@ void qmp_guest_shutdown(bool has_mode, const char *mode, Error **err)
} else if (strcmp(mode, "reboot") == 0) {
shutdown_flag |= EWX_REBOOT;
} else {
error_set(err, QERR_INVALID_PARAMETER_VALUE, "mode",
error_set(errp, QERR_INVALID_PARAMETER_VALUE, "mode",
"halt|powerdown|reboot");
return;
}
/* Request a shutdown privilege, but try to shut down the system
anyway. */
acquire_privilege(SE_SHUTDOWN_NAME, err);
if (error_is_set(err)) {
acquire_privilege(SE_SHUTDOWN_NAME, errp);
if (error_is_set(errp)) {
return;
}
if (!ExitWindowsEx(shutdown_flag, SHTDN_REASON_FLAG_PLANNED)) {
slog("guest-shutdown failed: %lu", GetLastError());
error_set(err, QERR_UNDEFINED_ERROR);
error_set(errp, QERR_UNDEFINED_ERROR);
}
}
int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode, Error **err)
int64_t qmp_guest_file_open(const char *path, bool has_mode, const char *mode,
Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
void qmp_guest_file_close(int64_t handle, Error **err)
void qmp_guest_file_close(int64_t handle, Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
}
GuestFileRead *qmp_guest_file_read(int64_t handle, bool has_count,
int64_t count, Error **err)
int64_t count, Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
GuestFileWrite *qmp_guest_file_write(int64_t handle, const char *buf_b64,
bool has_count, int64_t count, Error **err)
bool has_count, int64_t count,
Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
GuestFileSeek *qmp_guest_file_seek(int64_t handle, int64_t offset,
int64_t whence, Error **err)
int64_t whence, Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
void qmp_guest_file_flush(int64_t handle, Error **err)
void qmp_guest_file_flush(int64_t handle, Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
}
/*
* Return status of freeze/thaw
*/
GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **err)
GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **errp)
{
if (!vss_initialized()) {
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
@ -173,13 +176,13 @@ GuestFsfreezeStatus qmp_guest_fsfreeze_status(Error **err)
* Freeze local file systems using Volume Shadow-copy Service.
* The frozen state is limited for up to 10 seconds by VSS.
*/
int64_t qmp_guest_fsfreeze_freeze(Error **err)
int64_t qmp_guest_fsfreeze_freeze(Error **errp)
{
int i;
Error *local_err = NULL;
if (!vss_initialized()) {
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
@ -188,8 +191,8 @@ int64_t qmp_guest_fsfreeze_freeze(Error **err)
/* cannot risk guest agent blocking itself on a write in this state */
ga_set_frozen(ga_state);
qga_vss_fsfreeze(&i, err, true);
if (error_is_set(err)) {
qga_vss_fsfreeze(&i, errp, true);
if (error_is_set(errp)) {
goto error;
}
@ -207,16 +210,16 @@ error:
/*
* Thaw local file systems using Volume Shadow-copy Service.
*/
int64_t qmp_guest_fsfreeze_thaw(Error **err)
int64_t qmp_guest_fsfreeze_thaw(Error **errp)
{
int i;
if (!vss_initialized()) {
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return 0;
}
qga_vss_fsfreeze(&i, err, false);
qga_vss_fsfreeze(&i, errp, false);
ga_unset_frozen(ga_state);
return i;
@ -246,9 +249,9 @@ static void guest_fsfreeze_cleanup(void)
* Walk list of mounted file systems in the guest, and discard unused
* areas.
*/
void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **err)
void qmp_guest_fstrim(bool has_minimum, int64_t minimum, Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
}
typedef enum {
@ -256,12 +259,12 @@ typedef enum {
GUEST_SUSPEND_MODE_RAM
} GuestSuspendMode;
static void check_suspend_mode(GuestSuspendMode mode, Error **err)
static void check_suspend_mode(GuestSuspendMode mode, Error **errp)
{
SYSTEM_POWER_CAPABILITIES sys_pwr_caps;
Error *local_err = NULL;
if (error_is_set(err)) {
if (error_is_set(errp)) {
return;
}
ZeroMemory(&sys_pwr_caps, sizeof(sys_pwr_caps));
@ -291,7 +294,7 @@ static void check_suspend_mode(GuestSuspendMode mode, Error **err)
out:
if (local_err) {
error_propagate(err, local_err);
error_propagate(errp, local_err);
}
}
@ -308,42 +311,42 @@ static DWORD WINAPI do_suspend(LPVOID opaque)
return ret;
}
void qmp_guest_suspend_disk(Error **err)
void qmp_guest_suspend_disk(Error **errp)
{
GuestSuspendMode *mode = g_malloc(sizeof(GuestSuspendMode));
*mode = GUEST_SUSPEND_MODE_DISK;
check_suspend_mode(*mode, err);
acquire_privilege(SE_SHUTDOWN_NAME, err);
execute_async(do_suspend, mode, err);
check_suspend_mode(*mode, errp);
acquire_privilege(SE_SHUTDOWN_NAME, errp);
execute_async(do_suspend, mode, errp);
if (error_is_set(err)) {
if (error_is_set(errp)) {
g_free(mode);
}
}
void qmp_guest_suspend_ram(Error **err)
void qmp_guest_suspend_ram(Error **errp)
{
GuestSuspendMode *mode = g_malloc(sizeof(GuestSuspendMode));
*mode = GUEST_SUSPEND_MODE_RAM;
check_suspend_mode(*mode, err);
acquire_privilege(SE_SHUTDOWN_NAME, err);
execute_async(do_suspend, mode, err);
check_suspend_mode(*mode, errp);
acquire_privilege(SE_SHUTDOWN_NAME, errp);
execute_async(do_suspend, mode, errp);
if (error_is_set(err)) {
if (error_is_set(errp)) {
g_free(mode);
}
}
void qmp_guest_suspend_hybrid(Error **err)
void qmp_guest_suspend_hybrid(Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
}
GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **err)
GuestNetworkInterfaceList *qmp_guest_network_get_interfaces(Error **errp)
{
error_set(err, QERR_UNSUPPORTED);
error_set(errp, QERR_UNSUPPORTED);
return NULL;
}

4
qga/commands.c
View File

@ -40,7 +40,7 @@ int64_t qmp_guest_sync(int64_t id, Error **errp)
return id;
}
void qmp_guest_ping(Error **err)
void qmp_guest_ping(Error **errp)
{
slog("guest-ping called");
}
@ -62,7 +62,7 @@ static void qmp_command_info(QmpCommand *cmd, void *opaque)
info->supported_commands = cmd_info_list;
}
struct GuestAgentInfo *qmp_guest_info(Error **err)
struct GuestAgentInfo *qmp_guest_info(Error **errp)
{
GuestAgentInfo *info = g_malloc0(sizeof(GuestAgentInfo));

6
qga/vss-win32.c
View File

@ -145,19 +145,19 @@ void ga_uninstall_vss_provider(void)
}
/* Call VSS requester and freeze/thaw filesystems and applications */
void qga_vss_fsfreeze(int *nr_volume, Error **err, bool freeze)
void qga_vss_fsfreeze(int *nr_volume, Error **errp, bool freeze)
{
const char *func_name = freeze ? "requester_freeze" : "requester_thaw";
QGAVSSRequesterFunc func;
ErrorSet errset = {
.error_set = (ErrorSetFunc)error_set_win32,
.errp = (void **)err,
.errp = (void **)errp,
.err_class = ERROR_CLASS_GENERIC_ERROR
};
func = (QGAVSSRequesterFunc)GetProcAddress(provider_lib, func_name);
if (!func) {
error_setg_win32(err, GetLastError(), "failed to load %s from %s",
error_setg_win32(errp, GetLastError(), "failed to load %s from %s",
func_name, QGA_VSS_DLL);
return;
}

2
qga/vss-win32.h
View File

@ -22,6 +22,6 @@ bool vss_initialized(void);
int ga_install_vss_provider(void);
void ga_uninstall_vss_provider(void);
void qga_vss_fsfreeze(int *nr_volume, Error **err, bool freeze);
void qga_vss_fsfreeze(int *nr_volume, Error **errp, bool freeze);
#endif