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[Qemu-devel] [PULL 5/9] QemuOpts: Convert qemu_opts_foreach() to Error
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From: |
Markus Armbruster |
|
Subject: |
[Qemu-devel] [PULL 5/9] QemuOpts: Convert qemu_opts_foreach() to Error |
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Date: |
Mon, 8 Jun 2015 20:02:13 +0200 |
Retain the function value for now, to permit selective conversion of
its callers.
Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Acked-by: Kevin Wolf <address@hidden>
---
block/blkdebug.c | 6 ++--
hw/core/qdev-properties-system.c | 5 +--
include/qemu/option.h | 4 +--
include/ui/console.h | 2 +-
net/net.c | 9 ++---
net/vhost-user.c | 4 +--
numa.c | 4 +--
tpm.c | 6 ++--
ui/vnc.c | 2 +-
util/qemu-config.c | 4 +--
util/qemu-option.c | 8 +++--
vl.c | 74 ++++++++++++++++++++++++----------------
12 files changed, 73 insertions(+), 55 deletions(-)
diff --git a/block/blkdebug.c b/block/blkdebug.c
index 58f5105..be0d273 100644
--- a/block/blkdebug.c
+++ b/block/blkdebug.c
@@ -219,7 +219,7 @@ struct add_rule_data {
Error **errp;
};
-static int add_rule(QemuOpts *opts, void *opaque)
+static int add_rule(void *opaque, QemuOpts *opts, Error **errp)
{
struct add_rule_data *d = opaque;
BDRVBlkdebugState *s = d->s;
@@ -320,7 +320,7 @@ static int read_config(BDRVBlkdebugState *s, const char
*filename,
d.s = s;
d.action = ACTION_INJECT_ERROR;
d.errp = &local_err;
- qemu_opts_foreach(&inject_error_opts, add_rule, &d);
+ qemu_opts_foreach(&inject_error_opts, add_rule, &d, NULL);
if (local_err) {
error_propagate(errp, local_err);
ret = -EINVAL;
@@ -328,7 +328,7 @@ static int read_config(BDRVBlkdebugState *s, const char
*filename,
}
d.action = ACTION_SET_STATE;
- qemu_opts_foreach(&set_state_opts, add_rule, &d);
+ qemu_opts_foreach(&set_state_opts, add_rule, &d, NULL);
if (local_err) {
error_propagate(errp, local_err);
ret = -EINVAL;
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index 93daeb0..0309fe5 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -389,7 +389,7 @@ void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd)
nd->instantiated = 1;
}
-static int qdev_add_one_global(QemuOpts *opts, void *opaque)
+static int qdev_add_one_global(void *opaque, QemuOpts *opts, Error **errp)
{
GlobalProperty *g;
@@ -404,5 +404,6 @@ static int qdev_add_one_global(QemuOpts *opts, void *opaque)
void qemu_add_globals(void)
{
- qemu_opts_foreach(qemu_find_opts("global"), qdev_add_one_global, NULL);
+ qemu_opts_foreach(qemu_find_opts("global"),
+ qdev_add_one_global, NULL, NULL);
}
diff --git a/include/qemu/option.h b/include/qemu/option.h
index 2edf58f..a3850b2 100644
--- a/include/qemu/option.h
+++ b/include/qemu/option.h
@@ -125,9 +125,9 @@ QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const
QDict *qdict,
QDict *qemu_opts_to_qdict(QemuOpts *opts, QDict *qdict);
void qemu_opts_absorb_qdict(QemuOpts *opts, QDict *qdict, Error **errp);
-typedef int (*qemu_opts_loopfunc)(QemuOpts *opts, void *opaque);
+typedef int (*qemu_opts_loopfunc)(void *opaque, QemuOpts *opts, Error **errp);
int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func,
- void *opaque);
+ void *opaque, Error **errp);
void qemu_opts_print(QemuOpts *opts, const char *sep);
void qemu_opts_print_help(QemuOptsList *list);
void qemu_opts_free(QemuOptsList *list);
diff --git a/include/ui/console.h b/include/ui/console.h
index 06e4739..de92523 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -370,7 +370,7 @@ char *vnc_display_local_addr(const char *id);
int vnc_display_password(const char *id, const char *password);
int vnc_display_pw_expire(const char *id, time_t expires);
QemuOpts *vnc_parse_func(const char *str);
-int vnc_init_func(QemuOpts *opts, void *opaque);
+int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
#else
static inline int vnc_display_password(const char *id, const char *password)
{
diff --git a/net/net.c b/net/net.c
index 011de59..25c2ef3 100644
--- a/net/net.c
+++ b/net/net.c
@@ -1329,7 +1329,7 @@ void net_check_clients(void)
}
}
-static int net_init_client(QemuOpts *opts, void *dummy)
+static int net_init_client(void *dummy, QemuOpts *opts, Error **errp)
{
Error *local_err = NULL;
@@ -1342,7 +1342,7 @@ static int net_init_client(QemuOpts *opts, void *dummy)
return 0;
}
-static int net_init_netdev(QemuOpts *opts, void *dummy)
+static int net_init_netdev(void *dummy, QemuOpts *opts, Error **errp)
{
Error *local_err = NULL;
int ret;
@@ -1373,11 +1373,12 @@ int net_init_clients(void)
QTAILQ_INIT(&net_clients);
- if (qemu_opts_foreach(qemu_find_opts("netdev"), net_init_netdev, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("netdev"),
+ net_init_netdev, NULL, NULL)) {
return -1;
}
- if (qemu_opts_foreach(net, net_init_client, NULL)) {
+ if (qemu_opts_foreach(net, net_init_client, NULL, NULL)) {
return -1;
}
diff --git a/net/vhost-user.c b/net/vhost-user.c
index f1a15ce..cce168a 100644
--- a/net/vhost-user.c
+++ b/net/vhost-user.c
@@ -204,7 +204,7 @@ static CharDriverState *net_vhost_parse_chardev(const
NetdevVhostUserOptions *op
return chr;
}
-static int net_vhost_check_net(QemuOpts *opts, void *opaque)
+static int net_vhost_check_net(void *opaque, QemuOpts *opts, Error **errp)
{
const char *name = opaque;
const char *driver, *netdev;
@@ -245,7 +245,7 @@ int net_init_vhost_user(const NetClientOptions *opts, const
char *name,
/* verify net frontend */
if (qemu_opts_foreach(qemu_find_opts("device"), net_vhost_check_net,
- (char *)name)) {
+ (char *)name, NULL)) {
return -1;
}
diff --git a/numa.c b/numa.c
index 360a595..d227ccc 100644
--- a/numa.c
+++ b/numa.c
@@ -125,7 +125,7 @@ static void numa_node_parse(NumaNodeOptions *node, QemuOpts
*opts, Error **errp)
max_numa_nodeid = MAX(max_numa_nodeid, nodenr + 1);
}
-static int parse_numa(QemuOpts *opts, void *opaque)
+static int parse_numa(void *opaque, QemuOpts *opts, Error **errp)
{
NumaOptions *object = NULL;
Error *err = NULL;
@@ -216,7 +216,7 @@ void parse_numa_opts(MachineClass *mc)
{
int i;
- if (qemu_opts_foreach(qemu_find_opts("numa"), parse_numa, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("numa"), parse_numa, NULL, NULL)) {
exit(1);
}
diff --git a/tpm.c b/tpm.c
index bca3b3a..a3f3b7f 100644
--- a/tpm.c
+++ b/tpm.c
@@ -182,7 +182,7 @@ static int configure_tpm(QemuOpts *opts)
return 0;
}
-static int tpm_init_tpmdev(QemuOpts *opts, void *dummy)
+static int tpm_init_tpmdev(void *dummy, QemuOpts *opts, Error **errp)
{
return configure_tpm(opts);
}
@@ -207,12 +207,12 @@ void tpm_cleanup(void)
*/
int tpm_init(void)
{
- if (qemu_opts_foreach(qemu_find_opts("tpmdev"), tpm_init_tpmdev, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("tpmdev"),
+ tpm_init_tpmdev, NULL, NULL)) {
return -1;
}
atexit(tpm_cleanup);
-
return 0;
}
diff --git a/ui/vnc.c b/ui/vnc.c
index 1013ea5..0c6b5e3 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -3770,7 +3770,7 @@ QemuOpts *vnc_parse_func(const char *str)
return opts;
}
-int vnc_init_func(QemuOpts *opts, void *opaque)
+int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp)
{
Error *local_err = NULL;
char *id = (char *)qemu_opts_id(opts);
diff --git a/util/qemu-config.c b/util/qemu-config.c
index b38927a..a88461f 100644
--- a/util/qemu-config.c
+++ b/util/qemu-config.c
@@ -343,7 +343,7 @@ static int config_write_opt(const char *name, const char
*value, void *opaque)
return 0;
}
-static int config_write_opts(QemuOpts *opts, void *opaque)
+static int config_write_opts(void *opaque, QemuOpts *opts, Error **errp)
{
struct ConfigWriteData *data = opaque;
const char *id = qemu_opts_id(opts);
@@ -367,7 +367,7 @@ void qemu_config_write(FILE *fp)
fprintf(fp, "# qemu config file\n\n");
for (i = 0; lists[i] != NULL; i++) {
data.list = lists[i];
- qemu_opts_foreach(data.list, config_write_opts, &data);
+ qemu_opts_foreach(data.list, config_write_opts, &data, NULL);
}
}
diff --git a/util/qemu-option.c b/util/qemu-option.c
index 7672aae..07b03e3 100644
--- a/util/qemu-option.c
+++ b/util/qemu-option.c
@@ -1047,13 +1047,14 @@ void qemu_opts_validate(QemuOpts *opts, const
QemuOptDesc *desc, Error **errp)
}
/**
- * For each member of @list, call @func(member, @opaque).
+ * For each member of @list, call @func(@opaque, member, @errp).
* Call it with the current location temporarily set to the member's.
+ * @func() may store an Error through @errp, but must return non-zero then.
* When @func() returns non-zero, break the loop and return that value.
* Return zero when the loop completes.
*/
int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func,
- void *opaque)
+ void *opaque, Error **errp)
{
Location loc;
QemuOpts *opts;
@@ -1062,10 +1063,11 @@ int qemu_opts_foreach(QemuOptsList *list,
qemu_opts_loopfunc func,
loc_push_none(&loc);
QTAILQ_FOREACH(opts, &list->head, next) {
loc_restore(&opts->loc);
- rc = func(opts, opaque);
+ rc = func(opaque, opts, errp);
if (rc) {
return rc;
}
+ assert(!errp || !*errp);
}
loc_pop(&loc);
return 0;
diff --git a/vl.c b/vl.c
index f360e11..ffc2cdb 100644
--- a/vl.c
+++ b/vl.c
@@ -515,7 +515,7 @@ static void res_free(void)
}
}
-static int default_driver_check(QemuOpts *opts, void *opaque)
+static int default_driver_check(void *opaque, QemuOpts *opts, Error **errp)
{
const char *driver = qemu_opt_get(opts, "driver");
int i;
@@ -961,7 +961,7 @@ static int bt_parse(const char *opt)
return 1;
}
-static int parse_sandbox(QemuOpts *opts, void *opaque)
+static int parse_sandbox(void *opaque, QemuOpts *opts, Error **errp)
{
/* FIXME: change this to true for 1.3 */
if (qemu_opt_get_bool(opts, "enable", false)) {
@@ -981,7 +981,7 @@ static int parse_sandbox(QemuOpts *opts, void *opaque)
return 0;
}
-static int parse_name(QemuOpts *opts, void *opaque)
+static int parse_name(void *opaque, QemuOpts *opts, Error **errp)
{
const char *proc_name;
@@ -1009,7 +1009,7 @@ bool usb_enabled(void)
}
#ifndef _WIN32
-static int parse_add_fd(QemuOpts *opts, void *opaque)
+static int parse_add_fd(void *opaque, QemuOpts *opts, Error **errp)
{
int fd, dupfd, flags;
int64_t fdset_id;
@@ -1071,7 +1071,7 @@ static int parse_add_fd(QemuOpts *opts, void *opaque)
return 0;
}
-static int cleanup_add_fd(QemuOpts *opts, void *opaque)
+static int cleanup_add_fd(void *opaque, QemuOpts *opts, Error **errp)
{
int fd;
@@ -1092,14 +1092,14 @@ static int cleanup_add_fd(QemuOpts *opts, void *opaque)
#define MTD_OPTS ""
#define SD_OPTS ""
-static int drive_init_func(QemuOpts *opts, void *opaque)
+static int drive_init_func(void *opaque, QemuOpts *opts, Error **errp)
{
BlockInterfaceType *block_default_type = opaque;
return drive_new(opts, *block_default_type) == NULL;
}
-static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
+static int drive_enable_snapshot(void *opaque, QemuOpts *opts, Error **errp)
{
if (qemu_opt_get(opts, "snapshot") == NULL) {
qemu_opt_set(opts, "snapshot", "on", &error_abort);
@@ -1119,7 +1119,7 @@ static void default_drive(int enable, int snapshot,
BlockInterfaceType type,
opts = drive_add(type, index, NULL, optstr);
if (snapshot) {
- drive_enable_snapshot(opts, NULL);
+ drive_enable_snapshot(NULL, opts, NULL);
}
dinfo = drive_new(opts, type);
@@ -2127,12 +2127,12 @@ char *qemu_find_file(int type, const char *name)
return NULL;
}
-static int device_help_func(QemuOpts *opts, void *opaque)
+static int device_help_func(void *opaque, QemuOpts *opts, Error **errp)
{
return qdev_device_help(opts);
}
-static int device_init_func(QemuOpts *opts, void *opaque)
+static int device_init_func(void *opaque, QemuOpts *opts, Error **errp)
{
DeviceState *dev;
@@ -2143,7 +2143,7 @@ static int device_init_func(QemuOpts *opts, void *opaque)
return 0;
}
-static int chardev_init_func(QemuOpts *opts, void *opaque)
+static int chardev_init_func(void *opaque, QemuOpts *opts, Error **errp)
{
Error *local_err = NULL;
@@ -2156,7 +2156,7 @@ static int chardev_init_func(QemuOpts *opts, void *opaque)
}
#ifdef CONFIG_VIRTFS
-static int fsdev_init_func(QemuOpts *opts, void *opaque)
+static int fsdev_init_func(void *opaque, QemuOpts *opts, Error **errp)
{
int ret;
ret = qemu_fsdev_add(opts);
@@ -2165,7 +2165,7 @@ static int fsdev_init_func(QemuOpts *opts, void *opaque)
}
#endif
-static int mon_init_func(QemuOpts *opts, void *opaque)
+static int mon_init_func(void *opaque, QemuOpts *opts, Error **errp)
{
CharDriverState *chr;
const char *chardev;
@@ -2606,7 +2606,7 @@ static int machine_set_property(const char *name, const
char *value,
return 0;
}
-static int object_create(QemuOpts *opts, void *opaque)
+static int object_create(void *opaque, QemuOpts *opts, Error **errp)
{
Error *err = NULL;
char *type = NULL;
@@ -3797,20 +3797,24 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
- if (qemu_opts_foreach(qemu_find_opts("sandbox"), parse_sandbox, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("sandbox"),
+ parse_sandbox, NULL, NULL)) {
exit(1);
}
- if (qemu_opts_foreach(qemu_find_opts("name"), parse_name, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("name"),
+ parse_name, NULL, NULL)) {
exit(1);
}
-#ifndef _WIN32
- if (qemu_opts_foreach(qemu_find_opts("add-fd"), parse_add_fd, NULL)) {
+#ifndef _win32
+ if (qemu_opts_foreach(qemu_find_opts("add-fd"),
+ parse_add_fd, NULL, NULL)) {
exit(1);
}
- if (qemu_opts_foreach(qemu_find_opts("add-fd"), cleanup_add_fd, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("add-fd"),
+ cleanup_add_fd, NULL, NULL)) {
exit(1);
}
#endif
@@ -3897,8 +3901,10 @@ int main(int argc, char **argv, char **envp)
machine_class->default_machine_opts, 0);
}
- qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL);
- qemu_opts_foreach(qemu_find_opts("global"), default_driver_check, NULL);
+ qemu_opts_foreach(qemu_find_opts("device"),
+ default_driver_check, NULL, NULL);
+ qemu_opts_foreach(qemu_find_opts("global"),
+ default_driver_check, NULL, NULL);
if (!vga_model && !default_vga) {
vga_interface_type = VGA_DEVICE;
@@ -4036,12 +4042,14 @@ int main(int argc, char **argv, char **envp)
socket_init();
- if (qemu_opts_foreach(qemu_find_opts("chardev"), chardev_init_func, NULL))
{
+ if (qemu_opts_foreach(qemu_find_opts("chardev"),
+ chardev_init_func, NULL, NULL)) {
exit(1);
}
#ifdef CONFIG_VIRTFS
- if (qemu_opts_foreach(qemu_find_opts("fsdev"), fsdev_init_func, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("fsdev"),
+ fsdev_init_func, NULL, NULL)) {
exit(1);
}
#endif
@@ -4051,11 +4059,13 @@ int main(int argc, char **argv, char **envp)
exit(1);
}
- if (qemu_opts_foreach(qemu_find_opts("device"), device_help_func, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("device"),
+ device_help_func, NULL, NULL)) {
exit(0);
}
- if (qemu_opts_foreach(qemu_find_opts("object"), object_create, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("object"),
+ object_create, NULL, NULL)) {
exit(1);
}
@@ -4189,9 +4199,10 @@ int main(int argc, char **argv, char **envp)
/* open the virtual block devices */
if (snapshot)
- qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot,
NULL);
+ qemu_opts_foreach(qemu_find_opts("drive"),
+ drive_enable_snapshot, NULL, NULL);
if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
- &machine_class->block_default_type)) {
+ &machine_class->block_default_type, NULL)) {
exit(1);
}
@@ -4202,7 +4213,8 @@ int main(int argc, char **argv, char **envp)
parse_numa_opts(machine_class);
- if (qemu_opts_foreach(qemu_find_opts("mon"), mon_init_func, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("mon"),
+ mon_init_func, NULL, NULL)) {
exit(1);
}
@@ -4268,7 +4280,8 @@ int main(int argc, char **argv, char **envp)
}
/* init generic devices */
- if (qemu_opts_foreach(qemu_find_opts("device"), device_init_func, NULL)) {
+ if (qemu_opts_foreach(qemu_find_opts("device"),
+ device_init_func, NULL, NULL)) {
exit(1);
}
@@ -4322,7 +4335,8 @@ int main(int argc, char **argv, char **envp)
#ifdef CONFIG_VNC
/* init remote displays */
- qemu_opts_foreach(qemu_find_opts("vnc"), vnc_init_func, NULL);
+ qemu_opts_foreach(qemu_find_opts("vnc"),
+ vnc_init_func, NULL, NULL);
if (show_vnc_port) {
char *ret = vnc_display_local_addr("default");
printf("VNC server running on `%s'\n", ret);
--
1.9.3
- [Qemu-devel] [PULL 0/9] Error reporting patches, Markus Armbruster, 2015/06/08
- [Qemu-devel] [PULL 2/9] vl: Print -device help at most once, Markus Armbruster, 2015/06/08
- [Qemu-devel] [PULL 1/9] vl: Report failure to sandbox at most once, Markus Armbruster, 2015/06/08
- [Qemu-devel] [PULL 9/9] vhost-user: Improve -netdev/netdev_add/-net/... error reporting, Markus Armbruster, 2015/06/08
- [Qemu-devel] [PULL 7/9] QemuOpts: Drop qemu_opt_foreach() parameter abort_on_failure, Markus Armbruster, 2015/06/08
- [Qemu-devel] [PULL 3/9] vl: Fail right after first bad -object, Markus Armbruster, 2015/06/08
- [Qemu-devel] [PULL 5/9] QemuOpts: Convert qemu_opts_foreach() to Error,
Markus Armbruster <=
- [Qemu-devel] [PULL 8/9] QemuOpts: Convert qemu_opt_foreach() to Error, Markus Armbruster, 2015/06/08
- [Qemu-devel] [PULL 4/9] QemuOpts: Drop qemu_opts_foreach() parameter abort_on_failure, Markus Armbruster, 2015/06/08
- [Qemu-devel] [PULL 6/9] blkdebug: Simplify passing of Error through qemu_opts_foreach(), Markus Armbruster, 2015/06/08
- Re: [Qemu-devel] [PULL 0/9] Error reporting patches, Peter Maydell, 2015/06/08