C++ QTAILQ_HEAD_INITIALIZER函数代码示例

#include <ctype.h>
#include <errno.h>
#include <unistd.h>

#include "monitor/monitor.h"
#include "qemu/sockets.h"
#include "qemu/main-loop.h"

#ifndef AI_ADDRCONFIG
# define AI_ADDRCONFIG 0
#endif

/* used temporarily until all users are converted to QemuOpts */
QemuOptsList socket_optslist = {
    .name = "socket",
    .head = QTAILQ_HEAD_INITIALIZER(socket_optslist.head),
    .desc = {
        {
            .name = "path",
            .type = QEMU_OPT_STRING,
        },{
            .name = "host",
            .type = QEMU_OPT_STRING,
        },{
            .name = "port",
            .type = QEMU_OPT_STRING,
        },{
            .name = "to",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "ipv4",

    if (segment_name) {
        qdict_put(options, ARCHIPELAGO_OPT_SEGMENT,
                  qstring_from_str(segment_name));
        g_free(segment_name);
    }
    if (mport != NoPort) {
        qdict_put(options, ARCHIPELAGO_OPT_MPORT, qint_from_int(mport));
    }
    if (vport != NoPort) {
        qdict_put(options, ARCHIPELAGO_OPT_VPORT, qint_from_int(vport));
    }
}

static QemuOptsList archipelago_runtime_opts = {
    .name = "archipelago",
    .head = QTAILQ_HEAD_INITIALIZER(archipelago_runtime_opts.head),
    .desc = {
        {
            .name = ARCHIPELAGO_OPT_VOLUME,
            .type = QEMU_OPT_STRING,
            .help = "Name of the volume image",
        },
        {
            .name = ARCHIPELAGO_OPT_SEGMENT,
            .type = QEMU_OPT_STRING,
            .help = "Name of the Archipelago shared memory segment",
        },
        {
            .name = ARCHIPELAGO_OPT_MPORT,
            .type = QEMU_OPT_NUMBER,
            .help = "Archipelago mapperd port number"

#include "qemu-common.h"
#include "qemu-error.h"
#include "qemu-option.h"
#include "qemu-config.h"
#include "sysemu.h"
#include "hw/qdev.h"

QemuOptsList qemu_drive_opts = {
    .name = "drive",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_drive_opts.head),
    .desc = {
        {
            .name = "bus",
            .type = QEMU_OPT_NUMBER,
            .help = "bus number",
        },{
            .name = "unit",
            .type = QEMU_OPT_NUMBER,
            .help = "unit number (i.e. lun for scsi)",
        },{
            .name = "if",
            .type = QEMU_OPT_STRING,
            .help = "interface (ide, scsi, sd, mtd, floppy, pflash, virtio)",
        },{
            .name = "index",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "cyls",
            .type = QEMU_OPT_NUMBER,
            .help = "number of cylinders (ide disk geometry)",
        },{

}

static void qemu_rbd_memset(RADOSCB *rcb, int64_t offs)
{
    if (LIBRBD_USE_IOVEC) {
        RBDAIOCB *acb = rcb->acb;
        iov_memset(acb->qiov->iov, acb->qiov->niov, offs, 0,
                   acb->qiov->size - offs);
    } else {
        memset(rcb->buf + offs, 0, rcb->size - offs);
    }
}

static QemuOptsList runtime_opts = {
    .name = "rbd",
    .head = QTAILQ_HEAD_INITIALIZER(runtime_opts.head),
    .desc = {
        {
            .name = "pool",
            .type = QEMU_OPT_STRING,
            .help = "Rados pool name",
        },
        {
            .name = "image",
            .type = QEMU_OPT_STRING,
            .help = "Image name in the pool",
        },
        {
            .name = "conf",
            .type = QEMU_OPT_STRING,
            .help = "Rados config file location",

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "block/snapshot.h"
#include "block/block_int.h"
#include "qapi/qmp/qerror.h"

QemuOptsList internal_snapshot_opts = {
    .name = "snapshot",
    .head = QTAILQ_HEAD_INITIALIZER(internal_snapshot_opts.head),
    .desc = {
        {
            .name = SNAPSHOT_OPT_ID,
            .type = QEMU_OPT_STRING,
            .help = "snapshot id"
        },{
            .name = SNAPSHOT_OPT_NAME,
            .type = QEMU_OPT_STRING,
            .help = "snapshot name"
        },{
            /* end of list */
        }
    },
};

#include <unistd.h>

#include "qemu_socket.h"
#include "qemu-common.h" /* for qemu_isdigit */

#ifndef AI_ADDRCONFIG
# define AI_ADDRCONFIG 0
#endif

static int sockets_debug = 0;
static const int on=1, off=0;

/* used temporarely until all users are converted to QemuOpts */
static QemuOptsList dummy_opts = {
    .name = "dummy",
    .head = QTAILQ_HEAD_INITIALIZER(dummy_opts.head),
    .desc = {
        {
            .name = "path",
            .type = QEMU_OPT_STRING,
        },{
            .name = "host",
            .type = QEMU_OPT_STRING,
        },{
            .name = "port",
            .type = QEMU_OPT_STRING,
        },{
            .name = "to",
            .type = QEMU_OPT_NUMBER,
        },{
            .name = "ipv4",

        return -1;
    }

    data->blk = blk_new_open(data->filename, NULL, NULL,
                             BDRV_O_RDWR | BDRV_O_PROTOCOL, errp);
    if (!data->blk) {
        return -1;
    }

    return 0;
}


static QemuOptsList block_crypto_runtime_opts_luks = {
    .name = "crypto",
    .head = QTAILQ_HEAD_INITIALIZER(block_crypto_runtime_opts_luks.head),
    .desc = {
        {
            .name = BLOCK_CRYPTO_OPT_LUKS_KEY_SECRET,
            .type = QEMU_OPT_STRING,
            .help = "ID of the secret that provides the encryption key",
        },
        { /* end of list */ }
    },
};


static QemuOptsList block_crypto_create_opts_luks = {
    .name = "crypto",
    .head = QTAILQ_HEAD_INITIALIZER(block_crypto_create_opts_luks.head),
    .desc = {

 * 9p
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or
 * later.  See the COPYING file in the top-level directory.
 */

#include "qemu/osdep.h"
#include "qemu/config-file.h"
#include "qemu/option.h"
#include "qemu/module.h"
#include "qemu/throttle-options.h"

static QemuOptsList qemu_fsdev_opts = {
    .name = "fsdev",
    .implied_opt_name = "fsdriver",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_fsdev_opts.head),
    .desc = {
        {
            .name = "fsdriver",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "path",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "security_model",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "writeout",
            .type = QEMU_OPT_STRING,
        }, {
            .name = "readonly",

        return EPERM;
    case NBD_EIO:
        return EIO;
    case NBD_ENOMEM:
        return ENOMEM;
    case NBD_ENOSPC:
        return ENOSPC;
    case NBD_EINVAL:
    default:
        return EINVAL;
    }
}

/* Definitions for opaque data types */

static QTAILQ_HEAD(, NBDExport) exports = QTAILQ_HEAD_INITIALIZER(exports);

/* That's all folks */

/* Basic flow for negotiation

   Server         Client
   Negotiate

   or

   Server         Client
   Negotiate #1
                  Option
   Negotiate #2

 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#include "qemu/osdep.h"
#include <glib.h>

#include "qemu/config-file.h"     /* qemu_add_opts() */
#include "qemu/option.h"          /* qemu_opts_parse() */
#include "qapi/opts-visitor.h"    /* opts_visitor_new() */
#include "test-qapi-visit.h"      /* visit_type_UserDefOptions() */
#include "qapi/dealloc-visitor.h" /* qapi_dealloc_visitor_new() */

static QemuOptsList userdef_opts = {
    .name = "userdef",
    .head = QTAILQ_HEAD_INITIALIZER(userdef_opts.head),
    .desc = { { 0 } } /* validated with OptsVisitor */
};

/* fixture (= glib test case context) and test case manipulation */

typedef struct OptsVisitorFixture {
    UserDefOptions *userdef;
    Error *err;
} OptsVisitorFixture;


static void
setup_fixture(OptsVisitorFixture *f, gconstpointer test_data)
{
    const char *opts_string = test_data;

static const cmdinfo_t open_cmd = {
    .name       = "open",
    .altname    = "o",
    .cfunc      = open_f,
    .argmin     = 1,
    .argmax     = -1,
    .flags      = CMD_NOFILE_OK,
    .args       = "[-Crsn] [-o options] [path]",
    .oneline    = "open the file specified by path",
    .help       = open_help,
};

static QemuOptsList empty_opts = {
    .name = "drive",
    .head = QTAILQ_HEAD_INITIALIZER(empty_opts.head),
    .desc = {
        /* no elements => accept any params */
        { /* end of list */ }
    },
};

static int open_f(BlockDriverState *bs, int argc, char **argv)
{
    int flags = 0;
    int readonly = 0;
    int growable = 0;
    int c;
    QemuOpts *qopts;
    QDict *opts = NULL;

#define ACPI_TABLE_HDR_SIZE sizeof(struct acpi_table_header)
#define ACPI_TABLE_PFX_SIZE sizeof(uint16_t)  /* size of the extra prefix */

static const char unsigned dfl_hdr[ACPI_TABLE_HDR_SIZE - ACPI_TABLE_PFX_SIZE] =
    "QEMU\0\0\0\0\1\0"       /* sig (4), len(4), revno (1), csum (1) */
    "QEMUQEQEMUQEMU\1\0\0\0" /* OEM id (6), table (8), revno (4) */
    "QEMU\1\0\0\0"           /* ASL compiler ID (4), version (4) */
    ;

char unsigned *acpi_tables;
size_t acpi_tables_len;

static QemuOptsList qemu_acpi_opts = {
    .name = "acpi",
    .implied_opt_name = "data",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_acpi_opts.head),
    .desc = { { 0 } } /* validated with OptsVisitor */
};

static void acpi_register_config(void)
{
    qemu_add_opts(&qemu_acpi_opts);
}

opts_init(acpi_register_config);

static int acpi_checksum(const uint8_t *data, int len)
{
    int sum, i;
    sum = 0;
    for (i = 0; i < len; i++) {

        inet->host = g_strdup(bindto);
        if (port) {
            inet->port = g_strdup(port);
        } else  {
            inet->port = g_strdup_printf("%d", NBD_DEFAULT_PORT);
        }
    }

    return saddr;
}


static QemuOptsList file_opts = {
    .name = "file",
    .implied_opt_name = "file",
    .head = QTAILQ_HEAD_INITIALIZER(file_opts.head),
    .desc = {
        /* no elements => accept any params */
        { /* end of list */ }
    },
};

static QemuOptsList qemu_object_opts = {
    .name = "object",
    .implied_opt_name = "qom-type",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_object_opts.head),
    .desc = {
        { }
    },
};

static struct {
    const char *manufacturer, *version, *serial, *asset, *sku;
} type3;

static struct {
    const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
} type4;

static struct {
    const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
} type17;

static QemuOptsList qemu_smbios_opts = {
    .name = "smbios",
    .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
    .desc = {
        /*
         * no elements => accept any params
         * validation will happen later
         */
        { /* end of list */ }
    }
};

static const QemuOptDesc qemu_smbios_file_opts[] = {
    {
        .name = "file",
        .type = QEMU_OPT_STRING,
        .help = "binary file containing an SMBIOS element",
    },

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#include "qemu/osdep.h"
#include "block/block_int.h"
#include "qapi/error.h"
#include "qemu/option.h"

static QemuOptsList raw_create_opts = {
    .name = "raw-create-opts",
    .head = QTAILQ_HEAD_INITIALIZER(raw_create_opts.head),
    .desc = {
        {
            .name = BLOCK_OPT_SIZE,
            .type = QEMU_OPT_SIZE,
            .help = "Virtual disk size"
        },
        { /* end of list */ }
    }
};

static int raw_reopen_prepare(BDRVReopenState *reopen_state,
                              BlockReopenQueue *queue, Error **errp)
{
    return 0;
}