CONFIG_NUM_MBOX_ASYNC_MSGS

Maximum number of in-flight asynchronous mailbox messages

Type: int

Help

This option specifies the total number of asynchronous mailbox
messages that can exist simultaneously, across all mailboxes
in the system.

Setting this option to 0 disables support for asynchronous
mailbox messages.

Default

• 10

Kconfig definition

At <Zephyr Kernel>/Kconfig:489

Included via Kconfig:8 → Kconfig.zephyr:40

Menu path: (Top) → General Kernel Options → Other Kernel Object Options

config NUM_MBOX_ASYNC_MSGS
    int "Maximum number of in-flight asynchronous mailbox messages"
    default 10
    help
      This option specifies the total number of asynchronous mailbox
      messages that can exist simultaneously, across all mailboxes
      in the system.

      Setting this option to 0 disables support for asynchronous
      mailbox messages.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)