Message queues and pipes are a way of inter TASK communication USED to send and receive message between two tasks.

Pipes are virtual Io and unidirectional.messages are sent and received in form of BYTES. Message queue can be created with variable length messages are sent by passing address of the buffer which holds the message . message queue created with queue length of one is called as mailbox , it can be used for synchronization.

User reserved memory

System memory pool

WDB_POOL_SIZE

Vxworks + application

interrupt VECTOR

table,bootline, exception message

Message queues and pipes are a way of inter task communication used to send and receive message between two tasks.

Pipes are virtual Io and unidirectional.messages are sent and received in form of bytes. Message queue can be created with variable length messages are sent by passing address of the buffer which holds the message . message queue created with queue length of one is called as mailbox , it can be used for synchronization.

User reserved memory

System memory pool

WDB_POOL_SIZE

Vxworks + application

interrupt vector

table,bootline, exception message