CIRCLEQ_INSERT_AFTER - Linux

Overview

CIRCLEQ_INSERT_AFTER inserts an element after a specified element in a circular queue. This command is commonly used in kernel programming and data structures manipulation.

Syntax

CIRCLEQ_INSERT_AFTER(head, listelm, elm)

Parameters

• head: Pointer to the head of the circular queue.
• listelm: Pointer to the element after which to insert the new element.
• elm: Pointer to the element to insert.

Options/Flags

None.

Examples

// Insert an element after the head of the circular queue
CIRCLEQ_INSERT_AFTER(head, head, new_element);

// Insert an element after a specific element
CIRCLEQ_INSERT_AFTER(head, current_element, new_element);

Common Issues

• Null pointer error: Ensure that the provided parameters (head, listelm, and elm) are not NULL.

Integration

CIRCLEQ_INSERT_AFTER can be used in conjunction with other circular queue manipulation functions, such as CIRCLEQ_FIRST, CIRCLEQ_LAST, and CIRCLEQ_REMOVE.

Related Commands

• CIRCLEQ_INIT: Initializes a circular queue.
• CIRCLEQ_FIRST: Returns the first element in a circular queue.
• CIRCLEQ_LAST: Returns the last element in a circular queue.
• CIRCLEQ_REMOVE: Removes an element from a circular queue.