shbuf_create.md 666 B

Name

shbuf_create - create a shareable memory buffer

Synopsis

#include <SharedBuffer.h>

int shbuf_create(int size, void** buffer);

Description

Creates a new memory region that can be shared with other processes. The region is only accessible to the calling process by default.

Return value

If a region is successfully created, shbuf_create() stores a pointer to the memory in buffer and returns a buffer ID. Otherwise, it returns -1 and sets errno to describe the error.

Errors

  • EINVAL: size is zero or negative.
  • EFAULT: buffer is not a valid address.

See also