create_shared_buffer.md 696 B
Name
create_shared_buffer - create a shareable memory buffer
Synopsis
#include <SharedBuffer.h>
int create_shared_buffer(int size, void** buffer);
Description
Creates a new memory region that can be shared with other processes. The region is only accessible to the creating process by default.
Return value
If a region is successfully created, create_shared_buffer() 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:sizeis zero or negative.EFAULT:bufferis not a valid address.