shbuf_allow_pid.md 646 B
Name
shbuf_allow_pid - allow another process to map a shareable buffer
Synopsis
#include <SharedBuffer.h>
int shbuf_allow_pid(int shbuf_id, pid_t peer_pid);
Description
Gives the process with PID peer_pid permission to map the shareable buffer with ID shbuf_id.
Return value
On success, returns 0. Otherwise, returns -1 and errno is set.
Errors
EINVAL:peer_pidis invalid, orshbuf_idis not a valid ID.EPERM: The calling process does not have access to the buffer withshbuf_id.ESRCH: No process with PIDpeer_pidis found.