Screen permission masks

Types of permission masks

Synopsis:

#include <screen/screen.h>

enum {
    SCREEN_PERMISSION_IRWIN = (1 << 0),
    SCREEN_PERMISSION_IWWIN = (1 << 1),
    SCREEN_PERMISSION_IXWIN = (1 << 2),
    SCREEN_PERMISSION_IRTOP = (1 << 4),
    SCREEN_PERMISSION_IWTOP = (1 << 5),
    SCREEN_PERMISSION_IXTOP = (1 << 6),
    SCREEN_PERMISSION_IRPID = (1 << 8),
    SCREEN_PERMISSION_IWPID = (1 << 9),
    SCREEN_PERMISSION_IXPID = (1 << 10),
    SCREEN_PERMISSION_IRPGP = (1 << 12),
    SCREEN_PERMISSION_IWPGP = (1 << 13),
    SCREEN_PERMISSION_IXPGP = (1 << 14),
    SCREEN_PERMISSION_IRUSR = (1 << 16),
    SCREEN_PERMISSION_IWUSR = (1 << 17),
    SCREEN_PERMISSION_IXUSR = (1 << 18),
    SCREEN_PERMISSION_IRGRP = (1 << 20),
    SCREEN_PERMISSION_IWGRP = (1 << 21),
    SCREEN_PERMISSION_IXGRP = (1 << 22),
    SCREEN_PERMISSION_IRAGP = (1 << 24),
    SCREEN_PERMISSION_IWAGP = (1 << 25),
    SCREEN_PERMISSION_IXAGP = (1 << 26),
    SCREEN_PERMISSION_IROTH = (1 << 28),
    SCREEN_PERMISSION_IWOTH = (1 << 29),
    SCREEN_PERMISSION_IXOTH = (1 << 30)
};

Data:

SCREEN_PERMISSION_IRWIN: Read access to the owner of a window.
SCREEN_PERMISSION_IWWIN: Write access to the owner of a window.
SCREEN_PERMISSION_IXWIN: Inject access to the owner of a window.
SCREEN_PERMISSION_IRTOP: Read access to the parent of a window.
SCREEN_PERMISSION_IWTOP: Write access to the parent of a window.
SCREEN_PERMISSION_IXTOP: Inject access to the parent of a window.
SCREEN_PERMISSION_IRPID: Read access to contexts with the same process identifier.
SCREEN_PERMISSION_IWPID: Write access to contexts with the same process identifier.
SCREEN_PERMISSION_IXPID: Inject access to contexts with the same process identifier.
SCREEN_PERMISSION_IRPGP: Read access to others with the same process group identifier.
SCREEN_PERMISSION_IWPGP: Write access to others with the same process group identifier.
SCREEN_PERMISSION_IXPGP: Inject access to others with the same process group identifier.
SCREEN_PERMISSION_IRUSR: Read access to clients with the same user identifier.
SCREEN_PERMISSION_IWUSR: Write access to clients with the same user identifier.
SCREEN_PERMISSION_IXUSR: Inject access to clients with the same user identifier.
SCREEN_PERMISSION_IRGRP: Read access to clients with the same group identifier.
SCREEN_PERMISSION_IWGRP: Write access to clients with the same group identifier.
SCREEN_PERMISSION_IXGRP: Inject access to clients with the same group identifier.
SCREEN_PERMISSION_IRAGP: Read access to others in the same application group.
SCREEN_PERMISSION_IWAGP: Write access to others in the same application group.
SCREEN_PERMISSION_IXAGP: Inject access to others in the same application group.
SCREEN_PERMISSION_IROTH: Read access to all others.
SCREEN_PERMISSION_IWOTH: Write access to all others.
SCREEN_PERMISSION_IXOTH: Inject access to all others.

Library:

libscreen

Description:

These masks are intended to be combined in a single integer bitmask representing combinations of desired permissions to be applied to a window.

Page updated: August 11, 2025