1KEYCTL_JOIN_SESSION_KEYRINGL(i3n)ux Key Management CaKlElYsCTL_JOIN_SESSION_KEYRING(3)
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NAME

6       keyctl_join_session_keyring - Join a different session keyring
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SYNOPSIS

9       #include <keyutils.h>
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11       key_serial_t keyctl_join_session_keyring(const char *name);
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DESCRIPTION

14       keyctl_join_session_keyring()  changes  the  session keyring to which a
15       process is subscribed.
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17       If name is NULL then a new anonymous keyring will be created,  and  the
18       process will be subscribed to that.
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20       If  name  points  to a string, then if a keyring of that name is avail‐
21       able, the process will attempt to subscribe to that keyring, giving  an
22       error if that is not permitted; otherwise a new keyring of that name is
23       created and attached as the session keyring.
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25       To attach to an extant named keyring, the keyring must have search per‐
26       mission available to the calling process.
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RETURN VALUE

29       On  success  keyctl_join_session_keyring() returns the serial number of
30       the key it found or created.  On error, the value -1 will  be  returned
31       and errno will have been set to an appropriate error.
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ERRORS

34       ENOMEM Insufficient memory to create a key.
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36       EDQUOT The  key  quota for this user would be exceeded by creating this
37              key or linking it to the keyring.
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39       EACCES The named keyring exists, but is not searchable by  the  calling
40              process.
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LINKING

43       This  is  a  library  function  that can be found in libkeyutils.  When
44       linking, -lkeyutils should be specified to the linker.
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SEE ALSO

47       keyctl(1),
48       add_key(2),
49       keyctl(2),
50       request_key(2),
51       keyctl_get_keyring_ID(3),
52       keyctl_update(3),
53       keyctl_revoke(3),
54       keyctl_chown(3),
55       keyctl_setperm(3),
56       keyctl_describe(3),
57       keyctl_clear(3),
58       keyctl_link(3),
59       keyctl_unlink(3),
60       keyctl_search(3),
61       keyctl_read(3),
62       keyctl_instantiate(3),
63       keyctl_negate(3),
64       keyctl_set_reqkey_keyring(3),
65       keyctl_set_timeout(3),
66       keyctl_assume_authority(3),
67       keyctl_describe_alloc(3),
68       keyctl_read_alloc(3),
69       request-key(8)
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73Linux                             4 May 2006    KEYCTL_JOIN_SESSION_KEYRING(3)
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