* sysdeps/unix/bsd/bsd4.4/bits/socket.h (struct cmsgcred): New type.
(CMGROUP_MAX): New macro.
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2002-03-18 Roland McGrath <roland@frob.com>
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* sysdeps/unix/bsd/bsd4.4/bits/socket.h (struct cmsgcred): New type.
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(CMGROUP_MAX): New macro.
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2002-03-23 Roland McGrath <roland@frob.com>
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2002-03-23 Roland McGrath <roland@frob.com>
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* sysdeps/posix/shm_open.c (SHMDIR): /var/run/shm -> /dev/shm
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* sysdeps/posix/shm_open.c (SHMDIR): /var/run/shm -> /dev/shm
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@ -1,5 +1,5 @@
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/* System-specific socket constants and types. 4.4 BSD version.
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/* System-specific socket constants and types. 4.4 BSD version.
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Copyright (C) 1991,92,1994-1999,2000,2001 Free Software Foundation, Inc.
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Copyright (C) 1991,92,1994-1999,2000,01,02 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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The GNU C Library is free software; you can redistribute it and/or
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@ -255,10 +255,30 @@ enum
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#define SCM_RIGHTS SCM_RIGHTS
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#define SCM_RIGHTS SCM_RIGHTS
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SCM_TIMESTAMP = 0x02, /* Timestamp (struct timeval). */
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SCM_TIMESTAMP = 0x02, /* Timestamp (struct timeval). */
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#define SCM_TIMESTAMP SCM_TIMESTAMP
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#define SCM_TIMESTAMP SCM_TIMESTAMP
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SCM_CREDS = 0x03 /* Process creds (strcm cmsgcred). */
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SCM_CREDS = 0x03 /* Process creds (struct cmsgcred). */
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#define SCM_CREDS SCM_CREDS
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#define SCM_CREDS SCM_CREDS
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};
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};
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/* Unfortunately, BSD practice dictates this structure be of fixed size.
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If there are more than CMGROUP_MAX groups, the list is truncated.
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(On GNU systems, the `cmcred_euid' field is just the first in the
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list of effective UIDs.) */
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#define CMGROUP_MAX 16
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/* Structure delivered by SCM_CREDS. This describes the identity of the
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sender of the data simultaneously received on the socket. By BSD
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convention, this is included only when a sender on a AF_LOCAL socket
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sends cmsg data of this type and size; the sender's structure is
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ignored, and the system fills in the various IDs of the sender process. */
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struct cmsgcred
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{
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__pid_t cmcred_pid;
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__uid_t cmcred_uid;
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__uid_t cmcred_euid;
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__gid_t cmcred_gid;
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int cmcred_ngroups;
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__gid_t cmcred_groups[CMGROUP_MAX];
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};
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/* Protocol number used to manipulate socket-level options
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/* Protocol number used to manipulate socket-level options
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with `getsockopt' and `setsockopt'. */
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with `getsockopt' and `setsockopt'. */
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