minix/man/man2/getnucred.2

   1 .TH GETNUCRED 2
   2 .SH NAME
   3 getnucred \- obtain the credentials that correspond to the given endpoint.
   4 .SH SYNOPSIS
   5 .ft B
   6 #include <sys/socket.h>
   7 .in +5
   8 .ti -5
   9 #include <sys/ucred.h>
  10
  11 .ti -5
  12 int getnucred(endpoint_t \fIproc_ep\fP,  struct uucred * \fIucred\fP);
  13 .br
  14 .ft P
  15 .SH DESCRIPTION
  16 Given an endpoint \fIproc_ep\fP, this function will fill in \fIucred\fP
  17 with the \fIpid\fP, \fIuid\fP, and \fIgid\fP that correspond to that
  18 endpoint.
  19 .SH RETURN VALUES
  20 On success, this function returns 0 and \fIucred\fP will be filled in.
  21 On error, -1 is returned and \fIerrno\fP is set.
  22 .SH ERRORS
  23 .TP 15
  24 [EFAULT]
  25 The address pointed to by \fIucred\fP is not in a valid part of the
  26 process address space.
  27 [EPERM]
  28 The user calling this function has insufficient privileges. Only a user
  29 with an euid of 0 may call this function.
  30 [ESRCH]
  31 The endpoint was not found. This is caused by an invalid endpoint or an
  32 endpoint for a process that no longer exists.
  33 .SH SEE ALSO
  34 .BR getpid(2),
  35 .BR getuid(2),
  36 .BR getgid(2),
  37 .BR getnpid(2),
  38 .BR getnuid(2),
  39 .BR getngid(2)
  40 .SH HISTORY
  41 This function first appeared in Minix 3.1.8.