.\" Copyright 2012, Cyrill Gorcunov .\" Copyright 2012, 2013, 2015, Michael Kerrisk .\" Copyright 2024, Alejandro Colomar .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" .TH PR_SET_MM_AUXV 2const 2024-07-23 "Linux man-pages 6.10" .SH NAME PR_SET_MM_AUXV \- set a new auxiliary vector .SH LIBRARY Standard C library .RI ( libc ,\~ \-lc ) .SH SYNOPSIS .nf .B #include .P .BR "#include " " /* Definition of " PR_* " constants */" .B int prctl(PR_SET_MM, PR_SET_MM_AUXV, .BI " unsigned long " addr ", unsigned long " size ", 0L);" .fi .SH DESCRIPTION Set a new auxiliary vector. .P .I addr should provide the address of the vector. .I size is the size of the vector. .SH RETURN VALUE On success, 0 is returned. On error, \-1 is returned, and .I errno is set to indicate the error. .SH ERRORS .TP .B EINVAL .I addr is greater than .B TASK_SIZE (the limit on the size of the user address space for this architecture). .SH STANDARDS Linux. .SH HISTORY Linux 3.5. .\" commit fe8c7f5cbf91124987106faa3bdf0c8b955c4cf7 .SH SEE ALSO .BR prctl (2), .BR PR_SET_MM (2const)