PR_GET_AUXV2const
Get the auxiliary vector
Usage
#include <linux/prctl.h> /* Definition of PR_* constants */ #include <sys/prctl.h>
int prctl(size_t size; PR_GET_AUXV, void auxv[size], unsigned long size, 0L, 0L);
Library
Standard C library (libc, -lc)
Overview
Get the auxiliary vector (auxv) into the buffer pointed to by auxv, whose size is given by size.
If the buffer is not long enough for the full auxiliary vector, the copy will be truncated.
Return value
On success, this call returns the full size of the auxiliary vector. On error, -1 is returned, and errno is set to indicate the error.
Errors
- EFAULT
-
auxv is an invalid address.
Releases
2 releases since Debian 13 (Trixie); the text changed 1 time.