Hi Mark, On 5/30/19 1:05 AM, Mark Wielaard wrote:
To get the pkey_alloc, pkey_free and pkey_mprotect functions _GNU_SOURCE needs to be defined before including sys/mman.h.
Thanks for the patch, Mark. Florian, thanks for the review. Patch applied. Cheers, Michael
Signed-off-by: Mark Wielaard <mark@xxxxxxxxx> --- man2/mprotect.2 | 4 ++++ man2/pkey_alloc.2 | 1 + 2 files changed, 5 insertions(+) diff --git a/man2/mprotect.2 b/man2/mprotect.2 index 9bb02eb..4d29f66 100644 --- a/man2/mprotect.2 +++ b/man2/mprotect.2 @@ -38,6 +38,10 @@ mprotect, pkey_mprotect \- set protection on a region of memory .B #include <sys/mman.h> .PP .BI "int mprotect(void *" addr ", size_t " len ", int " prot ); + +.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" +.B #include <sys/mman.h> +.PP .BI "int pkey_mprotect(void *" addr ", size_t " len ", int " prot ", int " pkey "); .fi .SH DESCRIPTION diff --git a/man2/pkey_alloc.2 b/man2/pkey_alloc.2 index ce9bd96..d82f316 100644 --- a/man2/pkey_alloc.2 +++ b/man2/pkey_alloc.2 @@ -27,6 +27,7 @@ pkey_alloc, pkey_free \- allocate or free a protection key .SH SYNOPSIS .nf +.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" .B #include <sys/mman.h> .PP .BI "int pkey_alloc(unsigned int " flags ", unsigned int " access_rights ");"
