Hello Alex
On 2/7/21 1:46 PM, Alejandro Colomar wrote:
> The documented prototype for mlock2() was a mix of the
> glibc wrapper prototype and the kernel syscall prototype.
> Let's document the glibc wrapper prototype, which is shown below.
Thanks. Patch applied.
Cheers,
Michael
> ......
>
> .../glibc$ grep_glibc_prototype mlock2
> sysdeps/unix/sysv/linux/bits/mman-shared.h:55:
> int mlock2 (const void *__addr, size_t __length, unsigned int __flags) __THROW;
> .../glibc$
>
> function grep_glibc_prototype()
> {
> if ! [ -v 1 ]; then
> >&2 echo "Usage: ${FUNCNAME[0]} <func>";
> return ${EX_USAGE};
> fi
>
> find * -type f \
> |grep '\.h$' \
> |sort -V \
> |xargs pcregrep -Mn \
> "(?s)^[^\s#][\w\s]+\s+\**${1}\s*\([\w\s()[\]*,]*?(...)?\)[\w\s()]*;" \
> |sed -E 's/^[^:]+:[0-9]+:/&\n/';
> }
>
> Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx>
> ---
> man2/mlock.2 | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/man2/mlock.2 b/man2/mlock.2
> index 2822df7cf..f48d632c4 100644
> --- a/man2/mlock.2
> +++ b/man2/mlock.2
> @@ -31,7 +31,7 @@ mlock, mlock2, munlock, mlockall, munlockall \- lock and unlock memory
> .B #include <sys/mman.h>
> .PP
> .BI "int mlock(const void *" addr ", size_t " len );
> -.BI "int mlock2(const void *" addr ", size_t " len ", int " flags );
> +.BI "int mlock2(const void *" addr ", size_t " len ", unsigned int " flags );
> .BI "int munlock(const void *" addr ", size_t " len );
> .PP
> .BI "int mlockall(int " flags );
>
--
Michael Kerrisk
Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/
Linux/UNIX System Programming Training: http://man7.org/training/
