fix .gitignore: only ignore 'perl' in root of repo, not U/perl subdir

[metaconfig.git] / U / perl / d_prctl.U

?RCS: $Id$
?RCS:
?RCS: Copyright (c) 2010 H.Merijn Brand
?RCS:
?RCS: You may distribute under the terms of either the GNU General Public
?RCS: License or the Artistic License, as specified in the README file.
?RCS:
?MAKE:d_prctl d_prctl_set_name: Inlibc cat Compile run rm_try
?MAKE:	-pick add $@ %<
?S:d_prctl:
?S:	This variable conditionally defines the HAS_PRCTL symbol, which
?S:	indicates to the C program that the prctl() routine is available.
?S:	Note that there are at least two prctl variants: Linux and Irix.
?S:	While they are somewhat similar, they are incompatible.
?S:.
?S:d_prctl_set_name:
?S:	This variable conditionally defines the HAS_PRCTL_SET_NAME symbol,
?S:	which indicates to the C program that the prctl() routine supports
?S:	the PR_SET_NAME option.
?S:.
?C:HAS_PRCTL:
?C:	This symbol, if defined, indicates that the prctl routine is
?C:	available to set process title.
?C:	Note that there are at least two prctl variants: Linux and Irix.
?C:	While they are somewhat similar, they are incompatible.
?C:.
?C:HAS_PRCTL_SET_NAME:
?C:	This symbol, if defined, indicates that the prctl routine is
?C:	available to set process title and supports PR_SET_NAME.
?C:.
?H:#$d_prctl HAS_PRCTL		/**/
?H:#$d_prctl_set_name HAS_PRCTL_SET_NAME		/**/
?H:.
?F:!try
?LINT:set d_prctl
: see if prctl exists
set prctl d_prctl
eval $inlibc

: see if prctl supports PR_SET_NAME
d_prctl_set_name=$undef
case $d_prctl in
    $define)
	$cat >try.c <<EOM
#ifdef __ANDROID__
#include <unistd.h>
#endif
#include <sys/prctl.h>

int main (int argc, char *argv[])
{
    return (prctl (PR_SET_NAME, "Test"));
    } /* main */
EOM
	set try
	if eval $compile_ok && $run ./try; then
	    echo "Your prctl (PR_SET_NAME, ...) works"
	    d_prctl_set_name=$define
	    fi
	$rm_try
	;;
    esac