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/*
* This file and its contents are supplied under the terms of the
* Common Development and Distribution License ("CDDL"), version 1.0.
* You may only use this file in accordance with the terms of version
* 1.0 of the CDDL.
*
* A full copy of the text of the CDDL should have accompanied this
* source. A copy of the CDDL is also available via the Internet at
* http://www.illumos.org/license/CDDL.
*/
/*
* Copyright 2016 Joyent, Inc.
*/
#include <sys/types.h>
#include <sys/lx_misc.h>
#include <lx_syscall.h>
/* From usr/src/uts/common/syscall/umask.c */
extern int umask(int);
/*
* Just do what umask() does, but for the given process.
*/
static int
lx_clone_umask_cb(proc_t *pp, void *arg)
{
mode_t cmask = (mode_t)(intptr_t)arg;
mode_t orig;
orig = PTOU(pp)->u_cmask;
PTOU(pp)->u_cmask = (mode_t)(cmask & PERMMASK);
return ((int)orig);
}
long
lx_umask(mode_t cmask)
{
lx_proc_data_t *lproc = ttolxproc(curthread);
/* Handle the rare case of being in a CLONE_FS clone group */
if (lx_clone_grp_member(lproc, LX_CLONE_FS)) {
int omask;
omask = lx_clone_grp_walk(lproc, LX_CLONE_FS, lx_clone_umask_cb,
(void *)(intptr_t)cmask);
return (omask);
}
return (umask(cmask));
}
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