mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
54 lines
2.9 KiB
C
54 lines
2.9 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
|
|
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
|
|
╞══════════════════════════════════════════════════════════════════════════════╡
|
|
│ Copyright 2020 Justine Alexandra Roberts Tunney │
|
|
│ │
|
|
│ Permission to use, copy, modify, and/or distribute this software for │
|
|
│ any purpose with or without fee is hereby granted, provided that the │
|
|
│ above copyright notice and this permission notice appear in all copies. │
|
|
│ │
|
|
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
|
|
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
|
|
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
|
|
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
|
|
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
|
|
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
|
|
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
|
|
│ PERFORMANCE OF THIS SOFTWARE. │
|
|
╚─────────────────────────────────────────────────────────────────────────────*/
|
|
#include "libc/calls/calls.h"
|
|
#include "libc/calls/strace.internal.h"
|
|
#include "libc/calls/struct/rlimit.internal.h"
|
|
#include "libc/dce.h"
|
|
#include "libc/intrin/asan.internal.h"
|
|
#include "libc/intrin/describeflags.internal.h"
|
|
#include "libc/sysv/consts/rlimit.h"
|
|
#include "libc/sysv/errfuns.h"
|
|
|
|
/**
|
|
* Gets resource limit for current process.
|
|
*
|
|
* @param resource can be RLIMIT_{CPU,FSIZE,DATA,STACK,CORE,RSS,etc.}
|
|
* @param rlim receives result, modified only on success
|
|
* @return 0 on success or -1 w/ errno
|
|
* @see libc/sysv/consts.sh
|
|
*/
|
|
int getrlimit(int resource, struct rlimit *rlim) {
|
|
int rc;
|
|
if (resource == 127) {
|
|
rc = einval();
|
|
} else if (!rlim || (IsAsan() && !__asan_is_valid(rlim, sizeof(*rlim)))) {
|
|
rc = efault();
|
|
} else if (!IsWindows()) {
|
|
rc = sys_getrlimit(resource, rlim);
|
|
} else if (resource == RLIMIT_AS) {
|
|
rlim->rlim_cur = __virtualmax;
|
|
rlim->rlim_max = __virtualmax;
|
|
rc = 0;
|
|
} else {
|
|
rc = einval();
|
|
}
|
|
STRACE("getrlimit(%s, [%s]) → %d% m", DescribeRlimitName(resource),
|
|
DescribeRlimit(rc, rlim), rc);
|
|
return rc;
|
|
}
|