blob: 77a26c08323a692ad1f0682275d105d5f84d1071 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
/*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <errno.h>
#include <unistd.h>
#include <sys/syscall.h>
#define __NR___syscall_brk __NR_brk
static __always_inline _syscall1(void *, __syscall_brk, void *, end)
/* This must be initialized data because commons can't have aliases. */
void * __curbrk attribute_hidden = 0;
int brk(void *addr)
{
void *newbrk = __syscall_brk(addr);
__curbrk = newbrk;
if (newbrk < addr) {
__set_errno (ENOMEM);
return -1;
}
return 0;
}
libc_hidden_def(brk)
|