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/* vi: set sw=4 ts=4: */
/*
* getrlimit() for uClibc
*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#define getrlimit64 __hide_getrlimit64
#include <sys/syscall.h>
#include <unistd.h>
#include <sys/resource.h>
#undef getrlimit64
/* libc_hidden_proto(getrlimit) */
/* Only wrap getrlimit if the new ugetrlimit is not present and getrlimit sucks */
#if defined __NR_ugetrlimit
/* just call ugetrlimit() */
# define __NR___syscall_ugetrlimit __NR_ugetrlimit
static __always_inline
_syscall2(int, __syscall_ugetrlimit, enum __rlimit_resource, resource,
struct rlimit *, rlim)
int getrlimit(__rlimit_resource_t resource, struct rlimit *rlimits)
{
return (__syscall_ugetrlimit(resource, rlimits));
}
#elif !defined(__UCLIBC_HANDLE_OLDER_RLIMIT__)
/* We don't need to wrap getrlimit() */
_syscall2(int, getrlimit, __rlimit_resource_t, resource,
struct rlimit *, rlim)
#else
/* we have to handle old style getrlimit() */
# define __NR___syscall_getrlimit __NR_getrlimit
static __always_inline
_syscall2(int, __syscall_getrlimit, int, resource, struct rlimit *, rlim)
int getrlimit(__rlimit_resource_t resource, struct rlimit *rlimits)
{
int result;
result = __syscall_getrlimit(resource, rlimits);
if (result == -1)
return result;
/* We might have to correct the limits values. Since the old values
* were signed the infinity value is too small. */
if (rlimits->rlim_cur == RLIM_INFINITY >> 1)
rlimits->rlim_cur = RLIM_INFINITY;
if (rlimits->rlim_max == RLIM_INFINITY >> 1)
rlimits->rlim_max = RLIM_INFINITY;
return result;
}
#endif
libc_hidden_def(getrlimit)
#if defined __UCLIBC_HAS_LFS__ && __WORDSIZE == 64
strong_alias(getrlimit, getrlimit64)
#endif
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