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/* vi: set sw=4 ts=4: */
/*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#include <sys/syscall.h>
#ifdef __NR_ulimit
extern long int ulimit(int cmd, long arg);
_syscall2(long, ulimit, int, cmd, long, arg)
#else
#include <stdarg.h>
#include <unistd.h>
#include <ulimit.h>
#include <sys/resource.h>
long int ulimit(int cmd, ...)
{
va_list va;
struct rlimit limit;
long int result = -1;
va_start (va, cmd);
switch (cmd) {
/* Get limit on file size. */
case UL_GETFSIZE:
if (getrlimit(RLIMIT_FSIZE, &limit) == 0)
result = limit.rlim_cur / 512; /* bytes to 512 byte blocksize */
break;
/* Set limit on file size. */
case UL_SETFSIZE:
result = va_arg (va, long int);
if ((rlim_t) result > RLIM_INFINITY / 512) {
limit.rlim_cur = RLIM_INFINITY;
limit.rlim_max = RLIM_INFINITY;
} else {
limit.rlim_cur = result * 512;
limit.rlim_max = result * 512;
}
result = setrlimit(RLIMIT_FSIZE, &limit);
break;
case __UL_GETOPENMAX:
result = sysconf(_SC_OPEN_MAX);
break;
default:
__set_errno(EINVAL);
}
va_end (va);
return result;
}
#endif
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