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
| | #include <sys/resource.h>
#include <errno.h>
#include "syscall.h"
#define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0)
int getrlimit(int resource, struct rlimit *rlim)
{
int ret = syscall(SYS_prlimit64, 0, resource, 0, rlim);
if (!ret) {
FIX(rlim->rlim_cur);
FIX(rlim->rlim_max);
}
#ifdef SYS_getrlimit
unsigned long k_rlim[2];
if (!ret || errno != ENOSYS)
return ret;
if (syscall(SYS_getrlimit, resource, k_rlim) < 0)
return -1;
rlim->rlim_cur = k_rlim[0] == -1UL ? RLIM_INFINITY : k_rlim[0];
rlim->rlim_max = k_rlim[1] == -1UL ? RLIM_INFINITY : k_rlim[1];
FIX(rlim->rlim_cur);
FIX(rlim->rlim_max);
return 0;
#else
return ret;
#endif
}
|