1 #include <sys/resource.h>
2 #include <errno.h>
3 #include "syscall.h"
4
5 #define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0)
6
getrlimit(int resource,struct rlimit * rlim)7 int getrlimit(int resource, struct rlimit *rlim)
8 {
9 #ifdef __LITEOS_A__
10 unsigned long long k_rlim[2];
11 if (syscall(SYS_getrlimit, resource, k_rlim) < 0)
12 return -1;
13
14 rlim->rlim_cur = k_rlim[0];
15 rlim->rlim_max = k_rlim[1];
16 return 0;
17 #else
18 int ret = syscall(SYS_prlimit64, 0, resource, 0, rlim);
19 if (!ret) {
20 FIX(rlim->rlim_cur);
21 FIX(rlim->rlim_max);
22 }
23 #ifdef SYS_getrlimit
24 unsigned long k_rlim[2];
25 if (!ret || errno != ENOSYS)
26 return ret;
27 if (syscall(SYS_getrlimit, resource, k_rlim) < 0)
28 return -1;
29 rlim->rlim_cur = k_rlim[0] == -1UL ? RLIM_INFINITY : k_rlim[0];
30 rlim->rlim_max = k_rlim[1] == -1UL ? RLIM_INFINITY : k_rlim[1];
31 FIX(rlim->rlim_cur);
32 FIX(rlim->rlim_max);
33 return 0;
34 #else
35 return ret;
36 #endif
37 #endif
38 }
39
40 weak_alias(getrlimit, getrlimit64);
41