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1 #include <sys/resource.h> | 1 #include <sys/resource.h> |
2 #include <errno.h> | 2 #include <errno.h> |
3 #include "syscall.h" | 3 #include "syscall.h" |
4 #include "libc.h" | 4 #include "libc.h" |
5 | 5 |
6 #define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0) | 6 #define FIX(x) \ |
| 7 do { \ |
| 8 if ((x) >= SYSCALL_RLIM_INFINITY) \ |
| 9 (x) = RLIM_INFINITY; \ |
| 10 } while (0) |
7 | 11 |
8 int getrlimit(int resource, struct rlimit *rlim) | 12 int getrlimit(int resource, struct rlimit* rlim) { |
9 { | 13 unsigned long k_rlim[2]; |
10 » unsigned long k_rlim[2]; | 14 int ret = syscall(SYS_prlimit64, 0, resource, 0, rlim); |
11 » int ret = syscall(SYS_prlimit64, 0, resource, 0, rlim); | 15 if (!ret) { |
12 » if (!ret) { | 16 FIX(rlim->rlim_cur); |
13 » » FIX(rlim->rlim_cur); | 17 FIX(rlim->rlim_max); |
14 » » FIX(rlim->rlim_max); | 18 } |
15 » } | 19 if (!ret || errno != ENOSYS) |
16 » if (!ret || errno != ENOSYS) | 20 return ret; |
17 » » return ret; | 21 if (syscall(SYS_getrlimit, resource, k_rlim) < 0) |
18 » if (syscall(SYS_getrlimit, resource, k_rlim) < 0) | 22 return -1; |
19 » » return -1; | 23 rlim->rlim_cur = k_rlim[0] == -1UL ? RLIM_INFINITY : k_rlim[0]; |
20 » rlim->rlim_cur = k_rlim[0] == -1UL ? RLIM_INFINITY : k_rlim[0]; | 24 rlim->rlim_max = k_rlim[1] == -1UL ? RLIM_INFINITY : k_rlim[1]; |
21 » rlim->rlim_max = k_rlim[1] == -1UL ? RLIM_INFINITY : k_rlim[1]; | 25 FIX(rlim->rlim_cur); |
22 » FIX(rlim->rlim_cur); | 26 FIX(rlim->rlim_max); |
23 » FIX(rlim->rlim_max); | 27 return 0; |
24 » return 0; | |
25 } | 28 } |
26 | 29 |
27 LFS64(getrlimit); | 30 LFS64(getrlimit); |
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