#include "libc.h"
#define MIN(a, b) ((a)<(b) ? (a) : (b))
+#define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0)
-int __setrlimit(int resource, const struct rlimit *rlim)
+static int __setrlimit(int resource, const struct rlimit *rlim)
{
unsigned long k_rlim[2];
+ struct rlimit tmp;
+ if (SYSCALL_RLIM_INFINITY != RLIM_INFINITY) {
+ tmp = *rlim;
+ FIX(tmp.rlim_cur);
+ FIX(tmp.rlim_max);
+ rlim = &tmp;
+ }
int ret = __syscall(SYS_prlimit64, 0, resource, rlim, 0);
if (ret != -ENOSYS) return ret;
- k_rlim[0] = MIN(rlim->rlim_cur, -1UL);
- k_rlim[1] = MIN(rlim->rlim_max, -1UL);
+ k_rlim[0] = MIN(rlim->rlim_cur, MIN(-1UL, SYSCALL_RLIM_INFINITY));
+ k_rlim[1] = MIN(rlim->rlim_max, MIN(-1UL, SYSCALL_RLIM_INFINITY));
return __syscall(SYS_setrlimit, resource, k_rlim);
}
static void do_setrlimit(void *p)
{
struct ctx *c = p;
- if (c->err) return;
+ if (c->err>0) return;
c->err = -__setrlimit(c->res, c->rlim);
}
int setrlimit(int resource, const struct rlimit *rlim)
{
- struct ctx c = { .res = resource, .rlim = rlim };
+ struct ctx c = { .res = resource, .rlim = rlim, .err = -1 };
__synccall(do_setrlimit, &c);
if (c.err) {
- errno = c.err;
+ if (c.err>0) errno = c.err;
return -1;
}
return 0;
}
-LFS64(setrlimit);
+weak_alias(setrlimit, setrlimit64);