only use getrlimit/setrlimit syscalls if they exist

[musl] / src / misc / getrlimit.c

diff --git a/src/misc/getrlimit.c b/src/misc/getrlimit.c
index 2ab2f0f..bf67630 100644 (file)
--- a/src/misc/getrlimit.c
+++ b/src/misc/getrlimit.c
@@ -6,12 +6,13 @@
 
 int getrlimit(int resource, struct rlimit *rlim)
 {
-       unsigned long k_rlim[2];
        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)
@@ -21,6 +22,9 @@ int getrlimit(int resource, struct rlimit *rlim)
        FIX(rlim->rlim_cur);
        FIX(rlim->rlim_max);
        return 0;
+#else
+       return ret;
+#endif
 }
 
 weak_alias(getrlimit, getrlimit64);