use prlimit syscall for getrlimit/setrlimit

[musl] / src / misc / setrlimit.c

diff --git a/src/misc/setrlimit.c b/src/misc/setrlimit.c
index bf03fe6..ddc13e9 100644 (file)
--- a/src/misc/setrlimit.c
+++ b/src/misc/setrlimit.c
@@ -3,9 +3,15 @@
 #include "syscall.h"
 #include "libc.h"
 
+#define MIN(a, b) ((a)<(b) ? (a) : (b))
+
 int __setrlimit(int resource, const struct rlimit *rlim)
 {
-       long k_rlim[2] = { rlim->rlim_cur, rlim->rlim_max };
+       unsigned long k_rlim[2];
+       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);
        return __syscall(SYS_setrlimit, resource, k_rlim);
 }