musl - musl - an implementation of the standard library for Linux-based systems

diff --git a/src/linux/prlimit.c b/src/linux/prlimit.c
index d1639cca..0fe28e10 100644
--- a/src/linux/prlimit.c
+++ b/src/linux/prlimit.c

@@ -3,9 +3,24 @@

#include "syscall.h"

#include "libc.h"

+#define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0)

+

int prlimit(pid_t pid, int resource, const struct rlimit *new_limit, struct rlimit *old_limit)

{

- return syscall(SYS_prlimit64, pid, resource, new_limit, old_limit);

+ struct rlimit tmp;

+ int r;

+ if (new_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) {

+ tmp = *new_limit;

+ FIX(tmp.rlim_cur);

+ FIX(tmp.rlim_max);

+ new_limit = &tmp;

+ }

+ r = syscall(SYS_prlimit64, pid, resource, new_limit, old_limit);

+ if (!r && old_limit && SYSCALL_RLIM_INFINITY != RLIM_INFINITY) {

+ FIX(old_limit->rlim_cur);

+ FIX(old_limit->rlim_max);

+ }

+ return r;

}

#undef prlimit64