X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fmisc%2Fsetrlimit.c;h=7a66ab29756b4a179a8077d7b4f50598b639e9da;hb=3cd3de61894b73ca9f62ab9e5b572fc1037dcd55;hp=bf03fe6f4e9e32c2bd45a32d35de598539ea766e;hpb=544ee752cd38febfa3aa3798b4dfb6fabd13846b;p=musl

diff --git a/src/misc/setrlimit.c b/src/misc/setrlimit.c
index bf03fe6f..7a66ab29 100644
--- a/src/misc/setrlimit.c
+++ b/src/misc/setrlimit.c
@@ -3,9 +3,23 @@
 #include "syscall.h"
 #include "libc.h"
 
-int __setrlimit(int resource, const struct rlimit *rlim)
+#define MIN(a, b) ((a)<(b) ? (a) : (b))
+#define FIX(x) do{ if ((x)>=SYSCALL_RLIM_INFINITY) (x)=RLIM_INFINITY; }while(0)
+
+static int __setrlimit(int resource, const struct rlimit *rlim)
 {
-	long k_rlim[2] = { rlim->rlim_cur, rlim->rlim_max };
+	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, MIN(-1UL, SYSCALL_RLIM_INFINITY));
+	k_rlim[1] = MIN(rlim->rlim_max, MIN(-1UL, SYSCALL_RLIM_INFINITY));
 	return __syscall(SYS_setrlimit, resource, k_rlim);
 }
 
@@ -18,19 +32,19 @@ struct ctx {
 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);