--- /dev/null
+// rlimit should be able to set file limits
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/resource.h>
+#include "test.h"
+
+int main(void)
+{
+ static const long lim = 42;
+ static const int r = RLIMIT_NOFILE;
+ struct rlimit rl;
+ int fd, maxfd = 0;
+
+ rl.rlim_max = lim;
+ rl.rlim_cur = lim;
+ if (setrlimit(r, &rl))
+ t_error("setrlimit(%d, %ld) failed: %s\n", r, lim, strerror(errno));
+ if (getrlimit(r, &rl))
+ t_error("getrlimit(%d) failed: %s\n", r, strerror(errno));
+ if (lim != rl.rlim_max || lim != rl.rlim_cur)
+ t_error("getrlimit %d says cur=%ld,max=%ld after setting the limit to %ld\n", r, rl.rlim_cur, rl.rlim_max, lim);
+
+ while((fd=dup(1)) != -1)
+ if (fd > maxfd) maxfd = fd;
+ if (errno != EMFILE)
+ t_error("dup(1) failed with %s, wanted EMFILE\n", strerror(errno));
+ if (maxfd+1 != lim)
+ t_error("more fds are open than rlimit allows: fd=%d, limit=%d\n", maxfd, lim);
+
+ return t_status;
+}