* resource/Makefile (tests): Add tst-getrlimit.

	* resource/tst-getrlimit.c: New file.

1 files changed, 112 insertions, 0 deletions

diff --git a/resource/tst-getrlimit.c b/resource/tst-getrlimit.c
new file mode 100644
index 0000000000..67480340f0
--- /dev/null
+++ b/resource/tst-getrlimit.c
@@ -0,0 +1,112 @@
+#include <errno.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <sys/resource.h>
+
+
+static struct
+{
+  const char *name;
+  int resource;
+  bool required;
+} tests[] =
+  {
+    /* The following 7 limits are part of POSIX and must exist.  */
+    { "RLIMIT_CORE", RLIMIT_CORE, true },
+    { "RLIMIT_CPU", RLIMIT_CPU, true },
+    { "RLIMIT_DATA", RLIMIT_DATA, true },
+    { "RLIMIT_FSIZE", RLIMIT_FSIZE, true },
+    { "RLIMIT_NOFILE", RLIMIT_NOFILE, true },
+    { "RLIMIT_STACK", RLIMIT_STACK, true },
+    { "RLIMIT_AS", RLIMIT_AS, true },
+    /* The following are traditional Unix limits which are also
+       expected (by us).  */
+    { "RLIMIT_RSS", RLIMIT_RSS, true },
+    { "RLIMIT_NPROC", RLIMIT_NPROC, true },
+    /* The following are extensions.  */
+#ifdef RLIMIT_MEMLOCK
+    { "RLIMIT_MEMLOCK", RLIMIT_MEMLOCK, false },
+#endif
+#ifdef RLIMIT_LOCKS
+    { "RLIMIT_LOCKS", RLIMIT_LOCKS, false },
+#endif
+#ifdef RLIMIT_SIGPENDING
+    { "RLIMIT_SIGPENDING", RLIMIT_SIGPENDING, false },
+#endif
+#ifdef RLIMIT_MSGQUEUE
+    { "RLIMIT_MSGQUEUE", RLIMIT_MSGQUEUE, false },
+#endif
+#ifdef RLIMIT_NICE
+    { "RLIMIT_NICE", RLIMIT_NICE, false },
+#endif
+#ifdef RLIMIT_RTPRIO
+    { "RLIMIT_RTPRIO", RLIMIT_RTPRIO, false },
+#endif
+  };
+#define ntests (sizeof (tests) / sizeof (tests[0]))
+
+
+static int
+do_test (void)
+{
+  int status = 0;
+
+  for (int i = 0; i < ntests; ++i)
+    {
+      bool this_ok = true;
+
+      struct rlimit r;
+      int res = getrlimit (tests[i].resource, &r);
+      if (res == -1)
+	{
+	  if (errno == EINVAL)
+	    {
+	      if (tests[i].required)
+		{
+		  printf ("limit %s expectedly not available for getrlimit\n",
+			  tests[i].name);
+		  status = 1;
+		  this_ok = false;
+		}
+	    }
+	  else
+	    {
+	      printf ("getrlimit for %s returned unexpected error: %m\n",
+		      tests[i].name);
+	      status = 1;
+	      this_ok = false;
+	    }
+	}
+
+      struct rlimit64 r64;
+      res = getrlimit64 (tests[i].resource, &r64);
+      if (res == -1)
+	{
+	  if (errno == EINVAL)
+	    {
+	      if (tests[i].required)
+		{
+		  printf ("limit %s expectedly not available for getrlimit64"
+			  "\n", tests[i].name);
+		  status = 1;
+		  this_ok = false;
+		}
+	    }
+	  else
+	    {
+	      printf ("getrlimit64 for %s returned unexpected error: %m\n",
+		      tests[i].name);
+	      status = 1;
+	      this_ok = false;
+	    }
+	}
+
+      if (this_ok)
+	printf ("limit %s OK\n", tests[i].name);
+    }
+
+  return status;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"