1 files changed, 114 insertions, 0 deletions
diff --git a/posix/tst-sysconf.c b/posix/tst-sysconf.c
new file mode 100644
index 0000000000..e9ff06a8da
--- /dev/null
+++ b/posix/tst-sysconf.c
@@ -0,0 +1,114 @@
+#include <stdbool.h>
+#include <stdio.h>
+#include <unistd.h>
+
+static struct
+{
+  long int _P_val;
+  const char *name;
+  int _SC_val;
+  bool positive;
+  bool posix2;
+} posix_options[] =
+  {
+#define N_(name, pos) { _POSIX_##name, #name, _SC_##name, pos, false }
+#define NP(name) N_ (name, true)
+#define N(name) N_ (name, false)
+#define N2(name) { _POSIX2_##name, #name, _SC_2_##name, false, true }
+    N (ADVISORY_INFO),
+    N (ASYNCHRONOUS_IO),
+    N (BARRIERS),
+    N (CLOCK_SELECTION),
+    N (CPUTIME),
+    N (FSYNC),
+    N (IPV6),
+    NP (JOB_CONTROL),
+    N (MAPPED_FILES),
+    N (MEMLOCK),
+    N (MEMLOCK_RANGE),
+    N (MEMORY_PROTECTION),
+    N (MESSAGE_PASSING),
+    N (MONOTONIC_CLOCK),
+    N (PRIORITIZED_IO),
+    N (PRIORITY_SCHEDULING),
+    N (RAW_SOCKETS),
+    N (READER_WRITER_LOCKS),
+    N (REALTIME_SIGNALS),
+    NP (REGEXP),
+    NP (SAVED_IDS),
+    N (SEMAPHORES),
+    N (SHARED_MEMORY_OBJECTS),
+    NP (SHELL),
+    N (SPAWN),
+    N (SPIN_LOCKS),
+    N (SPORADIC_SERVER),
+    N (SYNCHRONIZED_IO),
+    N (THREAD_ATTR_STACKADDR),
+    N (THREAD_ATTR_STACKSIZE),
+    N (THREAD_CPUTIME),
+    N (THREAD_PRIO_INHERIT),
+    N (THREAD_PRIO_PROTECT),
+    N (THREAD_PRIORITY_SCHEDULING),
+    N (THREAD_PROCESS_SHARED),
+    N (THREAD_SAFE_FUNCTIONS),
+    N (THREAD_SPORADIC_SERVER),
+    N (THREADS),
+    N (TIMEOUTS),
+    N (TIMERS),
+    N (TRACE),
+    N (TRACE_EVENT_FILTER),
+    N (TRACE_INHERIT),
+    N (TRACE_LOG),
+    N (TYPED_MEMORY_OBJECTS),
+    N2 (C_BIND),
+    N2 (C_DEV),
+    N2 (CHAR_TERM)
+  };
+#define nposix_options (sizeof (posix_options) / sizeof (posix_options[0]))
+
+static int
+do_test (void)
+{
+  int result = 0;
+
+  for (int i = 0; i < nposix_options; ++i)
+    {
+      long int scret = sysconf (posix_options[i]._SC_val);
+
+      if (scret == 0)
+	{
+	  printf ("sysconf(_SC_%s%s) returned zero\n",
+		  posix_options[i].posix2 ? "2_" : "", posix_options[i].name);
+	  result = 1;
+	}
+      if (posix_options[i]._P_val != 0 && posix_options[i]._P_val != scret)
+	{
+	  printf ("sysconf(_SC_%s%s) = %ld does not match _POSIX%s_%s = %ld\n",
+		  posix_options[i].posix2 ? "2_" : "", posix_options[i].name,
+		  scret,
+		  posix_options[i].posix2 ? "2" : "", posix_options[i].name,
+		  posix_options[i]._P_val);
+	  result = 1;
+	}
+      else if (posix_options[i].positive && scret < 0)
+	{
+	  printf ("sysconf(_SC_%s%s) must be > 0\n",
+		  posix_options[i].posix2 ? "2_" : "", posix_options[i].name);
+	  result = 1;
+	}
+
+#define STDVER 200112L
+      if (scret > 0 && scret != STDVER && !posix_options[i].positive)
+	{
+	  printf ("sysconf(_SC_%s%s) must be %ldL\n",
+		  posix_options[i].posix2 ? "2_" : "", posix_options[i].name,
+		  STDVER);
+	  result = 1;
+	}
+    }
+
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"