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-rw-r--r--nptl/tst-basic7.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/nptl/tst-basic7.c b/nptl/tst-basic7.c
new file mode 100644
index 0000000000..da461e43df
--- /dev/null
+++ b/nptl/tst-basic7.c
@@ -0,0 +1,56 @@
+#include <errno.h>
+#include <pthread.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <sys/resource.h>
+
+static void
+use_up_memory (void)
+{
+ struct rlimit rl;
+ getrlimit (RLIMIT_AS, &rl);
+ rl.rlim_cur = 10 * 1024 * 1024;
+ setrlimit (RLIMIT_AS, &rl);
+
+ char *c;
+ int PAGESIZE = getpagesize ();
+ while (1)
+ {
+ c = mmap (NULL, PAGESIZE, PROT_NONE, MAP_ANON | MAP_PRIVATE, -1, 0);
+ if (c == MAP_FAILED)
+ break;
+ }
+}
+
+static void *
+child (void *arg)
+{
+ sleep (1);
+ return arg;
+}
+
+static int
+do_test (void)
+{
+ int err;
+ pthread_t tid;
+
+ use_up_memory ();
+
+ err = pthread_create (&tid, NULL, child, NULL);
+ if (err != 0)
+ {
+ printf ("pthread_create returns %d: %s\n", err,
+ err == EAGAIN ? "OK" : "FAIL");
+ return err != EAGAIN;
+ }
+
+ /* We did not fail to allocate memory despite the preparation. Oh well. */
+ return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"