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-rw-r--r--test-skeleton.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/test-skeleton.c b/test-skeleton.c
index 2b5102ba91..78a88dccb7 100644
--- a/test-skeleton.c
+++ b/test-skeleton.c
@@ -27,6 +27,7 @@
#include <unistd.h>
#include <sys/resource.h>
#include <sys/wait.h>
+#include <sys/param.h>
/* The test function is normally called `do_test' and it is called
with argc and argv as the arguments. We nevertheless provide the
@@ -35,6 +36,9 @@
# define TEST_FUNCTION do_test (argc, argv)
#endif
+#ifndef TEST_DATA_LIMIT
+# define TEST_DATA_LIMIT (64 << 20) /* Data limit (bytes) to run with. */
+#endif
#define OPT_DIRECT 1000
#define OPT_TESTDIR 1001
@@ -250,6 +254,23 @@ main (int argc, char *argv[])
setrlimit (RLIMIT_CORE, &core_limit);
#endif
+#ifdef RLIMIT_DATA
+ /* Try to avoid eating all memory if a test leaks. */
+ struct rlimit data_limit;
+ if (getrlimit (RLIMIT_DATA, &data_limit) == 0)
+ {
+ if (TEST_DATA_LIMIT == RLIM_INFINITY)
+ data_limit.rlim_cur = data_limit.rlim_max;
+ else if (data_limit.rlim_cur > (rlim_t) TEST_DATA_LIMIT)
+ data_limit.rlim_cur = MIN ((rlim_t) TEST_DATA_LIMIT,
+ data_limit.rlim_max);
+ if (setrlimit (RLIMIT_DATA, &data_limit) < 0)
+ perror ("setrlimit: RLIMIT_DATA");
+ }
+ else
+ perror ("getrlimit: RLIMIT_DATA");
+#endif
+
/* We put the test process in its own pgrp so that if it bogusly
generates any job control signals, they won't hit the whole build. */
setpgid (0, 0);