Add ENOMEM errno test for sbrk(2)
Signed-off-by: Zeng Linggang <zenglg...@cn.fujitsu.com>
---
runtest/ltplite | 1 +
runtest/stress.part3 | 1 +
runtest/syscalls | 1 +
testcases/kernel/syscalls/.gitignore | 1 +
testcases/kernel/syscalls/sbrk/sbrk02.c | 102 ++++++++++++++++++++++++++++++++
5 files changed, 106 insertions(+)
create mode 100644 testcases/kernel/syscalls/sbrk/sbrk02.c
diff --git a/runtest/ltplite b/runtest/ltplite
index ebe171e..26b7753 100644
--- a/runtest/ltplite
+++ b/runtest/ltplite
@@ -653,6 +653,7 @@ rmdir04 rmdir04
rmdir05 rmdir05
sbrk01 sbrk01
+sbrk02 sbrk02
sched_get_priority_max01 sched_get_priority_max01
sched_get_priority_max02 sched_get_priority_max02
diff --git a/runtest/stress.part3 b/runtest/stress.part3
index b21e44b..021decf 100644
--- a/runtest/stress.part3
+++ b/runtest/stress.part3
@@ -563,6 +563,7 @@ rmdir04 rmdir04
rmdir05 rmdir05
sbrk01 sbrk01
+sbrk02 sbrk02
sched_get_priority_max01 sched_get_priority_max01
sched_get_priority_max02 sched_get_priority_max02
diff --git a/runtest/syscalls b/runtest/syscalls
index fb3e59f..3adeb8a 100644
--- a/runtest/syscalls
+++ b/runtest/syscalls
@@ -868,6 +868,7 @@ rt_sigqueueinfo01 rt_sigqueueinfo01
rt_sigsuspend01 rt_sigsuspend01
sbrk01 sbrk01
+sbrk02 sbrk02
sched_get_priority_max01 sched_get_priority_max01
sched_get_priority_max02 sched_get_priority_max02
diff --git a/testcases/kernel/syscalls/.gitignore
b/testcases/kernel/syscalls/.gitignore
index d5c7bac..cd51000 100644
--- a/testcases/kernel/syscalls/.gitignore
+++ b/testcases/kernel/syscalls/.gitignore
@@ -706,6 +706,7 @@
/rt_sigsuspend/rt_sigsuspend01
/rt_sigtimedwait/rt_sigtimedwait01
/sbrk/sbrk01
+/sbrk/sbrk02
/sched_get_priority_max/sched_get_priority_max01
/sched_get_priority_max/sched_get_priority_max02
/sched_get_priority_min/sched_get_priority_min01
diff --git a/testcases/kernel/syscalls/sbrk/sbrk02.c
b/testcases/kernel/syscalls/sbrk/sbrk02.c
new file mode 100644
index 0000000..97b41d9
--- /dev/null
+++ b/testcases/kernel/syscalls/sbrk/sbrk02.c
@@ -0,0 +1,102 @@
+/*
+ * Copyright (c) 2014 Fujitsu Ltd.
+ * Author: Zeng Linggang <zenglg...@cn.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of version 2 of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+/*
+ * DESCRIPTION
+ * Check sbrk() with error condition that should produce ENOMEM.
+ */
+
+#include <errno.h>
+#include <unistd.h>
+#include "test.h"
+#include "usctest.h"
+
+char *TCID = "sbrk02";
+int TST_TOTAL = 1;
+
+static void setup(void);
+static void sbrk_verify(void);
+static void cleanup(void);
+static int exp_enos[] = { ENOMEM, 0 };
+
+static long increment;
+
+int main(int argc, char *argv[])
+{
+ int lc;
+ int i;
+ char *msg;
+
+ msg = parse_opts(argc, argv, NULL, NULL);
+ if (msg != NULL)
+ tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
+
+ setup();
+
+ for (lc = 0; TEST_LOOPING(lc); lc++) {
+ tst_count = 0;
+ for (i = 0; i < TST_TOTAL; i++)
+ sbrk_verify();
+ }
+
+ cleanup();
+ tst_exit();
+}
+
+static void setup(void)
+{
+ tst_sig(NOFORK, DEF_HANDLER, cleanup);
+
+ TEST_PAUSE;
+
+ for (increment = 0; errno == 0; increment++)
+ sbrk(increment);
+
+ errno = 0;
+
+ TEST_EXP_ENOS(exp_enos);
+}
+
+static void sbrk_verify(void)
+{
+ void *tret;
+
+ tret = sbrk(increment);
+ TEST_ERRNO = errno;
+
+ if (tret != (void *)-1) {
+ tst_resm(TFAIL,
+ "sbrk(%ld) returned %p, expected (void *)-1, errno=%d",
+ increment, tret, ENOMEM);
+ return;
+ }
+
+ TEST_ERROR_LOG(TEST_ERRNO);
+
+ if (TEST_ERRNO == ENOMEM) {
+ tst_resm(TPASS | TTERRNO, "sbrk(%ld) failed as expected",
+ increment);
+ } else {
+ tst_resm(TFAIL | TTERRNO,
+ "sbrk(%ld) failed unexpectedly; expected: %d - %s",
+ increment, ENOMEM, strerror(ENOMEM));
+ }
+}
+
+static void cleanup(void)
+{
+ TEST_CLEANUP;
+}
--
1.8.4.2
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