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authorSteve Dower <steve.dower@microsoft.com>2017-02-04 15:05:50 -0800
committerSteve Dower <steve.dower@microsoft.com>2017-02-04 15:05:50 -0800
commit3b0e4320092ac0504b6670cafaf0301b908c91fc (patch)
treed3be1b6b844d61763bb366fa21ceed475e5703fd /Modules/_multiprocessing/multiprocessing.c
parentb2fa705fd3887c326e811c418469c784353027f4 (diff)
parentf687fbcd73c14dfcbe086eb5cd94b298f1e81e72 (diff)
downloadcpython-3b0e4320092ac0504b6670cafaf0301b908c91fc.tar.gz
Issue #29392: Prevent crash when passing invalid arguments into msvcrt module.
Diffstat (limited to 'Modules/_multiprocessing/multiprocessing.c')
-rw-r--r--Modules/_multiprocessing/multiprocessing.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/Modules/_multiprocessing/multiprocessing.c b/Modules/_multiprocessing/multiprocessing.c
index d92a8bf21c..bb65b3b088 100644
--- a/Modules/_multiprocessing/multiprocessing.c
+++ b/Modules/_multiprocessing/multiprocessing.c
@@ -171,8 +171,11 @@ PyInit__multiprocessing(void)
{
PyObject *py_sem_value_max;
/* Some systems define SEM_VALUE_MAX as an unsigned value that
- * causes it to be negative when used as an int (NetBSD). */
- if ((int)(SEM_VALUE_MAX) < 0)
+ * causes it to be negative when used as an int (NetBSD).
+ *
+ * Issue #28152: Use (0) instead of 0 to fix a warning on dead code
+ * when using clang -Wunreachable-code. */
+ if ((int)(SEM_VALUE_MAX) < (0))
py_sem_value_max = PyLong_FromLong(INT_MAX);
else
py_sem_value_max = PyLong_FromLong(SEM_VALUE_MAX);