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--- src/xshmfence_alloc.c.orig 2015-03-04 15:28:23 UTC
+++ src/xshmfence_alloc.c
@@ -67,15 +67,19 @@ int
xshmfence_alloc_shm(void)
{
char template[] = SHMDIR "/shmfd-XXXXXX";
- int fd;
+ int fd = -1;
#if HAVE_MEMFD_CREATE
fd = memfd_create("xshmfence", MFD_CLOEXEC|MFD_ALLOW_SEALING);
if (fd < 0)
#endif
{
-#ifdef O_TMPFILE
+#if defined(O_CLOEXEC)
+#if defined(HAVE_MKOSTEMP)
+ fd = mkostemp(template, O_CLOEXEC);
+#elif defined(O_TMPFILE)
fd = open(SHMDIR, O_TMPFILE|O_RDWR|O_CLOEXEC|O_EXCL, 0666);
+#endif
if (fd < 0)
#endif
{
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