diff options
| -rw-r--r-- | Misc/NEWS.d/next/Library/2018-02-19-17-46-31.bpo-32859.kAT-Xp.rst | 2 | ||||
| -rw-r--r-- | Modules/posixmodule.c | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/Misc/NEWS.d/next/Library/2018-02-19-17-46-31.bpo-32859.kAT-Xp.rst b/Misc/NEWS.d/next/Library/2018-02-19-17-46-31.bpo-32859.kAT-Xp.rst new file mode 100644 index 0000000..755bdc1 --- /dev/null +++ b/Misc/NEWS.d/next/Library/2018-02-19-17-46-31.bpo-32859.kAT-Xp.rst @@ -0,0 +1,2 @@ +In ``os.dup2``, don't check every call whether the ``dup3`` syscall exists +or not. diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c index d242df0..0bbf7c5 100644 --- a/Modules/posixmodule.c +++ b/Modules/posixmodule.c @@ -8016,7 +8016,7 @@ os_dup2_impl(PyObject *module, int fd, int fd2, int inheritable) #if defined(HAVE_DUP3) && \ !(defined(HAVE_FCNTL_H) && defined(F_DUP2FD_CLOEXEC)) /* dup3() is available on Linux 2.6.27+ and glibc 2.9 */ - int dup3_works = -1; + static int dup3_works = -1; #endif if (fd < 0 || fd2 < 0) { |