bpo-42375: subprocess DragonFlyBSD build update. (GH-23320)
Same as FreeBSD, file descriptors in /dev/fd id from 0 to 63.
diff --git a/Modules/_posixsubprocess.c b/Modules/_posixsubprocess.c
index a00e137..1abe235 100644
--- a/Modules/_posixsubprocess.c
+++ b/Modules/_posixsubprocess.c
@@ -55,7 +55,7 @@
# endif
#endif
-#if defined(__FreeBSD__) || (defined(__APPLE__) && defined(__MACH__))
+#if defined(__FreeBSD__) || (defined(__APPLE__) && defined(__MACH__)) || defined(__DragonFly__)
# define FD_DIR "/dev/fd"
#else
# define FD_DIR "/proc/self/fd"
@@ -127,9 +127,9 @@ _pos_int_from_ascii(const char *name)
}
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__DragonFly__)
/* When /dev/fd isn't mounted it is often a static directory populated
- * with 0 1 2 or entries for 0 .. 63 on FreeBSD, NetBSD and OpenBSD.
+ * with 0 1 2 or entries for 0 .. 63 on FreeBSD, NetBSD, OpenBSD and DragonFlyBSD.
* NetBSD and OpenBSD have a /proc fs available (though not necessarily
* mounted) and do not have fdescfs for /dev/fd. MacOS X has a devfs
* that properly supports /dev/fd.
@@ -377,7 +377,7 @@ _close_open_fds_maybe_unsafe(long start_fd, PyObject* py_fds_to_keep)
++start_fd;
#endif
-#if defined(__FreeBSD__)
+#if defined(__FreeBSD__) || defined(__DragonFly__)
if (!_is_fdescfs_mounted_on_dev_fd())
proc_fd_dir = NULL;
else