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-rw-r--r--Doc/library/ctypes.rst5
1 files changed, 3 insertions, 2 deletions
diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst
index a675790..072d61e 100644
--- a/Doc/library/ctypes.rst
+++ b/Doc/library/ctypes.rst
@@ -1354,8 +1354,9 @@ function is used to load the library into the process, and to get a handle to
it.
The *mode* parameter can be used to specify how the library is loaded. For
-details, consult the :manpage:`dlopen(3)` manpage, on Windows, *mode* is
-ignored.
+details, consult the :manpage:`dlopen(3)` manpage. On Windows, *mode* is
+ignored. On posix systems, RTLD_NOW is always added, and is not
+configurable.
The *use_errno* parameter, when set to True, enables a ctypes mechanism that
allows accessing the system :data:`errno` error number in a safe way.