summaryrefslogtreecommitdiffstats
path: root/Doc/c-api
diff options
context:
space:
mode:
Diffstat (limited to 'Doc/c-api')
-rw-r--r--Doc/c-api/exceptions.rst10
1 files changed, 10 insertions, 0 deletions
diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index 2148463..9413762 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -355,6 +355,16 @@ in various ways. There is a separate error indicator for each thread.
.. % thread.interrupt_main() (used from IDLE), so it's still needed.
+.. cfunction:: int PySignal_SetWakeupFd(int fd)
+
+ This utility function specifies a file descriptor to which a ``'\0'`` byte will
+ be written whenever a signal is received. It returns the previous such file
+ descriptor. The value ``-1`` disables the feature; this is the initial state.
+ This is equivalent to :func:`signal.set_wakeup_fd` in Python, but without any
+ error checking. *fd* should be a valid file descriptor. The function should
+ only be called from the main thread.
+
+
.. cfunction:: PyObject* PyErr_NewException(char *name, PyObject *base, PyObject *dict)
This utility function creates and returns a new exception object. The *name*