[buildstream] 10/16: _signals.blocked: early-out on win32

[gi...@apache.org]

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github-bot pushed a commit to branch aevri/win32_receive_signals
in repository https://gitbox.apache.org/repos/asf/buildstream.git

commit d80a5f50975fa398749b172b4b729d163bde6f06
Author: Angelos Evripiotis <je...@bloomberg.net>
AuthorDate: Tue Oct 8 15:09:39 2019 +0100

    _signals.blocked: early-out on win32
---
 src/buildstream/_signals.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/buildstream/_signals.py b/src/buildstream/_signals.py
index a29cbdc..92e760e 100644
--- a/src/buildstream/_signals.py
+++ b/src/buildstream/_signals.py
@@ -179,6 +179,11 @@ def suspendable(suspend_callback, resume_callback):
 #
 @contextmanager
 def blocked(signal_list, ignore=True):
+    if sys.platform == 'win32':
+        # Win32 does not support any signals that we are interested in, and we
+        # also can't use `signal.phtread_sigmask`, so early out here.
+        yield
+        return
 
     with ExitStack() as stack: