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envelope-from=vijaymarupudi@gatech.edu; helo=NAM04-MW2-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guile-user@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Guile related discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Original-Sender: guile-user-bounces+guile-user=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.lisp.guile.user:19520 Archived-At: Hi Maxime, Thank you for your thoughts! The documentation of libc suggests that the signal handler is run before any system call return EINTR, so I think Guile should have added the handler to the 'pending list' before the call to sleep returns. https://www.gnu.org/software/libc/manual/html_node/Interrupted-Primitives.html Right, I don't think there is a promise of when scm_async_tick is run, which is why I tried to run it manually just in case. It doesn't seem to change anything. As for 3, I tried putting async_ticks everywhere, doesn't seem to change anything. However, this morning, I'm having difficulty reproducing the issue... I guess this is how it is with race conditions. Will update if I find anything new... ~ Vijay