diff options
| -rw-r--r-- | Misc/NEWS | 3 | ||||
| -rw-r--r-- | Modules/signalmodule.c | 16 |
2 files changed, 19 insertions, 0 deletions
@@ -10,6 +10,9 @@ What's New in Python 3.4.0 Alpha 1? Core and Builtins ----------------- +- Issue #9535: Fix pending signals that have been received but not yet + handled by Python to not persist after os.fork() in the child process. + - Issue #14794: Fix slice.indices to return correct results for huge values, rather than raising OverflowError. diff --git a/Modules/signalmodule.c b/Modules/signalmodule.c index f7ce48c..d633301 100644 --- a/Modules/signalmodule.c +++ b/Modules/signalmodule.c @@ -1389,9 +1389,25 @@ PyOS_InterruptOccurred(void) return 0; } +static void +_clear_pending_signals(void) +{ + int i; + if (!is_tripped) + return; + is_tripped = 0; + for (i = 1; i < NSIG; ++i) { + Handlers[i].tripped = 0; + } +} + void PyOS_AfterFork(void) { + /* Clear the signal flags after forking so that they aren't handled + * in both processes if they came in just before the fork() but before + * the interpreter had an opportunity to call the handlers. issue9535. */ + _clear_pending_signals(); #ifdef WITH_THREAD /* PyThread_ReInitTLS() must be called early, to make sure that the TLS API * can be called safely. */ |