diff options
| author |  murgatroid99 <mlumish@google.com> | 2016-05-06 12:44:46 -0700 |
|---|---|---|
| committer | murgatroid99 <mlumish@google.com> | 2016-05-06 12:44:46 -0700 |
| commit | 873e419cf73fa747a897cd8e06c8ffad6661efb0 (patch) | |
| tree | 3ad6b070540a855f05bc60872be04b9da45fb2d6 /src/ruby/ext | |
| parent | 6bbe369434f466e4694243305485e503eaf3ea02 (diff) | |
Added explanation about handling signals in C
Diffstat (limited to 'src/ruby/ext')
| -rw-r--r-- | src/ruby/ext/grpc/rb_signal.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/ruby/ext/grpc/rb_signal.c b/src/ruby/ext/grpc/rb_signal.c index dd60b0f251..a9e512374b 100644 --- a/src/ruby/ext/grpc/rb_signal.c +++ b/src/ruby/ext/grpc/rb_signal.c @@ -44,6 +44,10 @@ static void (*old_sigterm_handler)(int); static volatile bool signal_received = false; +/* This has to be handled at the C level instead of Ruby, because Ruby signal + * handlers are constrained to run in the main interpreter thread. If that main + * thread is blocked on grpc_completion_queue_pluck, the signal handlers will + * never run */ static void handle_signal(int signum) { signal_received = true; if (signum == SIGINT) { |