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-rw-r--r--main-loop.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/main-loop.c b/main-loop.c
index d2e64f1fa4..981bcb5f8e 100644
--- a/main-loop.c
+++ b/main-loop.c
@@ -84,9 +84,11 @@ static int qemu_signal_init(void)
sigaddset(&set, SIGIO);
sigaddset(&set, SIGALRM);
sigaddset(&set, SIGBUS);
- sigaddset(&set, SIGINT);
- sigaddset(&set, SIGHUP);
- sigaddset(&set, SIGTERM);
+ /* SIGINT cannot be handled via signalfd, so that ^C can be used
+ * to interrupt QEMU when it is being run under gdb. SIGHUP and
+ * SIGTERM are also handled asynchronously, even though it is not
+ * strictly necessary, because they use the same handler as SIGINT.
+ */
pthread_sigmask(SIG_BLOCK, &set, NULL);
sigdelset(&set, SIG_IPI);