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-rw-r--r--lib/fuse_signals.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/fuse_signals.c b/lib/fuse_signals.c
index 6ac7230..3848aec 100644
--- a/lib/fuse_signals.c
+++ b/lib/fuse_signals.c
@@ -22,7 +22,12 @@
#include <execinfo.h>
#endif
+/*
+ * Must not handle SIGCANCEL, as that is used to wake up threads from
+ * syscalls reading requests from /dev/fuse
+ */
static int teardown_sigs[] = { SIGHUP, SIGINT, SIGTERM };
+
static int ignore_sigs[] = { SIGPIPE};
static int fail_sigs[] = { SIGILL, SIGTRAP, SIGABRT, SIGBUS, SIGFPE, SIGSEGV };
static struct fuse_session *fuse_instance;
@@ -53,8 +58,14 @@ static void dump_stack(void)
static void exit_handler(int sig)
{
- if (fuse_instance == NULL)
+ if (fuse_instance == NULL) {
+ fuse_log(FUSE_LOG_ERR, "fuse_instance is NULL\n");
return;
+ }
+
+ if (fuse_instance->debug)
+ fuse_log(FUSE_LOG_ERR, "exit_handler called with sig %d\n",
+ sig);
fuse_session_exit(fuse_instance);