Add SysV signal handling
Implement the legacy SysV signal handling functions sighold(),
sigignore(), sigpause(), sigrelse(), and sigset() in terms of the newer
POSIX signal APIs. As of POSIX 2013 the SysV signal APIs are deprecated
but still required.
Change-Id: I4ca40e3d706605a7d1a30dc76c78b2b24586387d
Signed-off-by: Greg Hackmann <ghackmann@google.com>
diff --git a/tests/ScopedSignalHandler.h b/tests/ScopedSignalHandler.h
index 3fb60a1..8998d0d 100644
--- a/tests/ScopedSignalHandler.h
+++ b/tests/ScopedSignalHandler.h
@@ -39,6 +39,10 @@
sigaction(signal_number_, &action_, &old_action_);
}
+ ScopedSignalHandler(int signal_number) : signal_number_(signal_number) {
+ sigaction(signal_number, nullptr, &old_action_);
+ }
+
~ScopedSignalHandler() {
sigaction(signal_number_, &old_action_, NULL);
}
@@ -49,4 +53,18 @@
const int signal_number_;
};
+class ScopedSignalMask {
+ public:
+ ScopedSignalMask() {
+ sigprocmask(SIG_SETMASK, nullptr, &old_mask_);
+ }
+
+ ~ScopedSignalMask() {
+ sigprocmask(SIG_SETMASK, &old_mask_, nullptr);
+ }
+
+ private:
+ sigset_t old_mask_;
+};
+
#endif // _BIONIC_TESTS_SCOPED_SIGNAL_HANDLER_H