iox-#2284 Fix implicit conversion warning on macOS

iceoryx_dds/source/gateway/main.cpp

@@ -33,7 +33,7 @@ class ShutdownManager
     static void scheduleShutdown(int num)
     {
         char reason;
-        psignal(num, &reason);
+        iox_psignal(num, &reason);
         s_semaphore.post().or_else([](auto) {
             std::cerr << "failed to call post on shutdown semaphore" << std::endl;
             std::terminate();

iceoryx_hoofs/platform/linux/include/iceoryx_hoofs/platform/signal.hpp

@@ -19,4 +19,9 @@
 
 #include <signal.h>
 
+inline void iox_psignal(int sig, const char* s)
+{
+    psignal(sig, s);
+}
+
 #endif // IOX_HOOFS_LINUX_PLATFORM_SIGNAL_HPP

iceoryx_hoofs/platform/mac/include/iceoryx_hoofs/platform/signal.hpp

@@ -19,9 +19,27 @@
 
 #include <signal.h>
 
-inline void psignal(int sig, const char* s)
+namespace iox
 {
-    psignal(static_cast<unsigned int>(sig), s);
+namespace platform
+{
+namespace helper
+{
+inline void psignal_helper(void (*psignal_function)(int, const char*), int sig, const char* s)
+{
+    psignal_function(sig, s);
+}
+inline void psignal_helper(void (*psignal_function)(unsigned int, const char*), int sig, const char* s)
+{
+    psignal_function(static_cast<unsigned int>(sig), s);
+}
+} // namespace helper
+} // namespace platform
+} // namespace iox
+
+inline void iox_psignal(int sig, const char* s)
+{
+    iox::platform::helper::psignal_helper(psignal, sig, s);
 }
 
 #endif // IOX_HOOFS_MAC_PLATFORM_SIGNAL_HPP

iceoryx_hoofs/platform/qnx/include/iceoryx_hoofs/platform/signal.hpp

@@ -19,4 +19,9 @@
 
 #include <signal.h>
 
+inline void iox_psignal(int sig, const char* s)
+{
+    psignal(sig, s);
+}
+
 #endif // IOX_HOOFS_QNX_PLATFORM_SIGNAL_HPP

iceoryx_hoofs/platform/unix/include/iceoryx_hoofs/platform/signal.hpp

@@ -19,4 +19,9 @@
 
 #include <signal.h>
 
+inline void iox_psignal(int sig, const char* s)
+{
+    psignal(sig, s);
+}
+
 #endif // IOX_HOOFS_UNIX_PLATFORM_SIGNAL_HPP

iceoryx_hoofs/platform/win/include/iceoryx_hoofs/platform/signal.hpp

@@ -60,4 +60,6 @@ int sigemptyset(sigset_t* set);
 int sigaction(int signum, const struct sigaction* act, struct sigaction* oldact);
 int kill(pid_t pid, int sig);
 
+void iox_psignal(int sig, const char* s);
+
 #endif // IOX_HOOFS_WIN_PLATFORM_SIGNAL_HPP

iceoryx_hoofs/platform/win/source/signal.cpp

@@ -36,3 +36,8 @@ int kill(pid_t pid, int sig)
 {
     return 0;
 }
+
+void iox_psignal(int sig, const char* s)
+{
+    psignal(sig, s);
+}