Add support for macos

include/cppshell/shell.hpp

@@ -3,8 +3,8 @@
 #include <string>
 #include <fstream>
 
-#if !defined(__linux__)
-#error Only linux supported
+#if !defined(__linux__) && !defined(__APPLE__)
+#error Only linux and Macos supported
 #endif
 
 namespace cppshell {

src/shell.cpp

@@ -2,7 +2,15 @@
 #include <cppshell/utils/signals.hpp>
 
 #include <sys/stat.h>
+#include <unistd.h>
+
+#if defined(__linux__)
 #include <wait.h>
+#elif defined(__APPLE__)
+#include <sys/wait.h>
+#else
+#error Supported only on Linux and Mac
+#endif
 
 #include <cstdio>
 #include <stdexcept>

src/utils/signals.cpp

@@ -3,9 +3,12 @@
 #include <csignal>
 #include <cerrno>
 
+#if !defined(__APPLE__)
 thread_local SigpipeState global_state;
+#endif
 
 bool IgnoreSigpipe() {
+#if !defined(__APPLE__)
   sigset_t pending;
   sigemptyset(&pending);
   sigpending(&pending);
@@ -25,9 +28,12 @@ bool IgnoreSigpipe() {
     return true;
   }
   return false;
+#endif
+  return false;
 }
 
 void UnignoreSigpipe() {
+#if !defined(__APPLE__)
   sigset_t pending;
   sigemptyset(&pending);
   sigpending(&pending);
@@ -47,4 +53,5 @@ void UnignoreSigpipe() {
   if (global_state.sigpipe_unblock) {
     pthread_sigmask(SIG_UNBLOCK, &sigpipe_mask, NULL);
   }
+#endif
 }