Added some more header files, and fixed much of the build system.

2018-07-13 10:10:04 +00:00
parent 8c78d4f83e
commit a92993e05b
7 changed files with 711 additions and 82 deletions
--- a/launchers/macosx/obj-cpp/PidWatcher.h
+++ b/launchers/macosx/obj-cpp/PidWatcher.h
@ -0,0 +1,63 @@
+#pragma once
+
+#include <CoreFoundation/CoreFoundation.h>
+#include <unistd.h>
+#include <sys/event.h>
+#include <functional>
+
+#include "neither/either.hpp"
+#include "AppDelegate.h"
+
+using callbackType = void (CFFileDescriptorRef, CFOptionFlags, void *);
+using HandleFunction = std::function<void(int)>;
+/*
+class CallbackWrapper
+{
+    CallbackWrapper(HandleFunction func) : mCallback(func);
+    void operator(CFFileDescriptorRef fdref, CFOptionFlags callBackTypes, void *info) {
+        struct kevent kev;
+        int fd = CFFileDescriptorGetNativeDescriptor(fdref);
+        kevent(fd, NULL, 0, &kev, 1, NULL);
+        // take action on death of process here
+        NSLog(@"process with pid '%u' died\n", (unsigned int)kev.ident);
+
+        mCallback(0);
+        CFFileDescriptorInvalidate(fdref);
+        CFRelease(fdref);
+    }
+
+private:
+    HandleFunction mCallback;
+};
+*/
+
+static void noteProcDeath(CFFileDescriptorRef fdref, CFOptionFlags callBackTypes, void *info) {
+    struct kevent kev;
+    int fd = CFFileDescriptorGetNativeDescriptor(fdref);
+    kevent(fd, NULL, 0, &kev, 1, NULL);
+    // take action on death of process here
+    NSLog(@"process with pid '%u' died\n", (unsigned int)kev.ident);
+    sendUserNotification(APP_IDSTR, @"The I2P router has stopped.");
+    CFFileDescriptorInvalidate(fdref);
+    CFRelease(fdref); // the CFFileDescriptorRef is no longer of any use in this example
+}
+// one argument, an integer pid to watch, required
+int watchPid(int pid, callbackType callback = noteProcDeath) {
+    int fd = kqueue();
+    struct kevent kev;
+    EV_SET(&kev, pid, EVFILT_PROC, EV_ADD|EV_ENABLE, NOTE_EXIT, 0, NULL);
+    kevent(fd, &kev, 1, NULL, 0, NULL);
+    CFFileDescriptorRef fdref = CFFileDescriptorCreate(kCFAllocatorDefault, fd, true, callback, NULL);
+    CFFileDescriptorEnableCallBacks(fdref, kCFFileDescriptorReadCallBack);
+    CFRunLoopSourceRef source = CFFileDescriptorCreateRunLoopSource(kCFAllocatorDefault, fdref, 0);
+    CFRunLoopAddSource(CFRunLoopGetMain(), source, kCFRunLoopDefaultMode);
+    CFRelease(source);
+    /*
+    seconds
+    The length of time to run the run loop. If 0, only one pass is made through the run loop before returning;
+    if multiple sources or timers are ready to fire immediately, only one (possibly two if one is a version
+    0 source) will be fired, regardless of the value of returnAfterSourceHandled.
+    */
+    CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, false);
+    return 0;
+}