forked from I2P_Developers/i2p.i2p
64 lines
2.4 KiB
C
64 lines
2.4 KiB
C
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#pragma once
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#include <CoreFoundation/CoreFoundation.h>
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#include <unistd.h>
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#include <sys/event.h>
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#include <functional>
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#include "neither/either.hpp"
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#include "AppDelegate.h"
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using callbackType = void (CFFileDescriptorRef, CFOptionFlags, void *);
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using HandleFunction = std::function<void(int)>;
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/*
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class CallbackWrapper
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{
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CallbackWrapper(HandleFunction func) : mCallback(func);
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void operator(CFFileDescriptorRef fdref, CFOptionFlags callBackTypes, void *info) {
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struct kevent kev;
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int fd = CFFileDescriptorGetNativeDescriptor(fdref);
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kevent(fd, NULL, 0, &kev, 1, NULL);
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// take action on death of process here
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NSLog(@"process with pid '%u' died\n", (unsigned int)kev.ident);
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mCallback(0);
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CFFileDescriptorInvalidate(fdref);
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CFRelease(fdref);
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}
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private:
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HandleFunction mCallback;
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};
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*/
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static void noteProcDeath(CFFileDescriptorRef fdref, CFOptionFlags callBackTypes, void *info) {
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struct kevent kev;
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int fd = CFFileDescriptorGetNativeDescriptor(fdref);
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kevent(fd, NULL, 0, &kev, 1, NULL);
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// take action on death of process here
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NSLog(@"process with pid '%u' died\n", (unsigned int)kev.ident);
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sendUserNotification(APP_IDSTR, @"The I2P router has stopped.");
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CFFileDescriptorInvalidate(fdref);
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CFRelease(fdref); // the CFFileDescriptorRef is no longer of any use in this example
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}
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// one argument, an integer pid to watch, required
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int watchPid(int pid, callbackType callback = noteProcDeath) {
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int fd = kqueue();
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struct kevent kev;
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EV_SET(&kev, pid, EVFILT_PROC, EV_ADD|EV_ENABLE, NOTE_EXIT, 0, NULL);
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kevent(fd, &kev, 1, NULL, 0, NULL);
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CFFileDescriptorRef fdref = CFFileDescriptorCreate(kCFAllocatorDefault, fd, true, callback, NULL);
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CFFileDescriptorEnableCallBacks(fdref, kCFFileDescriptorReadCallBack);
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CFRunLoopSourceRef source = CFFileDescriptorCreateRunLoopSource(kCFAllocatorDefault, fdref, 0);
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CFRunLoopAddSource(CFRunLoopGetMain(), source, kCFRunLoopDefaultMode);
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CFRelease(source);
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/*
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seconds
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The length of time to run the run loop. If 0, only one pass is made through the run loop before returning;
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if multiple sources or timers are ready to fire immediately, only one (possibly two if one is a version
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0 source) will be fired, regardless of the value of returnAfterSourceHandled.
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*/
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CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0, false);
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return 0;
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}
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