Grab The Current PID To Abort On

Setting the pid to 0 will send the SIGABRT signal to "every process in the process group of the calling process". This means that darlingserver will also get killed as a result (which we don't want to happen).

darling/src/libsystem_kernel/emulation/linux/simple.c

@@ -5,6 +5,7 @@
 #include <linux-syscalls/linux.h>
 #include "mach/lkm.h"
 #include "signal/kill.h"
+#include "unistd/getpid.h"
 #include <sys/signal.h>
 #include <darlingserver/rpc.h>
 
@@ -574,6 +575,6 @@ have_nl:
 
 __attribute__ ((visibility ("default")))
 void __simple_abort(void) {
-	sys_kill(0, SIGABRT, 1);
+	sys_kill(sys_getpid(), SIGABRT, 1);
 	__builtin_unreachable();
 };