Fix fork() for new task switching model

src/kernel/syscalls/fork.cpp

@@ -0,0 +1,24 @@
+
+#include "log.h"
+#include "scheduler.h"
+
+namespace syscalls {
+
+pid_t
+fork()
+{
+	auto &s = scheduler::get();
+	auto *p = s.current();
+	pid_t ppid = p->pid;
+
+	log::debug(logs::syscall, "Process %d calling fork()", ppid);
+
+	pid_t pid = p->fork();
+
+	p = s.current();
+	log::debug(logs::syscall, "Process %d's fork: returning %d from process %d", ppid, pid, p->pid);
+
+	return pid;
+}
+
+} // namespace syscalls