From aa8a8811818331cf511681327e3ba95e456f0d33 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 2 May 2020 15:44:11 +0200
Subject: Added many syscalls to get better POSIX compliance

---
 src/kernel/syscall/actions/sys_fork.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 src/kernel/syscall/actions/sys_fork.c

(limited to 'src/kernel/syscall/actions/sys_fork.c')

diff --git a/src/kernel/syscall/actions/sys_fork.c b/src/kernel/syscall/actions/sys_fork.c
new file mode 100644
index 0000000..af64ff9
--- /dev/null
+++ b/src/kernel/syscall/actions/sys_fork.c
@@ -0,0 +1,19 @@
+#include <stdint.h>
+#include <kernel/interrupts/interrupts.h>
+#include <kernel/memory/paging.h>
+#include <kernel/tasks/process.h>
+#include <kernel/lib/lib.h>
+
+uint32_t sys_fork(struct regs *r)
+{
+	struct page_directory *dir = paging_copy_user_directory(current_proc->cr3);
+	struct process *proc = process_make_new();
+	proc->cr3 = dir;
+	memcpy(&proc->registers, r, sizeof(struct regs));
+	proc->registers.eax = proc->pid;
+	proc->pid = current_proc->pid;
+
+	process_spawn(proc);
+
+	return 0;
+}
\ No newline at end of file
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