fork.md

Syscall fork

User Mode

#include <uinstd.h>
pid_t fork();

Clone the calling process, return the childs PID to the parent and 0 to the child. Parent and child are identical except for the PID. All process memory is copied during fork.

Kernel Mode

Implemented in sys_process.c as sys_fork().

See also

Overview: syscalls

Process Control Syscalls: fork | execv | exit | kill | ms_sleep | wait | chdir | sbrk