kern
diff src/proc.h @ 72:3941e82b07f2
- implemented syscalls: exit, waitpid, getppid
- moved sys_whatever functions out of syscall.c into more reasonable files
- putting all the definitions that must be synced with userland to include/kdef.h
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Sat, 15 Oct 2011 07:45:56 +0300 |
| parents | 0a205396e1a0 |
| children | 7ff2b4971216 |
line diff
1.1 --- a/src/proc.h Thu Oct 13 05:22:35 2011 +0300 1.2 +++ b/src/proc.h Sat Oct 15 07:45:56 2011 +0300 1.3 @@ -27,6 +27,8 @@ 1.4 int id, parent; 1.5 enum proc_state state; 1.6 1.7 + int exit_status; 1.8 + 1.9 /* when blocked it's waiting for a wakeup on this address */ 1.10 void *wait_addr; 1.11 1.12 @@ -44,12 +46,17 @@ 1.13 1.14 struct context ctx; 1.15 1.16 + struct process *child_list; 1.17 + 1.18 struct process *next, *prev; /* for the scheduler queues */ 1.19 + struct process *sib_next; /* for the sibling list */ 1.20 }; 1.21 1.22 void init_proc(void); 1.23 1.24 -int fork(void); 1.25 +int sys_fork(void); 1.26 +int sys_exit(int status); 1.27 +int sys_waitpid(int pid, int *status, int opt); 1.28 1.29 void context_switch(int pid); 1.30 1.31 @@ -58,6 +65,9 @@ 1.32 struct process *get_current_proc(void); 1.33 struct process *get_process(int pid); 1.34 1.35 +int sys_getpid(void); 1.36 +int sys_getppid(void); 1.37 + 1.38 /* defined in proc-asm.S */ 1.39 uint32_t get_instr_ptr(void); 1.40 uint32_t get_caller_instr_ptr(void);