diff options
Diffstat (limited to 'common/uapi/ipc.c')
| -rw-r--r-- | common/uapi/ipc.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/common/uapi/ipc.c b/common/uapi/ipc.c index 8584673..4cdec0c 100644 --- a/common/uapi/ipc.c +++ b/common/uapi/ipc.c @@ -9,6 +9,13 @@ #include <apos/uapi.h> #include <apos/tcb.h> +/** + * IPC server notification syscall handler. + * + * @param callback Address of server callback. + * @return \ref ERR_EXT and \c 0 if process already is a server, + * \ref OK and \c 0 otherwise. + */ SYSCALL_DEFINE1(ipc_server)(sys_arg_t callback) { struct tcb *r = cur_tcb(); @@ -19,6 +26,14 @@ SYSCALL_DEFINE1(ipc_server)(sys_arg_t callback) return (struct sys_ret){ OK, 0 }; } +/** + * IPC request syscall handler. + * + * @param pid Process to request RPC to. + * @param d0 IPC argument 0. + * @param d1 IPC argument 1. + * @return \c d0 and \c d1. + */ SYSCALL_DEFINE3(ipc_req)(sys_arg_t pid, sys_arg_t d0, sys_arg_t d1) { struct tcb *r = get_tcb(pid); @@ -27,13 +42,28 @@ SYSCALL_DEFINE3(ipc_req)(sys_arg_t pid, sys_arg_t d0, sys_arg_t d1) return (struct sys_ret){ d0, d1 }; } -SYSCALL_DEFINE3(ipc_fwd)(sys_arg_t tid, sys_arg_t d0, sys_arg_t d1) +/** + * IPC forwarding syscall handler. + * + * @param pid Process to rquest RPC to. + * @param d0 IPC argument 0. + * @param d1 IPC argument 1. + * @return \c d0 and \c d1. + */ +SYSCALL_DEFINE3(ipc_fwd)(sys_arg_t pid, sys_arg_t d0, sys_arg_t d1) { - struct tcb *t = get_tcb(tid); + struct tcb *t = get_tcb(pid); /* ditto */ return (struct sys_ret){ d0, d1 }; } +/** + * IPC response syscall handler. + * + * @param d0 IPC return value 0. + * @param d1 IPC return value 1. + * @return \c d0 and \c d1. + */ SYSCALL_DEFINE2(ipc_resp)(sys_arg_t d0, sys_arg_t d1) { struct tcb *r = cur_tcb(); |