From 42dbcdfacd363ec16b92438ad57fbc0bca884c47 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Janosch=20Gr=C3=A4f?= <janosch@majestix.majestix>
Date: Fri, 26 Dec 2008 03:03:47 +0100
Subject: [PATCH] libmeinos/rpc: ~rpc_call has a flag parameter now            
    +flag SENDTO - send rpc to specific process

---
 apps/include/rpc.h       |  7 +++++--
 apps/lib/libmeinos/rpc.c | 12 +++++++-----
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/apps/include/rpc.h b/apps/include/rpc.h
index 17efccb..c6c6dda 100644
--- a/apps/include/rpc.h
+++ b/apps/include/rpc.h
@@ -27,14 +27,17 @@
 
 #define RPC_SYNOPSIS_MAXLEN NAME_MAX
 
+#define RPC_FLAG_RETPARAMS 1
+#define RPC_FLAG_SENDTO    2
+
 #define rpc_func(func,synopsis,paramsz) rpc_func_create(__STRING(func),func,synopsis,paramsz)
 
 pid_t rpc_curpid;
 
 int rpc_func_create(const char *name,void *func,const char *synopsis,size_t paramsz);
 int rpc_func_destroy(int id);
-int rpc_vcall(const char *name,int ret_params,va_list args);
-int rpc_call(const char *name,int ret_params,...);
+int rpc_vcall(const char *name,int flags,va_list args);
+int rpc_call(const char *name,int flags,...);
 int rpc_vcallself(const char *name,void *func,int ret_params,va_list args);
 int rpc_callself(const char *name,void *func,int ret_params,...);
 int rpc_poll(int id);
diff --git a/apps/lib/libmeinos/rpc.c b/apps/lib/libmeinos/rpc.c
index 0dc505c..7d9d10f 100644
--- a/apps/lib/libmeinos/rpc.c
+++ b/apps/lib/libmeinos/rpc.c
@@ -39,13 +39,15 @@ int rpc_func_destroy(int id) {
   return ret<0?-1:ret;
 }
 
-int rpc_vcall(const char *name,int ret_params,va_list args) {
+int rpc_vcall(const char *name,int flags,va_list args) {
   int ret,id,error;
   char synopsis[RPC_SYNOPSIS_MAXLEN];
   size_t paramsz,i;
   pack_t params;
+  int ret_params = (flags&RPC_FLAG_RETPARAMS);
+  pid_t sendto = (flags&RPC_FLAG_SENDTO)?va_arg(args,pid_t):0;
 
-  id = syscall_call(SYSCALL_RPC_GETINFO,8,-1,name,0,0,&paramsz,synopsis,RPC_SYNOPSIS_MAXLEN,0);
+  id = syscall_call(SYSCALL_RPC_GETINFO,8,-1,name,sendto,0,&paramsz,synopsis,RPC_SYNOPSIS_MAXLEN,0);
   if (id>=0) {
     // pack parameters
     params = pack_malloc(paramsz);
@@ -97,10 +99,10 @@ int rpc_vcall(const char *name,int ret_params,va_list args) {
   return -1;
 }
 
-int rpc_call(const char *name,int ret_params,...) {
+int rpc_call(const char *name,int flags,...) {
   va_list args;
-  va_start(args,ret_params);
-  int ret = rpc_vcall(name,ret_params,args);
+  va_start(args,flags);
+  int ret = rpc_vcall(name,flags,args);
   va_end(args);
   return ret;
 }
-- 
2.11.4.GIT