From: Ben Gras <ben@minix3.org>
Date: Tue, 29 Jun 2010 12:08:37 +0000 (+0000)
Subject: MF_REPLY_PEND should be removed when sendrec finishes
X-Git-Url: http://zhaoyanbai.com/repos/Bv9ARM.ch03.html?a=commitdiff_plain;h=57ed4bbb517b383e0da149688802ce9b77d29392;p=minix.git

MF_REPLY_PEND should be removed when sendrec finishes
(r7565 from trunk)
---

diff --git a/kernel/proc.c b/kernel/proc.c
index 70983478c..49ed85b87 100644
--- a/kernel/proc.c
+++ b/kernel/proc.c
@@ -561,6 +561,10 @@ PUBLIC int mini_send(
 	call = (caller_ptr->p_misc_flags & MF_REPLY_PEND ? SENDREC
 		: (flags & NON_BLOCKING ? SENDNB : SEND));
 	IPC_STATUS_ADD_CALL(dst_ptr, call);
+
+	if (dst_ptr->p_misc_flags & MF_REPLY_PEND)
+		dst_ptr->p_misc_flags &= ~MF_REPLY_PEND;
+
 	RTS_UNSET(dst_ptr, RTS_RECEIVING);
   } else {
 	if(flags & NON_BLOCKING) {
@@ -679,7 +683,7 @@ PRIVATE int mini_receive(
 
 	    IPC_STATUS_ADD_CALL(caller_ptr, NOTIFY);
 
-	    return(OK);
+	    goto receive_done;
         }
     }
 
@@ -693,7 +697,7 @@ PRIVATE int mini_receive(
 
 	if (r == OK) {
 		IPC_STATUS_ADD_CALL(caller_ptr, SENDA);
-		return OK;	/* Got a message */
+		goto receive_done;
 	}
     }
 
@@ -731,7 +735,7 @@ PRIVATE int mini_receive(
 
             *xpp = sender->p_q_link;		/* remove from queue */
 	    sender->p_q_link = NULL;
-            return(OK);				/* report success */
+	    goto receive_done;
 	}
 	xpp = &sender->p_q_link;		/* proceed to next */
     }
@@ -752,6 +756,11 @@ PRIVATE int mini_receive(
   } else {
 	return(ENOTREADY);
   }
+
+receive_done:
+  if (caller_ptr->p_misc_flags & MF_REPLY_PEND)
+	  caller_ptr->p_misc_flags &= ~MF_REPLY_PEND;
+  return OK;
 }
 
 /*===========================================================================*