1 files changed, 45 insertions, 57 deletions

diff --git a/libc/misc/sysvipc/msgq.c b/libc/misc/sysvipc/msgq.c
index fc0279119..59fd47424 100644
--- a/libc/misc/sysvipc/msgq.c
+++ b/libc/misc/sysvipc/msgq.c
@@ -1,6 +1,11 @@
 #include <errno.h>
 #include <sys/msg.h>
 #include "ipc.h"
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+#include "sysdep-cancel.h"
+#else
+#define SINGLE_THREAD_P 1
+#endif
 
 
 #ifdef L_msgctl
@@ -42,83 +47,66 @@ struct new_msg_buf{
 
 
 #ifdef L_msgrcv
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
-#include <sysdep-cancel.h>
-
-int
-__libc_msgrcv (int msqid, void *msgp, size_t msgsz, long int msgtyp, int msgflg)
+#ifdef __NR_msgrcv
+#define __NR___syscall_msgrcv __NR_msgrcv
+static inline _syscall5(int, __syscall_msgrcv, int, msqid, void *, msgp,
+			size_t, msgsz, long int, msgtyp, int, msgflg);
+#endif
+static inline int do_msgrcv (int msqid, void *msgp, size_t msgsz,
+			    long int msgtyp, int msgflg)
 {
-  /* The problem here is that Linux' calling convention only allows up to
-     fives parameters to a system call.  */
-  struct new_msg_buf tmp;
-
-  tmp.oldmsg = msgp;
-  tmp.r_msgtyp = msgtyp;
-
-  if (SINGLE_THREAD_P)
-    return INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg,
-			   __ptrvalue (&tmp));
-
-  int oldtype = LIBC_CANCEL_ASYNC ();
-
-  int result = INLINE_SYSCALL (ipc, 5, IPCOP_msgrcv, msqid, msgsz, msgflg,
-			       __ptrvalue (&tmp));
-
-   LIBC_CANCEL_RESET (oldtype);
-
-  return result;
-}
-weak_alias(__libc_msgrcv, msgrcv)
-#else
 #ifdef __NR_msgrcv
-_syscall5(int, msgrcv, int, msqid, void *, msgp, size_t, msgsz, long int, msgtyp, int, msgflg);
+    return __syscall_msgrcv(msqid, msgp, msgsz, msgtyp, msgflg);
 #else
-int msgrcv (int msqid, void *msgp, size_t msgsz,
-	long int msgtyp, int msgflg)
-{
     struct new_msg_buf temp;
 
     temp.r_msgtyp = msgtyp;
     temp.oldmsg = msgp;
     return __syscall_ipc(IPCOP_msgrcv ,msqid ,msgsz ,msgflg ,&temp, 0);
-}
 #endif
+}
+int msgrcv (int msqid, void *msgp, size_t msgsz,
+	    long int msgtyp, int msgflg)
+{
+    if (SINGLE_THREAD_P)
+	return do_msgrcv(msqid, msgp, msgsz, msgtyp, msgflg);
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+    int oldtype = LIBC_CANCEL_ASYNC ();
+    int result = do_msgrcv(msqid, msgp, msgsz, msgtyp, msgflg);
+    LIBC_CANCEL_RESET (oldtype);
+    return result;
 #endif
+}
 #endif
 
 
 
 #ifdef L_msgsnd
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
-#include <sysdep-cancel.h>
-
-int
-__libc_msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg)
-{
-  if (SINGLE_THREAD_P)
-    return INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz,
-			   msgflg, msgp);
-
-  int oldtype = LIBC_CANCEL_ASYNC ();
-
-  int result = INLINE_SYSCALL (ipc, 5, IPCOP_msgsnd, msqid, msgsz,
-			       msgflg, msgp);
-
-  LIBC_CANCEL_RESET (oldtype);
-
-  return result;
-}
-weak_alias(__libc_msgsnd, msgsnd)
-#else
 #ifdef __NR_msgsnd
-_syscall4(int, msgsnd, int, msqid, const void *, msgp, size_t, msgsz, int, msgflg);
-#else
+#define __NR___syscall_msgsnd __NR_msgsnd
+static inline _syscall4(int, __syscall_msgsnd, int, msqid, const void *, msgp,
+			size_t, msgsz, int, msgflg);
+#endif
 /* Send message to message queue.  */
-int msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg)
+static inline int do_msgsnd (int msqid, const void *msgp, size_t msgsz,
+			    int msgflg)
 {
+#ifdef __NR_msgsnd
+    return __syscall_msgsnd(msqid, msgp, msgsz, msgflg);
+#else
     return __syscall_ipc(IPCOP_msgsnd, msqid, msgsz, msgflg, (void *)msgp, 0);
-}
 #endif
+}
+int msgsnd (int msqid, const void *msgp, size_t msgsz, int msgflg)
+{
+    if (SINGLE_THREAD_P)
+	return do_msgsnd(msqid, msgp, msgsz, msgflg);
+#ifdef __UCLIBC_HAS_THREADS_NATIVE__
+    int oldtype = LIBC_CANCEL_ASYNC ();
+    int result = do_msgsnd(msqid, msgp, msgsz, msgflg);
+    LIBC_CANCEL_RESET (oldtype);
+    return result;
 #endif
+}
 #endif