Add recvmmsg and sendmmsg to the generic glibc API.

5 files changed, 16 insertions, 58 deletions

diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 8e5361c49b..ecd9c2c973 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -12,8 +12,7 @@ CFLAGS-malloc.c += -DMORECORE_CLEARS=2
 endif
 
 ifeq ($(subdir),socket)
-sysdep_routines += internal_accept4 recvmmsg internal_recvmmsg sendmmsg \
-		   internal_sendmmsg
+sysdep_routines += internal_accept4 internal_recvmmsg internal_sendmmsg
 endif
 
 ifeq ($(subdir),misc)
diff --git a/sysdeps/unix/sysv/linux/bits/socket.h b/sysdeps/unix/sysv/linux/bits/socket.h
index 309cba7282..df8f1670b0 100644
--- a/sysdeps/unix/sysv/linux/bits/socket.h
+++ b/sysdeps/unix/sysv/linux/bits/socket.h
@@ -235,16 +235,6 @@ struct msghdr
     int msg_flags;		/* Flags on received message.  */
   };
 
-#ifdef __USE_GNU
-/* For `recvmmsg' and 'sendmmsg'.  */
-struct mmsghdr
-  {
-    struct msghdr msg_hdr;	/* Actual message header.  */
-    unsigned int msg_len;	/* Number of received or sent bytes
-				   for the entry.  */
-  };
-#endif
-
 /* Structure used for storage of ancillary data object information.  */
 struct cmsghdr
   {
@@ -389,27 +379,4 @@ struct linger
     int l_linger;		/* Time to linger.  */
   };
 
-
-__BEGIN_DECLS
-
-#ifdef __USE_GNU
-/* Receive up to VLEN messages as described by VMESSAGES from socket FD.
-   Returns the number of bytes read or -1 for errors.
-
-   This function is a cancellation point and therefore not marked with
-   __THROW.  */
-extern int recvmmsg (int __fd, struct mmsghdr *__vmessages,
-		     unsigned int __vlen, int __flags,
-		     const struct timespec *__tmo);
-
-/* Send a VLEN messages as described by VMESSAGES to socket FD.
-   Return the number of datagrams successfully written or -1 for errors.
-This function is a cancellation point and therefore not marked with
-   __THROW.  */
-extern int sendmmsg (int __fd, struct mmsghdr *__vmessages,
-		     unsigned int __vlen, int __flags);
-#endif
-
-__END_DECLS
-
 #endif	/* bits/socket.h */
diff --git a/sysdeps/unix/sysv/linux/internal_sendmmsg.S b/sysdeps/unix/sysv/linux/internal_sendmmsg.S
index f5152c9f1f..e6681f099d 100644
--- a/sysdeps/unix/sysv/linux/internal_sendmmsg.S
+++ b/sysdeps/unix/sysv/linux/internal_sendmmsg.S
@@ -2,13 +2,14 @@
 #include <sys/syscall.h>
 #if !defined __NR_sendmmsg && defined __NR_socketcall
 # define socket	sendmmsg
-# ifdef __ASSUME_SENDMMSG
-#  define __socket sendmmsg
-# else
+# ifndef __ASSUME_SENDMMSG
 #  define __socket __internal_sendmmsg
+#  define NO_WEAK_ALIAS
 # endif
 # define NARGS 4
 # define NEED_CANCELLATION
-# define NO_WEAK_ALIAS
 # include <socket.S>
+# ifdef __ASSUME_SENDMMSG
+libc_hidden_def (__sendmmsg)
+# endif
 #endif
diff --git a/sysdeps/unix/sysv/linux/recvmmsg.c b/sysdeps/unix/sysv/linux/recvmmsg.c
index 32fc8dfc6c..009d868a62 100644
--- a/sysdeps/unix/sysv/linux/recvmmsg.c
+++ b/sysdeps/unix/sysv/linux/recvmmsg.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2010 Free Software Foundation, Inc.
+/* Copyright (C) 2010-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Schwab <schwab@redhat.com>, 2010.
 
@@ -88,12 +88,5 @@ recvmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags,
 /* When __ASSUME_RECVMMSG recvmmsg is defined in internal_recvmmsg.S.  */
 # endif
 #else
-int
-recvmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags,
-	  const struct timespec *tmo)
-{
-  __set_errno (ENOSYS);
-  return -1;
-}
-stub_warning (recvmmsg)
+# include <socket/recvmmsg.c>
 #endif
diff --git a/sysdeps/unix/sysv/linux/sendmmsg.c b/sysdeps/unix/sysv/linux/sendmmsg.c
index 0674419206..a6daff1728 100644
--- a/sysdeps/unix/sysv/linux/sendmmsg.c
+++ b/sysdeps/unix/sysv/linux/sendmmsg.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011 Free Software Foundation, Inc.
+/* Copyright (C) 2011-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@gmail.com>, 2011.
 
@@ -26,7 +26,7 @@
 
 #ifdef __NR_sendmmsg
 int
-sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
+__sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
 {
   if (SINGLE_THREAD_P)
     return INLINE_SYSCALL (sendmmsg, 4, fd, vmessages, vlen, flags);
@@ -39,6 +39,8 @@ sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
 
   return result;
 }
+libc_hidden_def (__sendmmsg)
+weak_alias (__sendmmsg, sendmmsg)
 #elif defined __NR_socketcall
 # ifndef __ASSUME_SENDMMSG
 extern int __internal_sendmmsg (int fd, struct mmsghdr *vmessages,
@@ -48,7 +50,7 @@ extern int __internal_sendmmsg (int fd, struct mmsghdr *vmessages,
 static int have_sendmmsg;
 
 int
-sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
+__sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
 {
   if (__builtin_expect (have_sendmmsg >= 0, 1))
     {
@@ -81,15 +83,11 @@ sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
   __set_errno (ENOSYS);
   return -1;
 }
+libc_hidden_def (__sendmmsg)
+weak_alias (__sendmmsg, sendmmsg)
 # else
 /* When __ASSUME_SENDMMSG sendmmsg is defined in internal_sendmmsg.S.  */
 # endif
 #else
-int
-sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags)
-{
-  __set_errno (ENOSYS);
-  return -1;
-}
-stub_warning (sendmmsg)
+# include <socket/sendmmsg.c>
 #endif