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Add recvmmsg and sendmmsg to the generic glibc API.

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This commit is contained in:
Thomas Schwinge
2012-11-03 18:29:46 +01:00
parent cf9a5d1861
commit 123be9deda
13 changed files with 147 additions and 60 deletions
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18
sysdeps/unix/sysv/linux/sendmmsg.c
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@ -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