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glibc  2.9
send.c
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00001 /* Copyright (C) 2001, 2002, 2007 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <errno.h>
00020 #include <sys/socket.h>
00021 #include <sysdep-cancel.h>
00022 
00023 /* Send N bytes of BUF to socket FD.  Returns the number sent or -1.  */
00024 ssize_t
00025 __libc_send (int fd, const void *buf, size_t n, int flags)
00026 {
00027   if (SINGLE_THREAD_P)
00028     return INLINE_SYSCALL (sendto, 6, fd, buf, n, flags, NULL, (size_t) 0);
00029 
00030   int oldtype = LIBC_CANCEL_ASYNC ();
00031 
00032   ssize_t result = INLINE_SYSCALL (sendto, 6, fd, buf, n, flags, NULL,
00033                                (size_t) 0);
00034 
00035   LIBC_CANCEL_RESET (oldtype);
00036 
00037   return result;
00038 }
00039 
00040 weak_alias (__libc_send, __send)
00041 libc_hidden_weak (__send)
00042 weak_alias (__send, send)