| /* Copyright (C) 1991, 1995, 1996, 1997, 2002 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #include <sysdep.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <stddef.h> |
| #include <signal.h> |
| #include <parlib/event.h> |
| #include <ros/syscall.h> |
| #include <parlib/signal.h> |
| |
| #define unlikely(x) __builtin_expect(!!(x), 0) |
| |
| /* Write NBYTES of BUF to FD. Return the number written, or -1. Since signals |
| * are a user-space construct in Akaros, handle the SIGPIPE case as well. */ |
| ssize_t __libc_write(int fd, const void *buf, size_t nbytes) |
| { |
| int ret = ros_syscall(SYS_write, fd, buf, nbytes, 0, 0, 0); |
| |
| if (unlikely((ret < 0) && (errno == EPIPE))) { |
| sigset_t mask; |
| |
| sigprocmask(0, NULL, &mask); |
| if (!__sigismember(&mask, SIGPIPE)) |
| signal_ops->sigself(SIGPIPE); |
| } |
| return ret; |
| } |
| libc_hidden_def (__libc_write) |
| |
| weak_alias (__libc_write, __write) |
| libc_hidden_weak (__write) |
| weak_alias (__libc_write, write) |
