blob: 4884ccf1ed3332462012381fa573959f303fd96e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
//===-- Linux implementation of write -------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "src/unistd/write.h"
#include "src/__support/OSUtil/syscall.h" // For internal syscall function.
#include "src/__support/common.h"
#include "src/errno/libc_errno.h"
#include <sys/syscall.h> // For syscall numbers.
namespace __llvm_libc {
LLVM_LIBC_FUNCTION(ssize_t, write, (int fd, const void *buf, size_t count)) {
ssize_t ret = __llvm_libc::syscall_impl<ssize_t>(SYS_write, fd, buf, count);
if (ret < 0) {
libc_errno = static_cast<int>(-ret);
return -1;
}
return ret;
}
} // namespace __llvm_libc
|