1//===-- Linux implementation of execv -------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "src/unistd/execv.h"
10#include "src/unistd/environ.h"
11
12#include "src/__support/OSUtil/syscall.h" // For internal syscall function.
13#include "src/__support/common.h"
14
15#include "src/errno/libc_errno.h"
16#include <sys/syscall.h> // For syscall numbers.
17
18namespace LIBC_NAMESPACE {
19
20LLVM_LIBC_FUNCTION(int, execv, (const char *path, char *const argv[])) {
21 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_execve, ts: path, ts: argv,
22 LIBC_NAMESPACE::environ);
23 if (ret < 0) {
24 libc_errno = -ret;
25 return -1;
26 }
27
28 // Control will not reach here on success but have a return statement will
29 // keep the compilers happy.
30 return ret;
31}
32
33} // namespace LIBC_NAMESPACE
34

source code of libc/src/unistd/linux/execv.cpp