//===-- Linux implementation of execv -------------------------------------===//
//
// 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/execv.h"
#include "src/__support/macros/config.h"
#include "src/unistd/environ.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 LIBC_NAMESPACE_DECL {
LLVM_LIBC_FUNCTION(int, execv, (const char *path, char *const argv[])) {
int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_execve, path, argv,
LIBC_NAMESPACE::environ);
if (ret < 0) {
libc_errno = -ret;
return -1;
}
// Control will not reach here on success but have a return statement will
// keep the compilers happy.
return ret;
}
} // namespace LIBC_NAMESPACE_DECL