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//===-- Linux implementation of the pthread_create function ---------------===//
//
// 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 "pthread_create.h"
#include "src/__support/common.h"
#include "src/__support/threads/thread.h"
#include <errno.h>
#include <pthread.h> // For pthread_* type definitions.
namespace __llvm_libc {
static_assert(sizeof(pthread_t) == sizeof(__llvm_libc::Thread),
"Mismatch between pthread_t and internal Thread.");
LLVM_LIBC_FUNCTION(int, pthread_create,
(pthread_t *__restrict th, const pthread_attr_t *__restrict,
__pthread_start_t func, void *arg)) {
auto *thread = reinterpret_cast<__llvm_libc::Thread *>(th);
// TODO: Use the attributes parameter to set up thread properties.
int result = thread->run(func, arg, nullptr, 0);
if (result != 0 && result != EPERM)
return EAGAIN;
return result;
}
} // namespace __llvm_libc
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