go_libinit.go RawHistoryFolder

1// SPDX-License-Identifier: Apache-2.0
2// SPDX-FileCopyrightText: 2022 The Ebitengine Authors
3
4//go:build darwin
5// +build darwin
6
7package fakecgo
8
9import (
10	"syscall"
11	"unsafe"
12)
13
14//go:nosplit
15func x_cgo_notify_runtime_init_done() {
16	// we don't support being called as a library
17}
18
19// _cgo_try_pthread_create retries pthread_create if it fails with
20// EAGAIN.
21//
22//go:nosplit
23func _cgo_try_pthread_create(thread *pthread_t, attr *pthread_attr_t, pfn unsafe.Pointer, arg *ThreadStart) int {
24	var tries int
25	var err int
26	var ts timespec
27
28	for tries = 0; tries < 20; tries++ {
29		err = int(pthread_create(thread, attr, pfn, unsafe.Pointer(arg)))
30		if err == 0 {
31			pthread_detach(*thread)
32			return 0
33		}
34		if err != int(syscall.EAGAIN) {
35			return err
36		}
37		ts.tv_sec = 0
38		ts.tv_nsec = (tries + 1) * 1000 * 1000 // Milliseconds.
39		nanosleep(&ts, nil)
40	}
41	return int(syscall.EAGAIN)
42}