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path: root/vendor/github.com/ebitengine/purego/internal/fakecgo/libcgo.go
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// SPDX-License-Identifier: Apache-2.0
// SPDX-FileCopyrightText: 2022 The Ebitengine Authors

//go:build !cgo && (darwin || freebsd || linux)

package fakecgo

type (
	size_t uintptr
	// Sources:
	// Darwin (32 bytes) - https://github.com/apple/darwin-xnu/blob/2ff845c2e033bd0ff64b5b6aa6063a1f8f65aa32/bsd/sys/_types.h#L74
	// FreeBSD (32 bytes) - https://github.com/DoctorWkt/xv6-freebsd/blob/d2a294c2a984baed27676068b15ed9a29b06ab6f/include/signal.h#L98C9-L98C21
	// Linux (128 bytes) - https://github.com/torvalds/linux/blob/ab75170520d4964f3acf8bb1f91d34cbc650688e/arch/x86/include/asm/signal.h#L25
	sigset_t       [128]byte
	pthread_attr_t [64]byte
	pthread_t      int
	pthread_key_t  uint64
)

// for pthread_sigmask:

type sighow int32

const (
	SIG_BLOCK   sighow = 0
	SIG_UNBLOCK sighow = 1
	SIG_SETMASK sighow = 2
)

type G struct {
	stacklo uintptr
	stackhi uintptr
}

type ThreadStart struct {
	g   *G
	tls *uintptr
	fn  uintptr
}