golang sys_openbsd 代码
文件路径：/src/runtime/sys_openbsd.go
/ Copyright 2020 The Go Authors. All rights reserved.
/ Use of this source code is governed by a BSD-style
/ license that can be found in the LICENSE file.
/go:build openbsd && !mips64
package runtime
import (
"internal/abi"
"unsafe"
)
/ The *_trampoline functions convert from the Go calling convention to the C calling convention
/ and then call the underlying libc function. These are defined in sys_openbsd_$ARCH.s.
/go:nosplit
/go:cgo_unsafe_args
func pthread_attr_init(attr *pthreadattr) int32 {
ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_attr_init_trampoline)), unsafe.Pointer(&attr))
KeepAlive(attr)
return ret
}
func pthread_attr_init_trampoline()
/go:nosplit
/go:cgo_unsafe_args
func pthread_attr_destroy(attr *pthreadattr) int32 {
ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_attr_destroy_trampoline)), unsafe.Pointer(&attr))
KeepAlive(attr)
return ret
}
func pthread_attr_destroy_trampoline()
/go:nosplit
/go:cgo_unsafe_args
func pthread_attr_getstacksize(attr *pthreadattr, size *uintptr) int32 {
ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_attr_getstacksize_trampoline)), unsafe.Pointer(&attr))
KeepAlive(attr)
KeepAlive(size)
return ret
}
func pthread_attr_getstacksize_trampoline()
/go:nosplit
/go:cgo_unsafe_args
func pthread_attr_setdetachstate(attr *pthreadattr, state int) int32 {
ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_attr_setdetachstate_trampoline)), unsafe.Pointer(&attr))
KeepAlive(attr)
return ret
}
func pthread_attr_setdetachstate_trampoline()
/go:nosplit
/go:cgo_unsafe_args
func pthread_create(attr *pthreadattr, start uintptr, arg unsafe.Pointer) int32 {
ret := libcCall(unsafe.Pointer(abi.FuncPCABI0(pthread_create_trampoline)), unsafe.Pointer(&attr))
KeepAlive(attr)
KeepAlive(arg) / Just for consistency. Arg of course needs to be kept alive for the start function.
return ret
}
func pthread_create_trampoline()
/ Tell the linker that the libc_* functions are to be found
/ in a system library, with the libc_ prefix missing.
/go:cgo_import_dynamic libc_pthread_attr_init pthread_attr_init "libpthread.so"
/go:cgo_import_dynamic libc_pthread_attr_destroy pthread_attr_destroy "libpthread.so"
/go:cgo_import_dynamic libc_pthread_attr_getstacksize pthread_attr_getstacksize "libpthread.so"
/go:cgo_import_dynamic libc_pthread_attr_setdetachstate pthread_attr_setdetachstate "libpthread.so"
/go:cgo_import_dynamic libc_pthread_create pthread_create "libpthread.so"
/go:cgo_import_dynamic libc_pthread_sigmask pthread_sigmask "libpthread.so"
/go:cgo_import_dynamic _ _ "libpthread.so"
/go:cgo_import_dynamic _ _ "libc.so"