Source file
src/os/wait_wait6.go
Documentation: os
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8 package os
9
10 import (
11 "runtime"
12 "syscall"
13 )
14
15 const _P_PID = 0
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19
20 func (p *Process) blockUntilWaitable() (bool, error) {
21 var errno syscall.Errno
22 for {
23
24
25
26 if runtime.GOOS == "freebsd" && runtime.GOARCH == "386" {
27 _, _, errno = syscall.Syscall9(syscall.SYS_WAIT6, _P_PID, uintptr(p.Pid), 0, 0, syscall.WEXITED|syscall.WNOWAIT, 0, 0, 0, 0)
28 } else if runtime.GOOS == "freebsd" && runtime.GOARCH == "arm" {
29 _, _, errno = syscall.Syscall9(syscall.SYS_WAIT6, _P_PID, 0, uintptr(p.Pid), 0, 0, syscall.WEXITED|syscall.WNOWAIT, 0, 0, 0)
30 } else {
31 _, _, errno = syscall.Syscall6(syscall.SYS_WAIT6, _P_PID, uintptr(p.Pid), 0, syscall.WEXITED|syscall.WNOWAIT, 0, 0)
32 }
33 if errno != syscall.EINTR {
34 break
35 }
36 }
37 runtime.KeepAlive(p)
38 if errno == syscall.ENOSYS {
39 return false, nil
40 } else if errno != 0 {
41 return false, NewSyscallError("wait6", errno)
42 }
43 return true, nil
44 }
45
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