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https://github.com/clearlinux/rkt.git
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Eugene Yakubovich
0b935f467f
When launching metadata service and net plugins, set the close-on-exec flag so the child processes don't end up holding the lock.
19 lines
355 B
Go
19 lines
355 B
Go
package sys
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import (
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"syscall"
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)
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// CloseOnExec sets or clears FD_CLOEXEC flag on a file descriptor
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func CloseOnExec(fd int, set bool) error {
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flag := uintptr(0)
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if set {
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flag = syscall.FD_CLOEXEC
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}
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_, _, err := syscall.RawSyscall(syscall.SYS_FCNTL, uintptr(fd), syscall.F_SETFD, flag)
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if err != 0 {
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return syscall.Errno(err)
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}
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return nil
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}
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