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https://github.com/opencontainers/runc.git
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Carl Henrik Lunde
0a45903563
The original SETUID takes a 16 bit UID. Linux 2.4 introduced a new syscall, SETUID32, with support for 32 bit UIDs. The setgid wrapper already uses SETGID32. Signed-off-by: Carl Henrik Lunde <chlunde@ifi.uio.no>
26 lines
489 B
Go
26 lines
489 B
Go
// +build linux,386
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package system
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import (
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"syscall"
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)
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// Setuid sets the uid of the calling thread to the specified uid.
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func Setuid(uid int) (err error) {
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_, _, e1 := syscall.RawSyscall(syscall.SYS_SETUID32, uintptr(uid), 0, 0)
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if e1 != 0 {
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err = e1
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}
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return
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}
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// Setgid sets the gid of the calling thread to the specified gid.
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func Setgid(gid int) (err error) {
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_, _, e1 := syscall.RawSyscall(syscall.SYS_SETGID32, uintptr(gid), 0, 0)
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if e1 != 0 {
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err = e1
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}
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return
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}
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