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//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos
// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos
// Signal handling for Linux only.
package signal
import (
"os"
"syscall"
)
const (
sigrtmin = 34
sigrtmax = 64
SIGWINCH = syscall.Signal(0xff)
)
// signalMap is a map of Linux signals.
// These constants are sourced from the Linux version of golang.org/x/sys/unix
// (I don't see much risk of this changing).
// This should work as long as Podman only runs containers on Linux, which seems
// a safe assumption for now.
var signalMap = map[string]syscall.Signal{
"ABRT": syscall.Signal(0x6),
"ALRM": syscall.Signal(0xe),
"BUS": syscall.Signal(0x7),
"CHLD": syscall.Signal(0x11),
"CLD": syscall.Signal(0x11),
"CONT": syscall.Signal(0x12),
"FPE": syscall.Signal(0x8),
"HUP": syscall.Signal(0x1),
"ILL": syscall.Signal(0x4),
"INT": syscall.Signal(0x2),
"IO": syscall.Signal(0x1d),
"IOT": syscall.Signal(0x6),
"KILL": syscall.Signal(0x9),
"PIPE": syscall.Signal(0xd),
"POLL": syscall.Signal(0x1d),
"PROF": syscall.Signal(0x1b),
"PWR": syscall.Signal(0x1e),
"QUIT": syscall.Signal(0x3),
"SEGV": syscall.Signal(0xb),
"STKFLT": syscall.Signal(0x10),
"STOP": syscall.Signal(0x13),
"SYS": syscall.Signal(0x1f),
"TERM": syscall.Signal(0xf),
"TRAP": syscall.Signal(0x5),
"TSTP": syscall.Signal(0x14),
"TTIN": syscall.Signal(0x15),
"TTOU": syscall.Signal(0x16),
"URG": syscall.Signal(0x17),
"USR1": syscall.Signal(0xa),
"USR2": syscall.Signal(0xc),
"VTALRM": syscall.Signal(0x1a),
"WINCH": syscall.Signal(0x1c),
"XCPU": syscall.Signal(0x18),
"XFSZ": syscall.Signal(0x19),
"RTMIN": sigrtmin,
"RTMIN+1": sigrtmin + 1,
"RTMIN+2": sigrtmin + 2,
"RTMIN+3": sigrtmin + 3,
"RTMIN+4": sigrtmin + 4,
"RTMIN+5": sigrtmin + 5,
"RTMIN+6": sigrtmin + 6,
"RTMIN+7": sigrtmin + 7,
"RTMIN+8": sigrtmin + 8,
"RTMIN+9": sigrtmin + 9,
"RTMIN+10": sigrtmin + 10,
"RTMIN+11": sigrtmin + 11,
"RTMIN+12": sigrtmin + 12,
"RTMIN+13": sigrtmin + 13,
"RTMIN+14": sigrtmin + 14,
"RTMIN+15": sigrtmin + 15,
"RTMAX-14": sigrtmax - 14,
"RTMAX-13": sigrtmax - 13,
"RTMAX-12": sigrtmax - 12,
"RTMAX-11": sigrtmax - 11,
"RTMAX-10": sigrtmax - 10,
"RTMAX-9": sigrtmax - 9,
"RTMAX-8": sigrtmax - 8,
"RTMAX-7": sigrtmax - 7,
"RTMAX-6": sigrtmax - 6,
"RTMAX-5": sigrtmax - 5,
"RTMAX-4": sigrtmax - 4,
"RTMAX-3": sigrtmax - 3,
"RTMAX-2": sigrtmax - 2,
"RTMAX-1": sigrtmax - 1,
"RTMAX": sigrtmax,
}
// CatchAll catches all signals and relays them to the specified channel.
func CatchAll(sigc chan os.Signal) {
panic("Unsupported on non-linux platforms")
}
// StopCatch stops catching the signals and closes the specified channel.
func StopCatch(sigc chan os.Signal) {
panic("Unsupported on non-linux platforms")
}
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