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Diffstat (limited to 'pkg/safecopy/safecopy_unsafe.go')
-rw-r--r--pkg/safecopy/safecopy_unsafe.go17
1 files changed, 5 insertions, 12 deletions
diff --git a/pkg/safecopy/safecopy_unsafe.go b/pkg/safecopy/safecopy_unsafe.go
index 3ec73f296..2365b2c0d 100644
--- a/pkg/safecopy/safecopy_unsafe.go
+++ b/pkg/safecopy/safecopy_unsafe.go
@@ -20,6 +20,7 @@ import (
"unsafe"
"golang.org/x/sys/unix"
+ "gvisor.dev/gvisor/pkg/abi/linux"
)
// maxRegisterSize is the maximum register size used in memcpy and memclr. It
@@ -342,15 +343,7 @@ func errorFromFaultSignal(addr uintptr, sig int32) error {
// handler however, and if this is function is being used externally then the
// same courtesy is expected.
func ReplaceSignalHandler(sig unix.Signal, handler uintptr, previous *uintptr) error {
- // TODO(gvisor.dev/issue/6160): This struct is the same as linux.SigAction.
- // Once the usermem dependency is removed from primitive, delete this replica
- // and remove IFTTT comments in abi/linux/signal.go.
- var sa struct {
- handler uintptr
- flags uint64
- restorer uintptr
- mask uint64
- }
+ var sa linux.SigAction
const maskLen = 8
// Get the existing signal handler information, and save the current
@@ -361,14 +354,14 @@ func ReplaceSignalHandler(sig unix.Signal, handler uintptr, previous *uintptr) e
}
// Fail if there isn't a previous handler.
- if sa.handler == 0 {
+ if sa.Handler == 0 {
return fmt.Errorf("previous handler for signal %x isn't set", sig)
}
- *previous = sa.handler
+ *previous = uintptr(sa.Handler)
// Install our own handler.
- sa.handler = handler
+ sa.Handler = uint64(handler)
if _, _, e := unix.RawSyscall6(unix.SYS_RT_SIGACTION, uintptr(sig), uintptr(unsafe.Pointer(&sa)), 0, maskLen, 0, 0); e != 0 {
return e
}