diff options
Diffstat (limited to 'src/runtime/os_linux_generic.go')
-rw-r--r-- | src/runtime/os_linux_generic.go | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/runtime/os_linux_generic.go b/src/runtime/os_linux_generic.go new file mode 100644 index 0000000..15fafc1 --- /dev/null +++ b/src/runtime/os_linux_generic.go @@ -0,0 +1,37 @@ +// Copyright 2009 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !mips && !mipsle && !mips64 && !mips64le && !s390x && !ppc64 && linux + +package runtime + +const ( + _SS_DISABLE = 2 + _NSIG = 65 + _SIG_BLOCK = 0 + _SIG_UNBLOCK = 1 + _SIG_SETMASK = 2 +) + +// It's hard to tease out exactly how big a Sigset is, but +// rt_sigprocmask crashes if we get it wrong, so if binaries +// are running, this is right. +type sigset [2]uint32 + +var sigset_all = sigset{^uint32(0), ^uint32(0)} + +//go:nosplit +//go:nowritebarrierrec +func sigaddset(mask *sigset, i int) { + (*mask)[(i-1)/32] |= 1 << ((uint32(i) - 1) & 31) +} + +func sigdelset(mask *sigset, i int) { + (*mask)[(i-1)/32] &^= 1 << ((uint32(i) - 1) & 31) +} + +//go:nosplit +func sigfillset(mask *uint64) { + *mask = ^uint64(0) +} |