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| author | Michael Pratt <mpratt@google.com> | 2018-12-07 16:27:35 -0800 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2018-12-07 16:28:54 -0800 |
| commit | 42e2e5cae9b035a62bdbf492ad4a1e9d016c5830 (patch) | |
| tree | b6310eddeebd511f06442bb626c35074fe31961b /pkg/abi/flag.go | |
| parent | 673949048e84aed6cf7d6ccc4e93bfc0c3855c61 (diff) | |
Format sigaction in strace
Sample:
I1206 14:24:56.768520 3700 x:0] [ 1] ioctl_test E rt_sigaction(SIGSEGV, 0x7ee6edb0c590 {Handler: 0x559c6d915cf0, Flags: SA_SIGINFO|SA_RESTORER|SA_ONSTACK|SA_NODEFER, Restorer: 0x2a9901a259a0, Mask: []}, 0x7ee6edb0c630)
I1206 14:24:56.768530 3700 x:0] [ 1] ioctl_test X rt_sigaction(SIGSEGV, 0x7ee6edb0c590 {Handler: 0x559c6d915cf0, Flags: SA_SIGINFO|SA_RESTORER|SA_ONSTACK|SA_NODEFER, Restorer: 0x2a9901a259a0, Mask: []}, 0x7ee6edb0c630 {Handler: SIG_DFL, Flags: 0x0, Restorer: 0x0, Mask: []}) = 0x0 (2.701?s)
PiperOrigin-RevId: 224596606
Change-Id: I3512493aed99d3d75600249263da46686b1dc0e7
Diffstat (limited to 'pkg/abi/flag.go')
| -rw-r--r-- | pkg/abi/flag.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/abi/flag.go b/pkg/abi/flag.go index ec87c9cee..b48757da8 100644 --- a/pkg/abi/flag.go +++ b/pkg/abi/flag.go @@ -43,6 +43,11 @@ func (s FlagSet) Parse(val uint64) string { flags = append(flags, "0x"+strconv.FormatUint(val, 16)) } + if len(flags) == 0 { + // Prefer 0 to an empty string. + return "0x0" + } + return strings.Join(flags, "|") } |