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wasi: Implements wasi_snapshot_preview1.poll_oneoff for relative clock events (#629)

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This implements wasi_snapshot_preview1.poll_oneoff for relative clock events,
and in doing so stubs `Nanosleep` which defaults to noop, but can be configured
to `time.Sleep`.

Signed-off-by: Adrian Cole <adrian@tetrate.io>
This commit is contained in:
Crypt Keeper
2022-06-17 16:48:35 +08:00
committed by GitHub
parent cd00799b57
commit 30be6a8e2a
21 changed files with 1171 additions and 718 deletions
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36
config_test.go
View File

@@ -325,6 +325,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
nil, // openedFiles
),
},
@@ -341,7 +342,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
nil, // openedFiles
),
},
@@ -358,7 +359,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
nil, // openedFiles
),
},
@@ -375,7 +376,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
nil, // openedFiles
),
},
@@ -392,7 +393,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
nil, // openedFiles
),
},
@@ -409,6 +410,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
nil, // openedFiles
),
},
@@ -425,7 +427,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
nil, // openedFiles
),
},
@@ -442,7 +444,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
nil, // openedFiles
),
},
@@ -459,7 +461,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
nil, // openedFiles
),
},
@@ -476,7 +478,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
map[uint32]*internalsys.FileEntry{ // openedFiles
3: {Path: "/", FS: testFS},
4: {Path: ".", FS: testFS},
@@ -496,6 +498,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
map[uint32]*internalsys.FileEntry{ // openedFiles
3: {Path: "/", FS: testFS2},
4: {Path: ".", FS: testFS2},
@@ -515,6 +518,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
map[uint32]*internalsys.FileEntry{ // openedFiles
3: {Path: ".", FS: testFS},
},
@@ -533,6 +537,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
map[uint32]*internalsys.FileEntry{ // openedFiles
3: {Path: "/", FS: testFS},
4: {Path: ".", FS: testFS2},
@@ -552,6 +557,7 @@ func TestModuleConfig_toSysContext(t *testing.T) {
nil, // randSource
&wt, 1, // walltime, walltimeResolution
&nt, 1, // nanotime, nanotimeResolution
nil, // nanosleep
map[uint32]*internalsys.FileEntry{ // openedFiles
3: {Path: ".", FS: testFS},
4: {Path: "/", FS: testFS2},
@@ -715,6 +721,18 @@ func TestModuleConfig_toSysContext_WithNanotime(t *testing.T) {
})
}
// TestModuleConfig_toSysContext_WithNanosleep has to test differently because
// we can't compare function pointers when functions are passed by value.
func TestModuleConfig_toSysContext_WithNanosleep(t *testing.T) {
sysCtx, err := NewModuleConfig().
WithNanosleep(func(ctx context.Context, ns int64) {
require.Equal(t, testCtx, ctx)
}).(*moduleConfig).toSysContext()
require.NoError(t, err)
// If below pass, the context was correct!
sysCtx.Nanosleep(testCtx, 2)
}
func TestModuleConfig_toSysContext_Errors(t *testing.T) {
tests := []struct {
name string
@@ -820,6 +838,7 @@ func requireSysContext(
randSource io.Reader,
walltime *sys.Walltime, walltimeResolution sys.ClockResolution,
nanotime *sys.Nanotime, nanotimeResolution sys.ClockResolution,
nanosleep *sys.Nanosleep,
openedFiles map[uint32]*internalsys.FileEntry,
) *internalsys.Context {
sysCtx, err := internalsys.NewContext(
@@ -832,6 +851,7 @@ func requireSysContext(
randSource,
walltime, walltimeResolution,
nanotime, nanotimeResolution,
nanosleep,
openedFiles,
)
require.NoError(t, err)