Follow CL 146020 and enable RemoveAll based on Unlinkat and Openat on
freebsd.
Since the layout of syscall.Stat_t changes in FreeBSD 12, Fstatat needs
a compatibility wrapper akin to Fstatat in x/sys/unix. See CL 138595 and
CL 136816 for details.
Updates #27029
Change-Id: I8851a5b7fa658eaa6e69a1693150b16d9a68f36a
Reviewed-on: https://go-review.googlesource.com/c/146597
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
Truthy returns the JavaScript "truthiness" of the given value. In
JavaScript, false, 0, "", null, undefined, and NaN are "falsy", and
everything else is "truthy".
Fixes#28264
Change-Id: I4586f98646c05a4147d06a7c4a5d9c61d956fc83
GitHub-Last-Rev: 649b353ebc
GitHub-Pull-Request: golang/go#28358
Reviewed-on: https://go-review.googlesource.com/c/144384
Reviewed-by: Richard Musiol <neelance@gmail.com>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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On AIX, sys.Pgid must be a int32 and not a int64 as on Solaris for ioctl
syscall.
Pid_t type can be used to provide the same code in both OS. But pid_t
must be added to ztypes_solaris_amd64.go.
Change-Id: I1dbe57f099f9e5ac9491aaf246a521137eea5014
Reviewed-on: https://go-review.googlesource.com/c/144539
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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The Callback and TypedArray are the only JavaScript types supported by
the library, thus they are special-cased in a type switch of ValueOf.
Instead, a Ref interface is defined to allow external wrapper types
to be handled properly by ValueOf.
Change-Id: I03240ba7ec46979336b88389a70b7bcac37fc715
GitHub-Last-Rev: c8cf08d8cc
GitHub-Pull-Request: golang/go#28181
Reviewed-on: https://go-review.googlesource.com/c/141644
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make fixedSize, oldFixedSize constants.
use st instead of stat for function arg so that we do not shadow the stat() function.
dstPos+reclen == len(buf) is a valid write location, update the break condition.
Change-Id: I55f9210f54d24a3f9cda1ebab52437436254f8f4
Reviewed-on: https://go-review.googlesource.com/c/143637
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This commit changes the encoding of js.Value so that the zero js.Value
represents the JavaScript value "undefined". This is what users
intuitively expect.
Specifically, the encodings of "undefined" and the number zero have
been swapped.
Fixes#27592.
Change-Id: Icfc832c8cdf7a8a78bd69d20e00a04dbed0ccd10
Reviewed-on: https://go-review.googlesource.com/c/143137
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We weren't writing a terminating NUL after dstDirent.Namlen bytes of dstDirent.Name.
And we weren't filling the possible additional bytes until dstDirent.Reclen.
Fixes#28131
Change-Id: Id691c25225795c0dbb0d7004bfca7bb7fc706de9
Reviewed-on: https://go-review.googlesource.com/c/141297
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These marker comments are in every other zsyscall_*.go file generated by
mksyscall.pl. Also add them to the files generated by mksyscall_libc.pl
used for aix and solaris.
Change-Id: I7fd125df3549d83c658bbe7424861c76c024f2e5
Reviewed-on: https://go-review.googlesource.com/c/141037
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This commit adds AIX operating system to syscall package for ppc64
architecture.
It also adds the file syscall_aix.go in the runtime package for
syscalls needed during fork and exec.
Updates: #25893
Change-Id: I301b1051b178a3efb7bbc39cdbd8e00b594d65ef
Reviewed-on: https://go-review.googlesource.com/c/138720
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AIX and Solaris both requires libc to make any syscalls and their
implementation is really similar.
Therefore, Solaris files reused by AIX have their name changed to *_libc.
exec_libc.go is also adapted to AIX.
Updates: #25893
Change-Id: I50d1d7b964831637013d5e64799187cd9565c42b
Reviewed-on: https://go-review.googlesource.com/c/138719
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This is similar to CL 136816 for x/sys/unix, changing the FreeBSD ABI to use 64-bit inodes in
Stat_t, Statfs_t, and Dirent types.
The changes are forward compatible, that is FreeBSD 10.x, 11.x continue to use their current sysnum numbers.
The affected types are converted to the new layout (with some overhead).
Thus the same statically linked binary should work using the native sysnums (without any conversion) on FreeBSD 12.
Breaking API changes in package syscall are:
Mknod takes a uint64 (C dev_t) instead of int.
Stat_t: Dev, Ino, Nlink, Rdev, Gen became uint64.
Atimespec, Mtimespec, Ctimespec, Birthtimespec renamed to Atim, Mtim, Ctim, Birthtim respectively.
Statfs_t: Mntonname and Mntfromname changed from [88]int8 to [1024]int8 arrays.
Dirent: Fileno became uint64, Namlen uint16 and an additional field Off int64 (currently unused) was added.
The following commands were run to generate ztypes_* and zsyscall_* on FreeBSD-12.0-ALPHA6 systems (GOARCH=386 were run on the same amd64 host):
GOOS=freebsd GOARCH=amd64 ./mksyscall.pl -tags freebsd,amd64 syscall_bsd.go syscall_freebsd.go syscall_freebsd_amd64.go |gofmt >zsyscall_freebsd_amd64.go
GOOS=freebsd GOARCH=amd64 go tool cgo -godefs types_freebsd.go | GOOS=freebsd GOARCH=amd64 go run mkpost.go >ztypes_freebsd_amd64.go
GOOS=freebsd GOARCH=386 ./mksyscall.pl -l32 -tags freebsd,386 syscall_bsd.go syscall_freebsd.go syscall_freebsd_386.go |gofmt >zsyscall_freebsd_386.go
GOOS=freebsd GOARCH=386 go tool cgo -godefs types_freebsd.go | GOOS=freebsd GOARCH=386 go run mkpost.go >ztypes_freebsd_386.go
GOOS=freebsd GOARCH=arm ./mksyscall.pl -l32 -arm -tags freebsd,arm syscall_bsd.go syscall_freebsd.go syscall_freebsd_arm.go |gofmt >zsyscall_freebsd_arm.go
GOOS=freebsd GOARCH=arm go tool cgo -godefs -- -fsigned-char types_freebsd.go | GOOS=freebsd GOARCH=arm go run mkpost.go >ztypes_freebsd_arm.go
The Kevent struct was changed to use the FREEBSD_COMPAT11 version always (requiring the COMPAT_FREEBSD11 kernel option FreeBSD-12, this is the default).
The definitions of ifData were not updated, their functionality in has have been replaced by vendored golang.org/x/net/route.
freebsdVersion initialization was dropped from init() in favor of a sync.Once based wrapper - supportsABI().
Updates #22448.
Change-Id: I359b756e2849c036d7ed7f75dbd6ec836e0b90b4
Reviewed-on: https://go-review.googlesource.com/c/138595
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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This commit makes syscall on js/wasm use the asynchronous variants
of functions in Node.js' fs module. This enables concurrency
and allows the API of the fs module to be implemented with an
alternative backend that only supports asynchronous operations.
Updates #26051.
Change-Id: Ibe1dcc988469fc11c3b8d8d49de439c12ddaafce
Reviewed-on: https://go-review.googlesource.com/c/137236
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Don't worry, this patch just remove trailing whitespace from
assembly files, and does not touch any logical changes.
Change-Id: Ia724ac0b1abf8bc1e41454bdc79289ef317c165d
Reviewed-on: https://go-review.googlesource.com/c/113595
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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Implement Lstat with fstatat and Lchown with Fchownat on
linux/amd64, linux/arm and linux/386. Furthermore, implement Stat
with fstatat on linux/arm and linux/386. Linux/arm64 already had
similar replacements.
The fstatat and fchownat system calls were added in kernel 2.6.16,
which is before the Go minimum, 2.6.23.
The three syscalls then match the android bionic implementation
and avoids the Android O seccomp filter.
Fixes#27797
Change-Id: I07fd5506955d454a1a660fef5af0e1ac1ecb0959
Reviewed-on: https://go-review.googlesource.com/136795
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Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Check the size of uintptr instead of listing GOARCHes explicitly. This
will make the test also run on linux/mips{,le}.
Change-Id: I649f15d293002afc1360b1913910202c3e5188b7
Reviewed-on: https://go-review.googlesource.com/135715
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On linux/ppc64{,le} the SYS_SYNC_FILE_RANGE2 syscall is used to
implement SyncFileRange. This syscall has a different argument order
than SYS_SYNC_FILE_RANGE. Apart from that the implementations of both
syscalls are the same, so use a simple wrapper to invoke the syscall
with the correct argument order.
For context see:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=edd5cd4a9424f22b0fa08bef5e299d41befd5622
Updates #27485
Change-Id: Ib94fb98376bf6c879df6f1b68c3bdd11ebcb5a44
Reviewed-on: https://go-review.googlesource.com/133195
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The system call geteuid can not work properly on android, which
causes a test case failed on rooted android/arm.
This CL disables the test case on android.
Fixes#27364
Change-Id: Ibfd33ef8cc1dfe8822c8be4280eae12ee30929c1
Reviewed-on: https://go-review.googlesource.com/132175
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Lookup is not supported on android, and the test
syscall/exec_linux_test.go which relies on it will fail on
android/arm64.
Fixes#27327
Change-Id: I6fdb8992d4634ac7e3689360ff114e9431b5e90c
Reviewed-on: https://go-review.googlesource.com/131995
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Follow the implementation used by the other BSDs ith os.Pipe and
syscall.forkExecPipe consisting of a single syscall instead of three.
Change-Id: I602187672f244cbd8faaa3397904d71d15452d9f
Reviewed-on: https://go-review.googlesource.com/130996
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As reported in #26650 and also cautioned on the man page
for fsync on OS X, fsync doesn't properly flush content
to permanent storage, and might cause corruption of data if
the OS crashes or if the drive loses power. Thus it is recommended
to use the F_FULLFSYNC fcntl, which flushes all buffered data to
permanent storage and is important for applications such as
databases that require a strict ordering of writes.
Also added a note in syscall_darwin.go that syscall.Fsync is
not invoked for os.File.Sync.
Fixes#26650.
Change-Id: Idecd9adbbdd640b9c5b02e73b60ed254c98b48b6
Reviewed-on: https://go-review.googlesource.com/130676
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As discussed in CL 126621, these constants are already defined on Linux,
Darwin, FreeBSD and NetBSD. In order to ensure portability of existing
code using the syscall package, provide them for Solaris as well.
Change-Id: Id49f6991f36775b152b9c47b9923cd0a08053bcb
Reviewed-on: https://go-review.googlesource.com/130356
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As discussed in CL 126621, these constants are already defined on Linux,
Darwin, FreeBSD and NetBSD. In order to ensure portability of existing
code using the syscall package, provide them for OpenBSD (and
DragonflyBSD, in a separate CL) as well.
Change-Id: Ia9e07cb01f989d144a620d268daa8ec946788861
Reviewed-on: https://go-review.googlesource.com/130336
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As discussed in CL 126621, these constants are already defined on Linux,
Darwin, FreeBSD and NetBSD. In order to ensure portability of existing
code using the syscall package, provide them for DragonflyBSD (and
OpenBSD, in a separate CL) as well.
Change-Id: I708c60f75f787a410bdfa4ceebd2825874e92511
Reviewed-on: https://go-review.googlesource.com/130335
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Port CL 120295 from golang.org/x/sys/unix to the syscall package.
The ustat syscall has been deprecated on Linux for a long time and the
upcoming glibc 2.28 will remove ustat.h and it can no longer be used to
to generate the Ustat_t wrapper type. Since Linux still provides the
syscall, let's not break this functionality and add a private copy of
struct ustat so Ustat_t can still be generated.
Fixesgolang/go#25990
Change-Id: I0dab2ba1cc76fbd21553b499f9256fd9d59ca409
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This commits adds []interface{} and map[string]interface{} as quick
ways to create JavaScript arrays and objects. They correspond to the
JavaScript notations [...] and {...}. A type alias can be used for
a concise notation.
Change-Id: I98bb08dbef1e0f3bd3d65c732d6b09e1520026ba
Reviewed-on: https://go-review.googlesource.com/126855
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
When using the compiled .wasm with misc/wasm/wasm_exec.js, we get an error message if the site prohibits eval() via the Content-Security-Policy header. This can be resolved by moving the callback helper code from src/syscall/js/callback.go to misc/wasm/wasm_exec.js.
Fixes#26748
Change-Id: I28f271b8a00631f4c66a1ac31305e85f20f9d420
GitHub-Last-Rev: a6a0268f38
GitHub-Pull-Request: golang/go#26750
Reviewed-on: https://go-review.googlesource.com/127296
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit removes O_NONBLOCK on js/wasm. O_SYNC can't be
removed, because it is referenced by the os package, so instead
its use returns an error.
On Windows, the options O_NONBLOCK and O_SYNC are not available
when opening a file with Node.js. This caused the initialization
of the syscall package to panic.
The simplest solution is to not support these two options on js/wasm
at all. Code written for js/wasm is supposed to be portable,
so platform-specific options should not be used.
Fixes#26524.
Change-Id: I366aa3cdcfa59dfa9dc513368259f363ca090f00
Reviewed-on: https://go-review.googlesource.com/126600
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This commit moves the documentation about how Go values are mapped to
JavaScript values to the functions that apply the mapping, instead of
mentioning them in the documentation of the types being mapped. This
should be easier to read.
Change-Id: I2465eb4a45f71b3b61624349e908a195010a09f1
Reviewed-on: https://go-review.googlesource.com/126856
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
The Linux kernel faccessat system call does not take a flags parameter.
The flag parameter to the C library faccessat function is implemented in C.
The syscall.Faccessat function takes a flags parameter. In older releases
we have passed the flags parameter to the kernel, which ignored it.
In CL 120015 we started returning an error if any flags were set.
That seems clearly better than ignoring them, but it turns out that some
code was using the flags. The code was previously subtly broken.
Now it is obviously broken. That is better, but we can do better still:
we can implement the flags as the C library does. That is what this CL does.
Change-Id: I259bd6f240c3951e939b81c3032dead3d9c567b4
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Change the Pipe() function to use the pipe() syscall (which has a unique
calling convention on linux/mips) instead of using pipe2(). This allows
it work on kernels <2.6.27 when pipe2() was introduced.
Change-Id: I65dfbd2a02b64e777a8eb13013d718e356521be6
GitHub-Last-Rev: c483a06168
GitHub-Pull-Request: golang/go#26608
Reviewed-on: https://go-review.googlesource.com/125915
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Reviewed-by: Vladimir Stefanovic <vladimir.stefanovic@mips.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
When using callbacks, it is not necessarily a deadlock if there is no
runnable goroutine, since a callback might still be pending. If there
is no callback pending, Node.js simply exits with exit code zero,
which is not desired if the Go program is still considered running.
This is why an explicit check on exit is used to trigger the "deadlock"
error. This CL makes it so this is Go's normal "deadlock" error, which
includes the stack traces of all goroutines.
Updates #26382
Change-Id: If88486684d0517a64f570009a5ea0ad082679a54
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API compatibility violation, but it wasn't safe before and people
should be using golang.org/x/sys/windows instead.
Fixes#24820
Change-Id: I3b43493f56b3116924b9d848a294899279f314fd
Reviewed-on: https://go-review.googlesource.com/123455
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Reviewed-by: Ian Lance Taylor <iant@golang.org>
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This commit adds the actual type to the panic message when calling
a method of Value on a Value with a bad type. It also adds better
panic messages to Value.Invoke and Value.Call.
Change-Id: Ic4b3aa29d3bef8e357be40cd07664ad602ffab12
Reviewed-on: https://go-review.googlesource.com/122376
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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This commits adds Value.Type(), which returns the JavaScript type of
a Value.
The implementation uses two previously unused bits of the NaN payload
to encode type information.
Change-Id: I568609569983791d50d35b8d80c44f3472203511
Reviewed-on: https://go-review.googlesource.com/122375
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Currently we use a globally unique symbol property on objects that get
passed from JavaScript to Go to store a unique ID that Go then uses when
referring back to the JavaScript object (via js.Value.ref). This
approach fails however when a JavaScript object cannot be modified, i.e.
cannot have new properties added or is frozen. The test that is added as
part of this commit currently fails with:
Cannot add property Symbol(), object is not extensible
Instead we consolidate the string, symbol and object unique ID mapping
into a single map. Map key equality is determined via strict equality,
which is the semantic we want in this situation.
Change-Id: Ieb2b50fc36d3c30e148aa7a41557f3c59cd33766
Reviewed-on: https://go-review.googlesource.com/121799
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For each Javascript object that returns to Go as a js.Value, we
associate the ref id to it. But if this ref id is copied or
inherited to other object, it would mess up the ref-object
mapping.
In storeValue, make sure the object is indeed the one we are
storing. Otherwise allocate a new ref id.
Fixes#26143.
Change-Id: Ie60bb2f8d1533da1bbe6f46045866515ec2af5a9
Reviewed-on: https://go-review.googlesource.com/121835
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This makes Callback more in line with TypedArray. The name "Release" is
better than "Close" because the function does not implement io.Closer.
Change-Id: I23829a14b1c969ceb04608afd9505fd5b4b0df2e
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The new function js.TypedArrayOf returns a JavaScript typed array for
a given slice.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Typed_arrays
This change also changes js.ValueOf to not accept a []byte any more.
Fixes#25532.
Change-Id: I8c7bc98ca4e21c3514d19eee7a1f92388d74ab2a
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This commit changes how JavaScript values are referenced by Go code.
After this change, a JavaScript value is always represented by the same
ref, even if passed multiple times from JavaScript to Go. This allows
Go's == operator to work as expected on js.Value (strict equality).
Additionally, the performance of some operations of the syscall/js
package got improved by saving additional roundtrips to JavaScript code.
Fixes#25802.
Change-Id: Ide6ffe66c6aa1caf5327a2d3ddbe48fe7c180461
Reviewed-on: https://go-review.googlesource.com/120561
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
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Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
