зеркало из https://github.com/mozilla/gecko-dev.git
169 строки
3.5 KiB
JavaScript
169 строки
3.5 KiB
JavaScript
/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* vim: set sts=2 sw=2 et tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/* exported libc */
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// This file is loaded into the same scope as subprocess_unix.jsm
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/* import-globals-from subprocess_unix.jsm */
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const LIBC = OS.Constants.libc;
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const LIBC_CHOICES = ["libc.so", "libSystem.B.dylib", "a.out"];
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const unix = {
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pid_t: ctypes.int32_t,
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pollfd: new ctypes.StructType("pollfd", [
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{"fd": ctypes.int},
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{"events": ctypes.short},
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{"revents": ctypes.short},
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]),
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posix_spawn_file_actions_t: ctypes.uint8_t.array(
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LIBC.OSFILE_SIZEOF_POSIX_SPAWN_FILE_ACTIONS_T),
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WEXITSTATUS(status) {
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return (status >> 8) & 0xff;
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},
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WTERMSIG(status) {
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return status & 0x7f;
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},
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};
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var libc = new Library("libc", LIBC_CHOICES, {
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environ: [ctypes.char.ptr.ptr],
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// Darwin-only.
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_NSGetEnviron: [
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ctypes.default_abi,
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ctypes.char.ptr.ptr.ptr,
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],
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setenv: [
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ctypes.default_abi,
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ctypes.int,
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ctypes.char.ptr,
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ctypes.char.ptr,
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ctypes.int,
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],
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chdir: [
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ctypes.default_abi,
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ctypes.int,
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ctypes.char.ptr, /* path */
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],
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close: [
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ctypes.default_abi,
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ctypes.int,
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ctypes.int, /* fildes */
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],
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fcntl: [
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ctypes.default_abi,
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ctypes.int,
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ctypes.int, /* fildes */
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ctypes.int, /* cmd */
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ctypes.int, /* ... */
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],
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getcwd: [
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ctypes.default_abi,
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ctypes.char.ptr,
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ctypes.char.ptr, /* buf */
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ctypes.size_t, /* size */
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],
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kill: [
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ctypes.default_abi,
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ctypes.int,
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unix.pid_t, /* pid */
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ctypes.int, /* signal */
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],
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pipe: [
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ctypes.default_abi,
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ctypes.int,
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ctypes.int.array(2), /* pipefd */
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],
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poll: [
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ctypes.default_abi,
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ctypes.int,
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unix.pollfd.array(), /* fds */
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ctypes.unsigned_int, /* nfds */
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ctypes.int, /* timeout */
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],
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posix_spawn: [
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ctypes.default_abi,
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ctypes.int,
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unix.pid_t.ptr, /* pid */
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ctypes.char.ptr, /* path */
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unix.posix_spawn_file_actions_t.ptr, /* file_actions */
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ctypes.voidptr_t, /* attrp */
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ctypes.char.ptr.ptr, /* argv */
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ctypes.char.ptr.ptr, /* envp */
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],
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posix_spawn_file_actions_addclose: [
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ctypes.default_abi,
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ctypes.int,
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unix.posix_spawn_file_actions_t.ptr, /* file_actions */
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ctypes.int, /* fildes */
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],
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posix_spawn_file_actions_adddup2: [
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ctypes.default_abi,
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ctypes.int,
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unix.posix_spawn_file_actions_t.ptr, /* file_actions */
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ctypes.int, /* fildes */
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ctypes.int, /* newfildes */
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],
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posix_spawn_file_actions_destroy: [
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ctypes.default_abi,
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ctypes.int,
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unix.posix_spawn_file_actions_t.ptr, /* file_actions */
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],
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posix_spawn_file_actions_init: [
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ctypes.default_abi,
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ctypes.int,
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unix.posix_spawn_file_actions_t.ptr, /* file_actions */
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],
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read: [
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ctypes.default_abi,
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ctypes.ssize_t,
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ctypes.int, /* fildes */
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ctypes.char.ptr, /* buf */
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ctypes.size_t, /* nbyte */
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],
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waitpid: [
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ctypes.default_abi,
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unix.pid_t,
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unix.pid_t, /* pid */
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ctypes.int.ptr, /* status */
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ctypes.int, /* options */
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],
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write: [
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ctypes.default_abi,
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ctypes.ssize_t,
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ctypes.int, /* fildes */
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ctypes.char.ptr, /* buf */
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ctypes.size_t, /* nbyte */
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],
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});
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unix.Fd = function(fd) {
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return ctypes.CDataFinalizer(ctypes.int(fd), libc.close);
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};
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