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std: add CreateEvent for windows

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daurnimator 2019-11-19 16:38:23 +11:00
parent 78c0d33eb7
commit b05a5a3e52
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3 changed files with 30 additions and 0 deletions
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16
lib/std/os/windows.zig
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@ -97,6 +97,22 @@ pub fn CreatePipe(rd: *HANDLE, wr: *HANDLE, sattr: *const SECURITY_ATTRIBUTES) C
}
}
pub fn CreateEventEx(attributes: ?*SECURITY_ATTRIBUTES, name: []const u8, flags: DWORD, desired_access: DWORD) !HANDLE {
const nameW = try sliceToPrefixedFileW(name);
return CreateEventExW(attributes, &nameW, flags, desired_access);
}
pub fn CreateEventExW(attributes: ?*SECURITY_ATTRIBUTES, nameW: [*:0]const u16, flags: DWORD, desired_access: DWORD) !HANDLE {
const handle = kernel32.CreateEventExW(attributes, nameW, flags, desired_access);
if (handle) |h| {
return h;
} else {
switch (kernel32.GetLastError()) {
else => |err| return unexpectedError(err),
}
}
}
pub fn DeviceIoControl(
h: HANDLE,
ioControlCode: DWORD,

7
lib/std/os/windows/bits.zig
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@ -489,6 +489,13 @@ pub const FILE_ATTRIBUTE_SYSTEM = 0x4;
pub const FILE_ATTRIBUTE_TEMPORARY = 0x100;
pub const FILE_ATTRIBUTE_VIRTUAL = 0x10000;
// flags for CreateEvent
pub const CREATE_EVENT_INITIAL_SET = 0x00000002;
pub const CREATE_EVENT_MANUAL_RESET = 0x00000001;
pub const EVENT_ALL_ACCESS = 0x1F0003;
pub const EVENT_MODIFY_STATE = 0x0002;
pub const PROCESS_INFORMATION = extern struct {
hProcess: HANDLE,
hThread: HANDLE,

7
lib/std/os/windows/kernel32.zig
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@ -9,6 +9,13 @@ pub extern "kernel32" stdcallcc fn CloseHandle(hObject: HANDLE) BOOL;
pub extern "kernel32" stdcallcc fn CreateDirectoryW(lpPathName: [*]const u16, lpSecurityAttributes: ?*SECURITY_ATTRIBUTES) BOOL;
pub extern "kernel32" stdcallcc fn CreateEventExW(
lpEventAttributes: ?*SECURITY_ATTRIBUTES,
lpName: [*:0]const u16,
dwFlags: DWORD,
dwDesiredAccess: DWORD,
) ?HANDLE;
pub extern "kernel32" stdcallcc fn CreateFileW(
lpFileName: [*]const u16, // TODO null terminated pointer type
dwDesiredAccess: DWORD,