| author |  Jakub Konka <kubkon@jakubkonka.com> 2022-12-11 14:40:27+01:00 |
| committer | Jakub Konka <kubkon@jakubkonka.com> 2022-12-11 14:40:27+01:00 |
| log | 2a65971eb07e649ae8072c274a5a8817b0e1ca1e |
| tree | abac4084b4cbcec6ffa3655370512bd4c7ce09a0 |
| parent | 35e3069ab7af0a5fd65c5fe8e35b01458dbcb132 |
darwin: wrap allocating and deallocating mach ports for a task
2 files changed, 41 insertions(+), 1 deletions(-)
lib- std
lib/std/c/darwin.zig+21-1
| ... | ... | @@ -164,6 +164,21 @@ pub const mach_vm_address_t = usize; |
| 164 | 164 | pub const vm_offset_t = usize; |
| 165 | 165 | pub const mach_vm_size_t = u64; |
| 166 | 166 | pub const mach_msg_type_number_t = natural_t; |
| 167 | pub const mach_port_right_t = natural_t; | |
| 168 | pub const ipc_space_t = mach_port_t; | |
| 169 | pub const ipc_space_port_t = ipc_space_t; | |
| 170 | ||
| 171 | pub const MACH_PORT_RIGHT = enum(mach_port_right_t) { | |
| 172 | SEND = 0, | |
| 173 | RECEIVE = 1, | |
| 174 | SEND_ONCE = 2, | |
| 175 | PORT_SET = 3, | |
| 176 | DEAD_NAME = 4, | |
| 177 | /// Obsolete right | |
| 178 | LABELH = 5, | |
| 179 | /// Right not implemented | |
| 180 | NUMBER = 6, | |
| 181 | }; | |
| 167 | 182 | |
| 168 | 183 | extern "c" var mach_task_self_: mach_port_t; |
| 169 | 184 | pub fn mach_task_self() callconv(.C) mach_port_t { |
| ... | ... | @@ -506,7 +521,12 @@ pub extern "c" fn mach_vm_protect( |
| 506 | 521 | new_protection: vm_prot_t, |
| 507 | 522 | ) kern_return_t; |
| 508 | 523 | |
| 509 | pub extern "c" fn mach_port_deallocate(target_tport: mach_port_name_t, task: mach_port_name_t) kern_return_t; | |
| 524 | pub extern "c" fn mach_port_allocate( | |
| 525 | task: ipc_space_t, | |
| 526 | right: mach_port_right_t, | |
| 527 | name: *mach_port_name_t, | |
| 528 | ) kern_return_t; | |
| 529 | pub extern "c" fn mach_port_deallocate(task: ipc_space_t, name: mach_port_name_t) kern_return_t; | |
| 510 | 530 | |
| 511 | 531 | pub extern "c" fn task_info( |
| 512 | 532 | target_task: task_name_t, |
lib/std/os/darwin.zig+20
| ... | ... | @@ -24,6 +24,26 @@ const mach_task = if (builtin.target.isDarwin()) struct { |
| 24 | 24 | return self.port != 0; |
| 25 | 25 | } |
| 26 | 26 | |
| 27 | pub fn allocatePort(self: MachTask, right: std.c.MACH_PORT_RIGHT) MachError!MachTask { | |
| 28 | var out_port: std.c.mach_port_name_t = undefined; | |
| 29 | switch (std.c.getKernError(std.c.mach_port_allocate( | |
| 30 | self.port, | |
| 31 | @enumToInt(right), | |
| 32 | &out_port, | |
| 33 | ))) { | |
| 34 | .SUCCESS => return .{ .port = out_port }, | |
| 35 | .FAILURE => return error.PermissionDenied, | |
| 36 | else => |err| { | |
| 37 | log.err("mach_task_allocate kernel call failed with error code: {s}", .{@tagName(err)}); | |
| 38 | return error.Unexpected; | |
| 39 | }, | |
| 40 | } | |
| 41 | } | |
| 42 | ||
| 43 | pub fn deallocatePort(self: MachTask, port: MachTask) void { | |
| 44 | _ = std.c.getKernError(std.c.mach_port_deallocate(self.port, port.port)); | |
| 45 | } | |
| 46 | ||
| 27 | 47 | pub const RegionInfo = struct { |
| 28 | 48 | pub const Tag = enum { |
| 29 | 49 | basic, |