stuff2

include/zinnia/futex.h

@@ -3,6 +3,7 @@
 
 #include <zinnia/status.h>
 #include <zinnia/syscall_stubs.h>
+#include <stdint.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -10,12 +11,12 @@ extern "C" {
 
 // Blocks the calling thread if *addr == expected.
 // Returns immediately if the value at addr has changed.
-static inline zn_status_t zn_futex_wait(int* addr, int expected) {
+static inline zn_status_t zn_futex_wait(int32_t* addr, int32_t expected) {
     return zn_syscall2(addr, expected, ZN_SYSCALL_FUTEX_WAIT);
 }
 
 // Wakes up to `count` threads waiting on the given futex address.
-static inline zn_status_t zn_futex_wake(int* addr, int count) {
+static inline zn_status_t zn_futex_wake(int32_t* addr, int32_t count) {
     return zn_syscall2(addr, count, ZN_SYSCALL_FUTEX_WAKE);
 }
 

include/zinnia/handle.h

@@ -24,9 +24,8 @@ static inline zn_status_t zn_handle_validate(zn_handle_t handle) {
     return zn_syscall1(handle, ZN_SYSCALL_HANDLE_VALIDATE);
 }
 
-// Drops an object handle.
-// All further references using this handle are invalid. The numerical value
-// may become valid again, but it is an error to keep using it.
+// Drops an object handle. All further references using this handle are invalid.
+// The numerical value may become valid again, but it is an error to keep using it.
 // The underlying object gets freed only once no other handle references it.
 static inline zn_status_t zn_handle_drop(zn_handle_t handle) {
     return zn_syscall1(handle, ZN_SYSCALL_HANDLE_DROP);

include/zinnia/ipc.h

@@ -0,0 +1,26 @@
+#ifndef ZINNIA_IPC_H
+#define ZINNIA_IPC_H
+
+#include <zinnia/handle.h>
+#include <zinnia/rights.h>
+#include <zinnia/status.h>
+#include <zinnia/syscall_stubs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// Defines an IPC window.
+struct zn_ipcw {
+    zn_handle_t handles[16];
+};
+
+static inline zn_status_t zn_ipcw_init(struct zn_ipcw** ipcw) {
+    return ZN_ERR_UNSUPPORTED;
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

include/zinnia/ipc/init.h

@@ -1,46 +0,0 @@
-#pragma once
-
-#include <zinnia/handle.h>
-#include <stddef.h>
-#include <stdint.h>
-
-#define IPC_GET_STRING(data, str, buf) \
-    do { \
-        memcpy(buf, (data) + (str)->offset, (str)->len); \
-    } while (0)
-
-#define IPC_SET_STRING(cursor, data, field, string) \
-    do { \
-        const size_t _len = strlen(string); \
-        (field)->offset = cursor; \
-        (field)->len = _len; \
-        memcpy(data + cursor, string, _len); \
-        cursor += _len; \
-    } while (0)
-
-enum ipc_msg_id {
-    IPC_MSG_FOO,
-    IPC_MSG_BAR,
-    IPC_MSG_BAZ,
-};
-
-struct ipc_array {
-    uint16_t offset;
-    uint16_t len;
-};
-
-struct ipc_option {
-    uint16_t offset;
-};
-
-struct ipc_init_register_rq {
-    enum ipc_msg_id id;
-    struct ipc_array name;
-    char data[];
-};
-
-struct ipc_kernel_msg {
-    enum ipc_msg_id id;
-    struct ipc_array name;
-    char data[];
-};

include/zinnia/mem.h

@@ -25,7 +25,7 @@ enum zn_vm_flags {
     // Map at a fixed address, replacing whatever is in the way.
     ZN_VM_MAP_FIXED = 1 << 8,
     // Map at a fixed address, failing if anything is in the way.
-    ZB_VM_MAP_FIXED_NOREPLACE = 1 << 9,
+    ZN_VM_MAP_FIXED_NOREPLACE = 1 << 9,
     // Map the entire range immediately.
     ZN_VM_MAP_POPULATE = 1 << 10,
 };

include/zinnia/namespace.h

@@ -13,7 +13,9 @@ static inline zn_status_t zn_ns_create(zn_handle_t* out) {
     return ZN_ERR_UNSUPPORTED;
 }
 
-static inline zn_status_t zn_ns_move(zn_handle_t handle, zn_handle_t target_namespace) {
+// Moves a handle to another namespace.
+// The handle must have the `ZN_RIGHT_MOVE` right.
+static inline zn_status_t zn_ns_move(zn_handle_t handle, zn_handle_t target_ns) {
     return ZN_ERR_UNSUPPORTED;
 }