Move IPC stuff from the libc side, inside the sys folder.

mentos/src/io/proc_ipc.c

@@ -3,15 +3,15 @@
 /// @copyright (c) 2014-2022 This file is distributed under the MIT License.
 /// See LICENSE.md for details.
 
-#include "fs/procfs.h"
 #include "process/process.h"
 #include "sys/errno.h"
+#include "fs/procfs.h"
 #include "io/debug.h"
+#include "sys/msg.h"
+#include "sys/sem.h"
+#include "sys/shm.h"
 #include "string.h"
 
-#include "ipc/msg.h"
-#include "ipc/sem.h"
-#include "ipc/shm.h"
 
 extern ssize_t procipc_msg_read(vfs_file_t *file, char *buf, off_t offset, size_t nbyte);
 

mentos/src/ipc/msg.c

@@ -12,10 +12,10 @@
 #include "io/debug.h"                    // Include debugging functions.
 // ============================================================================
 
-#include "ipc/msg.h"
-#include "system/panic.h"
 #include "process/process.h"
+#include "system/panic.h"
 #include "sys/errno.h"
+#include "sys/msg.h"
 #include "string.h"
 #include "assert.h"
 #include "stdio.h"

mentos/src/ipc/sem.c

@@ -38,9 +38,10 @@
 #include "io/debug.h"                   // Include debugging functions.
 // ============================================================================
 
-#include "ipc/sem.h"
-#include "klib/list.h"
+#include "sys/sem.h"
+
 #include "process/process.h"
+#include "klib/list.h"
 #include "sys/errno.h"
 #include "string.h"
 #include "assert.h"

mentos/src/ipc/shm.c

@@ -12,7 +12,7 @@
 #include "io/debug.h"                    // Include debugging functions.
 // ============================================================================
 
-#include "ipc/shm.h"
+#include "sys/shm.h"
 #include "system/panic.h"
 #include "process/process.h"
 #include "sys/errno.h"

mentos/src/system/syscall.c

@@ -13,17 +13,17 @@
 #include "mem/kheap.h"
 #include "system/syscall.h"
 #include "descriptor_tables/isr.h"
-#include "sys/errno.h"
 #include "kernel.h"
 #include "process/process.h"
 #include "process/scheduler.h"
-#include "sys/utsname.h"
 #include "fs/ioctl.h"
 #include "hardware/timer.h"
 
-#include "ipc/msg.h"
-#include "ipc/sem.h"
-#include "ipc/shm.h"
+#include "sys/errno.h"
+#include "sys/utsname.h"
+#include "sys/msg.h"
+#include "sys/sem.h"
+#include "sys/shm.h"
 
 /// The signature of a function call.
 typedef int (*SystemCall)();