5 files changed, 108 insertions, 0 deletions
diff --git a/sys/include/dev/cons/cons.h b/sys/include/dev/cons/cons.h
index aa9d8e3..c82c3c5 100644
--- a/sys/include/dev/cons/cons.h
+++ b/sys/include/dev/cons/cons.h
@@ -32,6 +32,8 @@
 
 #include <sys/types.h>
 #include <sys/spinlock.h>
+#include <sys/proc.h>
+#include <sys/mutex.h>
 #include <sys/console.h>
 #include <dev/video/fbdev.h>
 #include <dev/cons/consvar.h>
@@ -49,6 +51,8 @@ struct cons_screen {
     struct fbdev fbdev;
     struct ansi_state ansi_s;
     struct console_feat feat;   /* Features */
+    struct proc *atproc;        /* Attached proc */
+    struct mutex *atproc_lock;
     uint32_t fg;
     uint32_t bg;
 
@@ -72,6 +76,8 @@ void cons_update_color(struct cons_screen *scr, uint32_t fg, uint32_t bg);
 void cons_clear_scr(struct cons_screen *scr, uint32_t bg);
 void cons_reset_color(struct cons_screen *scr);
 void cons_reset_cursor(struct cons_screen *scr);
+int cons_attach(void);
+int cons_detach(void);
 int cons_putch(struct cons_screen *scr, char c);
 int cons_putstr(struct cons_screen *scr, const char *s, size_t len);
 
diff --git a/sys/include/fs/devfs.h b/sys/include/fs/devfs.h
index 012c2eb..51b0b45 100644
--- a/sys/include/fs/devfs.h
+++ b/sys/include/fs/devfs.h
@@ -33,9 +33,11 @@
 #include <sys/vnode.h>
 #include <sys/types.h>
 #include <sys/device.h>
+#include <sys/devstat.h>
 
 extern const struct vops g_devfs_vops;
 
 int devfs_create_entry(const char *name, devmajor_t major, dev_t dev, mode_t mode);
+int devfs_devstat(struct vnode *vp, struct devstat *res);
 
 #endif  /* !_FS_DEVFS_H_ */
diff --git a/sys/include/sys/devstat.h b/sys/include/sys/devstat.h
new file mode 100644
index 0000000..91af30f
--- /dev/null
+++ b/sys/include/sys/devstat.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _SYS_DEVSTAT_H_
+#define _SYS_DEVSTAT_H_
+
+#include <sys/types.h>
+
+/*
+ * Stats for block devices
+ *
+ * @nwrites: Number of writes total
+ * @nreads: Number of reads total
+ */
+struct devstat {
+    size_t nwrites;
+    size_t nreads;
+};
+
+#endif  /* !_SYS_DEVSTAT_H_ */
diff --git a/sys/include/sys/mutex.h b/sys/include/sys/mutex.h
new file mode 100644
index 0000000..8a4d50a
--- /dev/null
+++ b/sys/include/sys/mutex.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2023-2025 Ian Marco Moffett and the Osmora Team.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Hyra nor the names of its
+ *    contributors may be used to endorse or promote products derived from
+ *    this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _SYS_MUTEX_H_
+#define _SYS_MUTEX_H_
+
+#include <sys/types.h>
+#include <vm/dynalloc.h>
+
+#define MUTEX_NAME_LEN 32
+
+#if defined(_KERNEL)
+
+struct mutex {
+    char name[MUTEX_NAME_LEN];
+    volatile uint8_t lock;
+};
+
+struct mutex *mutex_new(const char *name);
+void mutex_free(struct mutex *mtx);
+
+int mutex_acquire(struct mutex *mtx, int flags);
+void mutex_release(struct mutex *mtx);
+
+#endif  /* _KERNEL */
+#endif  /* !_SYS_MUTEX_H_ */
diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h
index 08bd989..3650e7a 100644
--- a/sys/include/sys/syscall.h
+++ b/sys/include/sys/syscall.h
@@ -54,6 +54,8 @@
 #define SYS_lseek   13
 #define SYS_sleep   14
 #define SYS_inject  15
+#define SYS_getpid  16
+#define SYS_getppid 17
 
 #if defined(_KERNEL)
 /* Syscall return value and arg type */