From 548506392b789f58b1556a6ffca917441e1d89fd Mon Sep 17 00:00:00 2001
From: Jon Santmyer <jon@jonsantmyer.com>
Date: Tue, 13 Oct 2026 22:31:43 -0400
Subject: ipc functions. work on process spawning

---
 api/syscall.h | 51 ++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 48 insertions(+), 3 deletions(-)

(limited to 'api/syscall.h')

diff --git a/api/syscall.h b/api/syscall.h
index 54ff267..40fedd4 100644
--- a/api/syscall.h
+++ b/api/syscall.h
@@ -74,9 +74,31 @@ enum
 {
     _SYSCALL_OBJDIR_BADCALL = 0,
     SYSCALL_OBJDIR_OBJTYPE,
+    SYSCALL_OBJDIR_SWAP,
+    SYSCALL_OBJDIR_LINK,
+    SYSCALL_OBJDIR_ISLINK
 };
 
-#define SYSCALL_PERM_OBJDIR_OBJTYPE JOVE_PERM_READ
+#define SYSCALL_PERM_OBJDIR_OBJTYPE (JOVE_PERM_READ)
+#define SYSCALL_PERM_OBJDIR_SWAP (JOVE_PERM_WRITE)
+#define SYSCALL_PERM_OBJDIR_LINK (JOVE_PERM_WRITE)
+
+#define SYSCALL_PERM_OBJDIR_SWAP_TGT (JOVE_PERM_WRITE)
+#define SYSCALL_PERM_OBJDIR_LINK_TGT (JOVE_PERM_WRITE | JOVE_PERM_MUTATE)
+
+struct syscall_objdir_swap
+{
+    objpath_part_t index;
+    objpath_part_t other_path_length;
+    objpath_part_t other_path[];
+};
+
+struct syscall_objdir_link
+{
+    objpath_part_t index;
+    objpath_part_t other_path_length;
+    objpath_part_t other_path[];
+};
 
 /* JOVE_OBJ_PAGEDIR syscalls
  * */
@@ -183,17 +205,23 @@ enum
     SYSCALL_PCB_YIELD,
     SYSCALL_PCB_SEND,
     SYSCALL_PCB_RECV,
+    SYSCALL_PCB_SWAP,
+    SYSCALL_PCB_STACK,
     SYSCALL_PCB_READY,
 };
 
 #define SYSCALL_PERM_PCB_PID (JOVE_PERM_READ)
 #define SYSCALL_PERM_PCB_YIELD (JOVE_PERM_WRITE)
 #define SYSCALL_PERM_PCB_SEND (JOVE_PERM_WRITE)
-#define SYSCALL_PERM_PCB_RECV (JOVE_PERM_WRITE)
-#define SYSCALL_PERM_PCB_READY (JOVE_PERM_WRITE | JOVE_PERM_MUTATE)
+#define SYSCALL_PERM_PCB_RECV (JOVE_PERM_READ | JOVE_PERM_WRITE)
+#define SYSCALL_PERM_PCB_SWAP (SYSCALL_PERM_PCB_SEND | SYSCALL_PERM_PCB_RECV)
+#define SYSCALL_PERM_PCB_STACK (JOVE_PERM_WRITE | JOVE_PERM_MUTATE)
+#define SYSCALL_PERM_PCB_READY (JOVE_PERM_ALL)
 
 #define SYSCALL_PERM_PCB_SEND_OBJDIR (JOVE_PERM_WRITE)
 #define SYSCALL_PERM_PCB_RECV_DST (JOVE_PERM_MUTATE)
+#define SYSCALL_PERM_PCB_SWAP_OBJ (JOVE_PERM_MUTATE)
+#define SYSCALL_PERM_PCB_STACK_OBJ (JOVE_PERM_WRITE | JOVE_PERM_MUTATE)
 
 struct syscall_pcb_yield 
 {
@@ -216,6 +244,23 @@ struct syscall_pcb_recv
     objpath_part_t recv_path[];
 };
 
+struct syscall_pcb_swap
+{
+    pid_t swap_target;
+    uintmax_t send_timeout;
+    uintmax_t recv_timeout;
+
+    objpath_part_t swap_path_length;
+    objpath_part_t swap_path[];
+};
+
+struct syscall_pcb_stack
+{
+    char type;
+    objpath_part_t stack_path_length;
+    objpath_part_t stack_path[];
+};
+
 /**JOVE_OBJ_INITRD_FILE syscalls
  * */
 
-- 
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