From 0117080b61595f11d8b3c5c4a12751e9f5bba929 Mon Sep 17 00:00:00 2001
From: kamkow1 <kamkow256@gmail.com>
Date: Sat, 4 Oct 2025 14:43:24 +0200
Subject: [PATCH] Remove bcast pipes

---
 kernel/proc/proc.c       |  1 -
 kernel/proc/proc.h       |  5 -----
 kernel/syscall/ipcpipe.c | 33 ---------------------------------
 share/sysdefs/ipcpipe.h  |  1 -
 4 files changed, 40 deletions(-)

diff --git a/kernel/proc/proc.c b/kernel/proc/proc.c
index 3ed21ba..1259191 100644
--- a/kernel/proc/proc.c
+++ b/kernel/proc/proc.c
@@ -139,7 +139,6 @@ Proc *proc_spawnuser(char *mountpoint, char *path) {
   proc->state = PROC_EMBRYO;
   proc->pid = pids++;
   proc->mman_map_base = PROC_MMAN_MAP_BASE;
-  spinlock_init(&proc->bcast_pipes.spinlock);
   spinlock_init(&proc->pipes_spinlock);
   spinlock_init(&proc->devs_spinlock);
 
diff --git a/kernel/proc/proc.h b/kernel/proc/proc.h
index a8ac3b8..6a9cb23 100644
--- a/kernel/proc/proc.h
+++ b/kernel/proc/proc.h
@@ -60,11 +60,6 @@ typedef struct Proc {
   IpcPipe *pipes[PROC_PIPEHANDLES_MAX];
   SpinLock pipes_spinlock;
 
-  struct {
-    IpcPipe *list;
-    SpinLock spinlock;
-  } bcast_pipes;
-  
   Dev *devs[PROC_DEVHANDLES_MAX];
   SpinLock devs_spinlock;
 
diff --git a/kernel/syscall/ipcpipe.c b/kernel/syscall/ipcpipe.c
index e2c4ba3..27649ca 100644
--- a/kernel/syscall/ipcpipe.c
+++ b/kernel/syscall/ipcpipe.c
@@ -122,39 +122,6 @@ int32_t SYSCALL5(sys_ipcpipe, pid1, pipenum1, cmd1, buffer1, len1) {
 
       ret = ipc_piperead(pipe, buffer, len1);
     } break;
-    case IPCPIPE_ADD_BCAST: {
-      if (pipenum >= PROC_PIPEHANDLES_MAX) {
-        ret = E_NOMEMORY;
-        goto done;
-      }
-      
-      spinlock_acquire(&proc->pipes_spinlock);
-      IpcPipe *pipe = proc->pipes[pipenum];
-      spinlock_release(&proc->pipes_spinlock);
-
-      if (pipe == NULL) {
-        ret = E_INVALIDARGUMENT;
-        goto done;
-      }
-
-      uint64_t pid2 = len1;
-
-      Proc *proc2 = NULL;
-      spinlock_acquire(&PROCS.spinlock);
-      LL_FINDPROP(PROCS.procs, proc2, pid, pid2);
-      spinlock_release(&PROCS.spinlock);
-
-      if (proc2 == NULL) {
-        ret = E_INVALIDARGUMENT;
-        goto done;
-      }
-
-      spinlock_acquire(&proc2->bcast_pipes.spinlock);
-      LL_APPEND(proc2->bcast_pipes.list, pipe);
-      spinlock_release(&proc2->bcast_pipes.spinlock);
-
-      ret = E_OK;
-    } break;
     case IPCPIPE_REPLACE: {
       if (pipenum >= PROC_PIPEHANDLES_MAX) {
         ret = E_NOMEMORY;
diff --git a/share/sysdefs/ipcpipe.h b/share/sysdefs/ipcpipe.h
index c8ba754..0c836ea 100644
--- a/share/sysdefs/ipcpipe.h
+++ b/share/sysdefs/ipcpipe.h
@@ -12,7 +12,6 @@
 #define IPCPIPE_MAKE      0
 #define IPCPIPE_READ      1
 #define IPCPIPE_WRITE     2
-#define IPCPIPE_ADD_BCAST 3
 #define IPCPIPE_REPLACE   4
 #define IPCPIPE_DELETE    5