1 files changed, 0 insertions, 132 deletions
diff --git a/kernel/src/arch/x86_64/syscalls/futex.cpp b/kernel/src/arch/x86_64/syscalls/futex.cpp
deleted file mode 100644
index 3d3352f..0000000
--- a/kernel/src/arch/x86_64/syscalls/futex.cpp
+++ /dev/null
@@ -1,132 +0,0 @@
-
-#include <cstdint>
-#include <arch/x86_64/syscalls/syscalls.hpp>
-#include <arch/x86_64/syscalls/signal.hpp>
-#include <arch/x86_64/cpu/data.hpp>
-#include <arch/x86_64/scheduling.hpp>
-#include <generic/vfs/vfs.hpp>
-#include <drivers/tsc.hpp>
-
-#include <generic/locks/spinlock.hpp>
-
-locks::spinlock futex_lock2;
-
-long long sys_futex(int* uaddr, int op, uint32_t val, int_frame_t* ctx) {
-    int operation = op & FUTEX_CMD_MASK;
-    int flags = op & (FUTEX_CLOCK_REALTIME | FUTEX_PRIVATE_FLAG);
-
-    arch::x86_64::process_t* proc = arch::x86_64::cpu::data()->temp.proc; 
-
-    struct timespec* ts = (struct timespec*)ctx->r10;
-
-    DEBUG(proc->is_debug,"futex op %d, val %d, uaddr 0x%p, flags %d, raw_op %d",operation,val,uaddr,flags,op);
-
-    switch(operation) {
-    case FUTEX_WAIT: {
-        
-        SYSCALL_IS_SAFEZ(uaddr,4096);
-
-        int v = 0;
-        v = ((std::atomic<int>*)uaddr)->load();
-
-        if(v != val)
-            return -EAGAIN;
-
-        std::uint64_t t = 0;
-        if(ts) {
-            t = (ts->tv_sec * (1000 * 1000)) + (ts->tv_nsec / 1000);
-            t += drivers::tsc::currentus();
-        }
-
-        DEBUG(proc->is_debug,"Waiting for futex, pointer: 0x%p excepted: %d, pointer_value %d in proc %d, ts->tv_nsec %lli ts->tv_sec %lli",uaddr,val,v,proc->id,ts != nullptr ? ts->tv_nsec : 0, ts != nullptr ? ts->tv_sec : 0);
-            
-        arch::x86_64::scheduling::futexwait(proc,&v,val,uaddr,t);
-
-        futex_lock2.unlock();
-        yield();
-            
-        while(proc->futex_lock.test()) {
-            if(ts) {
-                 if(proc->ts < drivers::tsc::currentus()) {
-                     proc->futex_lock.unlock(); 
-                      return -ETIMEDOUT;
-                  }
-                }
-
-              PREPARE_SIGNAL(proc) {
-                  proc->futex_lock.unlock();
-                   signal_ret();
-               }
-
-               yield();
-        }
-            
-        return 0;
-    };
-    case FUTEX_WAKE: {
-        int c = arch::x86_64::scheduling::futexwake(proc,uaddr,val);
-        return c;
-    }
-    default:
-        Log::SerialDisplay(LEVEL_MESSAGE_FAIL,"unsupported futex op %d\n",op);
-        return 0;
-    };
-    return 0;
-}
-
-// syscall_ret_t sys_futex_wait(int* pointer, int excepted, struct timespec* ts) {
-
-//     futex_lock2.lock();
-//     int v = 0;
-//     v = ((std::atomic<int>*)pointer)->load();
-
-//     if(v != excepted) {
-//         futex_lock2.unlock();
-//         return {0,EAGAIN,0};
-//     }
-
-//     arch::x86_64::process_t* proc = arch::x86_64::cpu::data()->temp.proc; 
-
-//     std::uint64_t t = 0;
-//     if(ts) {
-//         t = (ts->tv_sec * (1000 * 1000)) + (ts->tv_nsec / 1000);
-//         t += drivers::tsc::currentus();
-//     }
-
-    
-
-//     int copied_pointer_val = v;
-//     DEBUG(0,"Waiting for futex, pointer: 0x%p excepted: %d, pointer_value %d in proc %d, ts->tv_nsec %lli ts->tv_sec %lli",pointer,excepted,copied_pointer_val,proc->id,ts != nullptr ? ts->tv_nsec : 0, ts != nullptr ? ts->tv_sec : 0);
-    
-//     arch::x86_64::scheduling::futexwait(proc,&copied_pointer_val,excepted,pointer,t);
-
-//     futex_lock2.unlock();
-//     yield();
-    
-//     while(proc->futex_lock.test()) {
-//         if(ts) {
-//             if(proc->ts < drivers::tsc::currentus()) {
-//                 proc->futex_lock.unlock(); 
-//                 return {0,ETIMEDOUT,0};
-//             }
-//         }
-
-//         PREPARE_SIGNAL(proc) {
-//             proc->futex_lock.unlock();
-//             signal_ret();
-//         }
-
-//         yield();
-//     }
-
-//     return {0,0,0};
-// }
-
-// syscall_ret_t sys_futex_wake(int* pointer) {
-//     futex_lock2.lock();
-//     arch::x86_64::process_t* proc = arch::x86_64::cpu::data()->temp.proc; 
-//     DEBUG(0,"Wakeup futex with pointer 0x%p in proc %d",pointer,proc->id);
-//     int c = arch::x86_64::scheduling::futexwake(proc,pointer);
-//     futex_lock2.unlock();
-//     return {0,0,0};
-// }