refactor: kernel space yield() for controllable, flexible task switching

[lunaix-os.git] / lunaix-os / includes / lunaix / syscall.h

diff --git a/lunaix-os/includes/lunaix/syscall.h b/lunaix-os/includes/lunaix/syscall.h
index 3a6e2eba10285ed8f84726ab543f5d40a52a0b50..1e205c20ccc3b71923d8a662dd9bfa7d1574b79d 100644 (file)
--- a/lunaix-os/includes/lunaix/syscall.h
+++ b/lunaix-os/includes/lunaix/syscall.h
@@ -13,14 +13,46 @@
 #define __SYSCALL__exit 8
 #define __SYSCALL_wait 9
 #define __SYSCALL_waitpid 10
+
 #define __SYSCALL_sigreturn 11
 #define __SYSCALL_sigprocmask 12
 #define __SYSCALL_signal 13
 #define __SYSCALL_pause 14
+#define __SYSCALL_kill 15
+#define __SYSCALL_alarm 16
+#define __SYSCALL_sigpending 17
+#define __SYSCALL_sigsuspend 18
+#define __SYSCALL_open 19
+#define __SYSCALL_close 20
+
+#define __SYSCALL_read 21
+#define __SYSCALL_write 22
+#define __SYSCALL_readdir 23
+#define __SYSCALL_mkdir 24
+#define __SYSCALL_lseek 25
+#define __SYSCALL_geterrno 26
+#define __SYSCALL_readlink 27
+#define __SYSCALL_readlinkat 28
+#define __SYSCALL_rmdir 29
+
+#define __SYSCALL_unlink 30
+#define __SYSCALL_unlinkat 31
+#define __SYSCALL_link 32
+#define __SYSCALL_fsync 33
+#define __SYSCALL_dup 34
+#define __SYSCALL_dup2 35
+#define __SYSCALL_realpathat 36
+#define __SYSCALL_symlink 37
+#define __SYSCALL_chdir 38
+#define __SYSCALL_fchdir 39
+#define __SYSCALL_getcwd 40
 
 #define __SYSCALL_MAX 0x100
 
 #ifndef __ASM__
+
+#define SYSCALL_ESTATUS(errno) -((errno) != 0)
+
 void
 syscall_install();
 
@@ -33,11 +65,6 @@ syscall_install();
 #define __PARAM_MAP5(t1, p1, ...) t1 p1, __PARAM_MAP4(__VA_ARGS__)
 #define __PARAM_MAP6(t1, p1, ...) t1 p1, __PARAM_MAP5(__VA_ARGS__)
 
-#define ___DOINT33(callcode, rettype)                                          \
-    int v;                                                                     \
-    asm volatile("int %1\n" : "=a"(v) : "i"(LUNAIX_SYS_CALL), "a"(callcode));  \
-    return (rettype)v;
-
 #define __DEFINE_LXSYSCALL(rettype, name) asmlinkage rettype __lxsys_##name()
 
 #define __DEFINE_LXSYSCALL1(rettype, name, t1, p1)                             \
@@ -53,6 +80,16 @@ syscall_install();
     asmlinkage rettype __lxsys_##name(                                         \
       __PARAM_MAP4(t1, p1, t2, p2, t3, p3, t4, p4))
 
+#define __SYSCALL_INTERRUPTIBLE(code)                                          \
+    asm("sti");                                                                \
+    { code };                                                                  \
+    asm("cli");
+
+#define ___DOINT33(callcode, rettype)                                          \
+    int v;                                                                     \
+    asm volatile("int %1\n" : "=a"(v) : "i"(LUNAIX_SYS_CALL), "a"(callcode));  \
+    return (rettype)v;
+
 #define __LXSYSCALL(rettype, name)                                             \
     static rettype name()                                                      \
     {                                                                          \
@@ -81,7 +118,7 @@ syscall_install();
     }
 
 #define __LXSYSCALL4(rettype, name, t1, p1, t2, p2, t3, p3, t4, p4)            \
-    static rettype name(__PARAM_MAP3(t1, p1, t2, p2, t3, p3, t4, p4))          \
+    static rettype name(__PARAM_MAP4(t1, p1, t2, p2, t3, p3, t4, p4))          \
     {                                                                          \
         asm("\n" ::"b"(p1), "c"(p2), "d"(p3), "D"(p4));                        \
         ___DOINT33(__SYSCALL_##name, rettype)                                  \