Decoupling Architectural-specific Code (#35)

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

diff --git a/lunaix-os/includes/lunaix/signal.h b/lunaix-os/includes/lunaix/signal.h
index 43cfb990b30023906adda352ee882df29e0383ad..e9838461031c235cd52472fbbe959f43700119ee 100644 (file)
--- a/lunaix-os/includes/lunaix/signal.h
+++ b/lunaix-os/includes/lunaix/signal.h
@@ -1,48 +1,68 @@
 #ifndef __LUNAIX_SIGNAL_H
 #define __LUNAIX_SIGNAL_H
 
-#include <lunaix/syscall.h>
+#include <usr/lunaix/signal_defs.h>
 
 #define _SIG_NUM 16
 
 #define _SIG_PENDING(bitmap, sig) ((bitmap) & (1 << (sig)))
 
-#define _SIGSEGV 1
-#define _SIGALRM 2
-#define _SIGCHLD 3
-#define _SIGCLD _SIGCHLD
-#define _SIGINT 4
-#define _SIGKILL 5
-#define _SIGSTOP 6
-#define _SIGCONT 7
-#define _SIGTERM 8
-
-#define __SIGNAL(num) (1 << (num))
-#define __SIGSET(bitmap, num) (bitmap = bitmap | __SIGNAL(num))
-#define __SIGTEST(bitmap, num) (bitmap & __SIGNAL(num))
-#define __SIGCLEAR(bitmap, num) ((bitmap) = (bitmap) & ~__SIGNAL(num))
-
-#define _SIGNAL_UNMASKABLE (__SIGNAL(_SIGKILL) | __SIGNAL(_SIGSTOP))
-
-#define _SIG_BLOCK 1
-#define _SIG_UNBLOCK 2
-#define _SIG_SETMASK 3
-
-typedef unsigned int sigset_t;
-typedef void (*sighandler_t)(int);
-
-__LXSYSCALL2(int, signal, int, signum, sighandler_t, handler);
-
-__LXSYSCALL1(int, sigpending, sigset_t, *set);
-__LXSYSCALL1(int, sigsuspend, const sigset_t, *mask);
-
-__LXSYSCALL3(int,
-             sigprocmask,
-             int,
-             how,
-             const sigset_t,
-             *set,
-             sigset_t,
-             *oldset);
+#define _SIGSEGV SIGSEGV
+#define _SIGALRM SIGALRM
+#define _SIGCHLD SIGCHLD
+#define _SIGCLD SIGCLD
+#define _SIGINT SIGINT
+#define _SIGKILL SIGKILL
+#define _SIGSTOP SIGSTOP
+#define _SIGCONT SIGCONT
+#define _SIGTERM SIGTERM
+#define _SIG_BLOCK SIG_BLOCK
+#define _SIG_UNBLOCK SIG_UNBLOCK
+#define _SIG_SETMASK SIG_SETMASK
+
+#define sigset(num) (1 << (num))
+#define sigset_add(set, num) (set = set | sigset(num))
+#define sigset_test(set, num) (set & sigset(num))
+#define sigset_clear(set, num) ((set) = (set) & ~sigset(num))
+#define sigset_union(set, set2) ((set) = (set) | (set2))
+#define sigset_intersect(set, set2) ((set) = (set) & (set2))
+
+struct sigact
+{
+    sigset_t sa_mask;
+    void* sa_actor;
+    void* sa_handler;
+    pid_t sender;
+};
+
+struct sigregistry {
+    struct sigact* signals[_SIG_NUM];
+};
+
+struct sigctx
+{
+    sigset_t sig_pending;
+    sigset_t sig_mask;
+    signum_t sig_active;
+    signum_t sig_order[_SIG_NUM];
+};
+
+int
+signal_send(pid_t pid, signum_t signum);
+
+void
+signal_dup_context(struct sigctx* dest_ctx);
+
+void
+signal_dup_registry(struct sigregistry* dest_reg);
+
+void
+signal_reset_context(struct sigctx* sigctx);
+
+void
+signal_reset_registry(struct sigregistry* sigreg);
+
+void
+signal_free_registry(struct sigregistry* sigreg);
 
 #endif /* __LUNAIX_SIGNAL_H */