Framework for exporting system header to user space (#59)

[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 dbe9ce5c9c212af1d28fe167558615b65049743b..63723254e33681413220267e449acffb8c1ec5a6 100644 (file)
--- a/lunaix-os/includes/lunaix/signal.h
+++ b/lunaix-os/includes/lunaix/signal.h
@@ -1,7 +1,8 @@
 #ifndef __LUNAIX_SIGNAL_H
 #define __LUNAIX_SIGNAL_H
 
-#include <usr/lunaix/signal_defs.h>
+#include <lunaix/types.h>
+#include <usr/lunaix/signal.h>
 
 #define _SIG_NUM 16
 
@@ -16,19 +17,53 @@
 #define _SIGSTOP SIGSTOP
 #define _SIGCONT SIGCONT
 #define _SIGTERM SIGTERM
-
-#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 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, int signum);
+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 */