X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/cd103ea1b3ff029cfc458b3913975b5600915341..b60166b327a9108b07e3069fa6568a451529ffd9:/lunaix-os/includes/lunaix/signal.h diff --git a/lunaix-os/includes/lunaix/signal.h b/lunaix-os/includes/lunaix/signal.h index 4a4cf0b..2623412 100644 --- a/lunaix-os/includes/lunaix/signal.h +++ b/lunaix-os/includes/lunaix/signal.h @@ -1,26 +1,68 @@ #ifndef __LUNAIX_SIGNAL_H #define __LUNAIX_SIGNAL_H -#define _SIG_NUM 8 +#include + +#define _SIG_NUM 16 #define _SIG_PENDING(bitmap, sig) ((bitmap) & (1 << (sig))) -#define _SIGSEGV 0 -#define _SIGALRM 1 -#define _SIGCHLD 2 -#define _SIGCLD SIGCHLD -#define _SIGINT 3 -#define _SIGKILL 4 -#define _SIGSTOP 5 -#define _SIGCONT 6 +#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 sigregister { + 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_registers(struct sigregister* dest_reg); -#define _SIGNAL_UNMASKABLE ((1 << _SIGKILL) | (1 << _SIGSTOP)) +void +signal_reset_context(struct sigctx* sigctx); -#define _SIG_BLOCK 1 -#define _SIG_UNBLOCK 2 -#define _SIG_SETMASK 3 +void +signal_reset_register(struct sigregister* sigreg); -typedef unsigned int sigset_t; -typedef void (*sighandler_t)(int); +void +signal_free_registers(struct sigregister* sigreg); #endif /* __LUNAIX_SIGNAL_H */