root/include/signal.h

/* */

INCLUDED FROM

   1 #ifndef _SIGNAL_H
   2 #define _SIGNAL_H
   3 
   4 #include <sys/types.h>
   5 
   6 typedef int sig_atomic_t;
   7 typedef unsigned int sigset_t;          /* 32 bits */
   8 
   9 #define _NSIG             32
  10 #define NSIG            _NSIG
  11 
  12 #define SIGHUP           1
  13 #define SIGINT           2
  14 #define SIGQUIT          3
  15 #define SIGILL           4
  16 #define SIGTRAP          5
  17 #define SIGABRT          6
  18 #define SIGIOT           6
  19 #define SIGUNUSED        7
  20 #define SIGFPE           8
  21 #define SIGKILL          9
  22 #define SIGUSR1         10
  23 #define SIGSEGV         11
  24 #define SIGUSR2         12
  25 #define SIGPIPE         13
  26 #define SIGALRM         14
  27 #define SIGTERM         15
  28 #define SIGSTKFLT       16
  29 #define SIGCHLD         17
  30 #define SIGCONT         18
  31 #define SIGSTOP         19
  32 #define SIGTSTP         20
  33 #define SIGTTIN         21
  34 #define SIGTTOU         22
  35 
  36 /* Ok, I haven't implemented sigactions, but trying to keep headers POSIX */
  37 #define SA_NOCLDSTOP    1
  38 #define SA_NOMASK       0x40000000
  39 #define SA_ONESHOT      0x80000000
  40 
  41 #define SIG_BLOCK          0    /* for blocking signals */
  42 #define SIG_UNBLOCK        1    /* for unblocking signals */
  43 #define SIG_SETMASK        2    /* for setting the signal mask */
  44 
  45 #define SIG_DFL         ((void (*)(int))0)      /* default signal handling */
  46 #define SIG_IGN         ((void (*)(int))1)      /* ignore signal */
  47 
  48 struct sigaction {
  49         void (*sa_handler)(int);
  50         sigset_t sa_mask;
  51         int sa_flags;
  52         void (*sa_restorer)(void);
  53 };
  54 
  55 void (*signal(int _sig, void (*_func)(int)))(int);
  56 int raise(int sig);
  57 int kill(pid_t pid, int sig);
  58 int sigaddset(sigset_t *mask, int signo);
  59 int sigdelset(sigset_t *mask, int signo);
  60 int sigemptyset(sigset_t *mask);
  61 int sigfillset(sigset_t *mask);
  62 int sigismember(sigset_t *mask, int signo); /* 1 - is, 0 - not, -1 error */
  63 int sigpending(sigset_t *set);
  64 int sigprocmask(int how, sigset_t *set, sigset_t *oldset);
  65 int sigsuspend(sigset_t *sigmask);
  66 int sigaction(int sig, struct sigaction *act, struct sigaction *oldact);
  67 
  68 #endif /* _SIGNAL_H */

/* */