headers/private/libroot/signal_private.h

   1 /*
   2  * Copyright 2011, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _LIBROOT_SIGNAL_PRIVATE_H
   6 #define _LIBROOT_SIGNAL_PRIVATE_H
   7
   8
   9 #include <signal.h>
  10 #include <sys/cdefs.h>
  11
  12 #include <signal_defs.h>
  13
  14
  15 #define MAX_SIGNAL_NUMBER_BEOS          29
  16
  17
  18 typedef __haiku_int32 sigset_t_beos;
  19
  20 struct sigaction_beos {
  21         __sighandler_t  sa_handler;
  22         sigset_t_beos   sa_mask;
  23         int                             sa_flags;
  24         void*                   sa_userdata;
  25 };
  26
  27
  28 static inline sigset_t_beos
  29 to_beos_sigset(sigset_t set)
  30 {
  31         // restrict to BeOS signals
  32         sigset_t_beos beosSet = (sigset_t_beos)(set
  33                 & SIGNAL_RANGE_TO_MASK(1, MAX_SIGNAL_NUMBER_BEOS));
  34
  35         // if SIGBUS is set, set SIGSEGV, since they have the same number in BeOS
  36         if ((set & SIGNAL_TO_MASK(SIGBUS)) != 0)
  37                 beosSet |= SIGNAL_TO_MASK(SIGSEGV);
  38
  39         return beosSet;
  40 }
  41
  42
  43 static inline sigset_t
  44 from_beos_sigset(sigset_t_beos beosSet)
  45 {
  46         sigset_t set = beosSet;
  47
  48         // if SIGSEGV is set, set SIGBUS, since they have the same number in BeOS
  49         if ((set & SIGNAL_TO_MASK(SIGSEGV)) != 0)
  50                 set |= SIGNAL_TO_MASK(SIGBUS);
  51
  52         return set;
  53 }
  54
  55
  56 __BEGIN_DECLS
  57
  58
  59 __sighandler_t __signal_beos(int signal, __sighandler_t signalHandler);
  60 __sighandler_t __signal(int signal, __sighandler_t signalHandler);
  61
  62 int __sigaction_beos(int signal, const struct sigaction_beos* beosAction,
  63         struct sigaction_beos* beosOldAction);
  64 int __sigaction(int signal, const struct sigaction* action,
  65         struct sigaction* oldAction);
  66
  67 __sighandler_t __sigset_beos(int signal, __sighandler_t signalHandler);
  68 __sighandler_t __sigset(int signal, __sighandler_t signalHandler);
  69
  70 int __sigignore_beos(int signal);
  71 int __sigignore(int signal);
  72
  73 int __sighold_beos(int signal);
  74 int __sighold(int signal);
  75
  76 int __sigrelse_beos(int signal);
  77 int __sigrelse(int signal);
  78
  79 int __sigpause_beos(int signal);
  80 int __sigpause(int signal);
  81
  82 int __siginterrupt_beos(int signal, int flag);
  83 int __siginterrupt(int signal, int flag);
  84
  85 int __pthread_sigmask_beos(int how, const sigset_t_beos* beosSet,
  86         sigset_t_beos* beosOldSet);
  87 int __sigprocmask_beos(int how, const sigset_t_beos* beosSet,
  88         sigset_t_beos* beosOldSet);
  89
  90 int __pthread_sigmask(int how, const sigset_t* set, sigset_t* oldSet);
  91 int __sigprocmask(int how, const sigset_t* set, sigset_t* oldSet);
  92
  93 int __sigpending_beos(sigset_t_beos* beosSet);
  94 int __sigpending(sigset_t* set);
  95
  96 int __sigsuspend_beos(const sigset_t_beos* beosMask);
  97 int __sigsuspend(const sigset_t* mask);
  98
  99 int __sigwait_beos(const sigset_t_beos* beosSet, int* _signal);
 100 int __sigwait(const sigset_t* set, int* _signal);
 101
 102 int __sigemptyset_beos(sigset_t_beos* set);
 103 int __sigfillset_beos(sigset_t_beos* set);
 104 int __sigismember_beos(const sigset_t_beos* set, int signal);
 105 int __sigaddset_beos(sigset_t_beos* set, int signal);
 106 int __sigdelset_beos(sigset_t_beos* set, int signal);
 107
 108 int __sigemptyset(sigset_t* set);
 109 int __sigfillset(sigset_t* set);
 110 int __sigismember(const sigset_t* set, int signal);
 111 int __sigaddset(sigset_t* set, int signal);
 112 int __sigdelset(sigset_t* set, int signal);
 113
 114
 115 __END_DECLS
 116
 117
 118 #endif  // _LIBROOT_SIGNAL_PRIVATE_H