Forward declare <signal.h> API.
This commit is contained in:
Jonas 'Sortie' Termansen
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29df8b3092
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615bf32c60
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012, 2013.
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This file is part of the Sortix C Library.
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@ -22,29 +22,179 @@
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*******************************************************************************/
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/* TODO: This does not fully implement POSIX 2008-1 yet! */
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#ifndef _SIGNAL_H
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#define _SIGNAL_H 1
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#ifndef INCLUDE_SIGNAL_H
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#define INCLUDE_SIGNAL_H
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#include <features.h>
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#include <sortix/signal.h>
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#include <sortix/sigset.h>
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__BEGIN_DECLS
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@include(pid_t.h);
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@include(uid_t.h)
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@include(pid_t.h)
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@include(size_t.h)
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/* TODO: POSIX says this header declares struct timespec, but not time_t... */
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@include(time_t.h)
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/* TODO: pthread_t */
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/* TODO: pthread_attr_t */
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__END_DECLS
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#include <sortix/sigset.h>
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#include <sortix/timespec.h>
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__BEGIN_DECLS
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/* TODO: Should this be volatile? It isn't on Linux. */
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typedef int sig_atomic_t;
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typedef void (*sighandler_t)(int);
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void SIG_DFL(int signum);
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void SIG_IGN(int signum);
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void SIG_ERR(int signum);
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void SIG_DFL(int);
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void SIG_IGN(int);
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void SIG_ERR(int);
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sighandler_t signal(int signum, sighandler_t handler);
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int kill(pid_t pid, int sig);
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#define SIG_DFL SIG_DFL
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#define SIG_IGN SIG_IGN
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#define SIG_ERR SIG_ERR
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/* TODO: POSIX specifies a obsolecent SIG_HOLD here. */
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union sigval
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{
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int sival_int;
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void* sival_ptr;
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};
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struct sigevent
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{
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int sigev_notify;
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int sigev_signo;
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union sigval sigev_value;
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void (*sigev_notify_function)(union sigval);
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/*pthread_attr_t* sigev_notify_attributes;*/
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};
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#define SIGEV_NONE 0
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#define SIGEV_SIGNAL 1
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#define SIGEV_THREAD 2
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/* TODO: SIGRTMIN */
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/* TODO: SIGRTMAX */
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typedef struct
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{
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int si_signo;
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int si_code;
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int si_errno;
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pid_t si_pid;
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uid_t si_uid;
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void* si_addr;
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int si_status;
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union sigval si_value;
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} siginfo_t;
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#define ILL_ILLOPC 1
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#define ILL_ILLOPN 2
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#define ILL_ILLADR 3
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#define ILL_ILLTRP 4
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#define ILL_PRVOPC 5
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#define ILL_PRVREG 6
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#define ILL_COPROC 7
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#define ILL_BADSTK 8
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#define FPE_INTDIV 9
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#define FPE_INTOVF 10
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#define FPE_FLTDIV 11
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#define FPE_FLTOVF 12
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#define FPE_FLTUND 13
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#define FPE_FLTRES 14
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#define FPE_FLTINV 15
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#define FPE_FLTSUB 16
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#define SEGV_MAPERR 17
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#define SEGV_ACCERR 18
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#define BUS_ADRALN 19
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#define BUS_ADRERR 20
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#define BUS_OBJERR 21
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#define TRAP_BRKPT 22
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#define TRAP_TRACE 23
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#define CLD_EXITED 24
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#define CLD_KILLED 25
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#define CLD_DUMPED 26
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#define CLD_TRAPPED 27
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#define CLD_STOPPED 29
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#define CLD_CONTINUED 30
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#define SI_USER 31
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#define SI_QUEUE 32
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#define SI_TIMER 33
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#define SI_ASYNCIO 34
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#define SI_MSGQ 35
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struct sigaction
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{
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void (*sa_handler)(int);
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void (*sa_sigaction)(int, siginfo_t*, void*);
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sigset_t sa_mask;
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int sa_flags;
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};
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#define SA_NOCLDSTOP (1<<0)
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#define SA_ONSTACK (1<<1)
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#define SA_RESETHAND (1<<2)
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#define SA_RESTART (1<<3)
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#define SA_SIGINFO (1<<4)
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#define SA_NOCLDWAIT (1<<5)
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#define SA_NODEFER (1<<6)
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#define SS_ONSTACK (1<<7)
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#define SS_DISABLE (1<<8)
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/* TODO: MINSIGSTKSZ */
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/* TODO: SIGSTKSZ */
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/* TODO: mcontext_t */
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typedef int mcontext_t;
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typedef struct
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{
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void* ss_sp;
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size_t ss_size;
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int ss_flags;
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} stack_t;
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typedef struct __ucontext ucontext_t;
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struct __ucontext
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{
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ucontext_t* uc_link;
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sigset_t uc_sigmask;
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stack_t uc_stack;
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mcontext_t uc_mcontext;
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};
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int kill(pid_t, int);
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int killpg(pid_t, int);
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void psiginfo(const siginfo_t*, const char*);
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void psignal(int, const char*);
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int pthread_sigmask(int, const sigset_t* __restrict, sigset_t* __restrict);
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int raise(int sig);
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int sigaction(int, const struct sigaction* __restrict, struct sigaction* __restrict);
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int sigaddset(sigset_t*, int);
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int sigaltstack(const stack_t* __restrict, stack_t* __restrict);
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int sigdelset(sigset_t*, int);
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int sigemptyset(sigset_t*);
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int sigfillset(sigset_t*);
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/* TODO: sighold (obsolescent XSI). */
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/* TODO: sigignore (obsolescent XSI). */
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/* TODO: siginterrupt (obsolescent XSI). */
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int sigismember(const sigset_t*, int);
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sighandler_t signal(int, sighandler_t);
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/* TODO: sigpause (obsolescent XSI). */
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int sigpending(sigset_t*);
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int sigprocmask(int, const sigset_t* __restrict, sigset_t* __restrict);
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int sigqueue(pid_t, int, const union sigval);
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/* TODO: sigrelse (obsolescent XSI). */
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/* TODO: sigset (obsolescent XSI). */
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int sigsuspend(const sigset_t*);
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int sigtimedwait(const sigset_t* __restrict, siginfo_t* __restrict,
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const struct timespec* __restrict);
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int sigwait(const sigset_t* __restrict, int* __restrict);
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int sigwaitinfo(const sigset_t* __restrict, siginfo_t* vrestrict);
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__END_DECLS
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@ -74,6 +74,10 @@ __BEGIN_DECLS
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#define SIG_PRIO_KILL 4
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#define SIG_NUM_LEVELS 5
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#define SIG_BLOCK 0
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#define SIG_UNBLOCK 1
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#define SIG_SETMASK 2
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__END_DECLS
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#endif
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