Forward declare <signal.h> API.

libc/include/signal.h

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

sortix/include/sortix/signal.h

@@ -74,6 +74,10 @@ __BEGIN_DECLS
 #define SIG_PRIO_KILL 4
 #define SIG_NUM_LEVELS 5
 
+#define SIG_BLOCK 0
+#define SIG_UNBLOCK 1
+#define SIG_SETMASK 2
+
 __END_DECLS
 
 #endif