xnu-3248.60.10.tar.gz

[apple/xnu.git] / bsd / sys / signalvar.h

diff --git a/bsd/sys/signalvar.h b/bsd/sys/signalvar.h
index 1597c85ff08fc27f7087ad1886a35dda5d4a7da0..6d8488807f6c75a8d2858d99b5488c4203cee1fe 100644 (file)
--- a/bsd/sys/signalvar.h
+++ b/bsd/sys/signalvar.h
@@ -87,7 +87,7 @@ struct        sigacts {
        sigset_t ps_siginfo;            /* signals that want SA_SIGINFO args */
        sigset_t ps_oldmask;            /* saved mask from before sigpause */
        int     ps_flags;               /* signal flags, below */
-       struct user_sigaltstack ps_sigstk;      /* sp, length & flags */
+       struct kern_sigaltstack ps_sigstk;      /* sp, length & flags */
        int     ps_sig;                 /* for core dump/debugger XXX */
        int     ps_code;                /* for core dump/debugger XXX */
        int     ps_addr;                /* for core dump/debugger XXX */
@@ -104,9 +104,9 @@ struct      sigacts {
  * values should be non-intersecting with values defined in signal.h, e.g.:
  * SIG_IGN, SIG_DFL, SIG_ERR, SIG_IGN.
  */
-#define        KERN_SIG_CATCH  (void (*)(int))2
-#define        KERN_SIG_HOLD   (void (*)(int))3
-#define        KERN_SIG_WAIT   (void (*)(int))4
+#define        KERN_SIG_CATCH  CAST_USER_ADDR_T(2)
+#define        KERN_SIG_HOLD   CAST_USER_ADDR_T(3)
+#define        KERN_SIG_WAIT   CAST_USER_ADDR_T(4)
 
 /*
  * get signal action for process and signal; currently only for current process
@@ -188,28 +188,34 @@ int sigprop[NSIG + 1] = {
 
 #define        sigcantmask     (sigmask(SIGKILL) | sigmask(SIGSTOP))
 
+#define SIGRESTRICTMASK (sigmask(SIGILL) | sigmask(SIGTRAP) | sigmask(SIGABRT) | \
+                         sigmask(SIGFPE) | sigmask(SIGBUS)  | sigmask(SIGSEGV) | \
+                         sigmask(SIGSYS))
+
+extern unsigned sigrestrict_arg;
+
 /*
  * Machine-independent functions:
  */
-int    coredump(struct proc *p);
+
 void   execsigs(struct proc *p, thread_t thread);
 void   gsignal(int pgid, int sig);
-int    issignal(struct proc *p);
+int    issignal_locked(struct proc *p);
 int    CURSIG(struct proc *p);
-int clear_procsiglist(struct proc *p, int bit);
-int clear_procsigmask(struct proc *p, int bit);
+int clear_procsiglist(struct proc *p, int bit, int in_signalstart);
 int set_procsigmask(struct proc *p, int bit);
-void   postsig(int sig);
-void   siginit(struct proc *p) __attribute__((section("__TEXT, initcode")));
+void   postsig_locked(int sig);
+void   siginit(struct proc *p);
 void   trapsignal(struct proc *p, int sig, unsigned code);
 void   pt_setrunnable(struct proc *p);
 int    hassigprop(int sig, int prop);
+int setsigvec(proc_t, thread_t, int signum, struct __kern_sigaction *, boolean_t in_sigstart);
 
 /*
  * Machine-dependent functions:
  */
 void   sendsig(struct proc *, /*sig_t*/ user_addr_t  action, int sig,
-       int returnmask, u_long code);
+       int returnmask, uint32_t code);
 
 void   psignal(struct proc *p, int sig);
 void   psignal_locked(struct proc *, int);
@@ -220,9 +226,6 @@ void        threadsignal(thread_t sig_actthread, int signum,
 int    thread_issignal(proc_t p, thread_t th, sigset_t mask);
 void   psignal_vfork(struct proc *p, task_t new_task, thread_t thread,
                int signum);
-void   psignal_vtalarm(struct proc *);
-void   psignal_xcpu(struct proc *);
-void   psignal_sigprof(struct proc *);
 void   signal_setast(thread_t sig_actthread);
 void   pgsigio(pid_t pgid, int signalnum);
 
@@ -231,4 +234,17 @@ int sig_try_locked(struct proc *p);
 
 #endif /* BSD_KERNEL_PRIVATE */
 
+
+#ifdef XNU_KERNEL_PRIVATE
+
+/* Functions exported to Mach as well */
+
+#define COREDUMP_IGNORE_ULIMIT  0x0001 /* Ignore the process's core file ulimit. */
+#define COREDUMP_FULLFSYNC      0x0002 /* Run F_FULLFSYNC on the core file's vnode */
+
+int    coredump(struct proc *p, uint32_t reserve_mb, int coredump_flags);
+
+#endif  /* XNU_KERNEL_PRIVATE */
+
+
 #endif /* !_SYS_SIGNALVAR_H_ */