[fusl] Update fusl

fusl/include/signal.h

 #ifndef _SIGNAL_H
 #define _SIGNAL_H
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
 #include <features.h>
 
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  || defined(_BSD_SOURCE)
 
 #ifdef _GNU_SOURCE
 #define __ucontext ucontext
 #endif
 
 #define __NEED_size_t
 #define __NEED_pid_t
 #define __NEED_uid_t
 #define __NEED_struct_timespec
 #define __NEED_pthread_t
 #define __NEED_pthread_attr_t
 #define __NEED_time_t
 #define __NEED_clock_t
 #define __NEED_sigset_t
 
 #include <bits/alltypes.h>
 
-#define SIG_HOLD ((void (*)(int)) 2)
-
 #define SIG_BLOCK     0
 #define SIG_UNBLOCK   1
 #define SIG_SETMASK   2
 
 #define SI_ASYNCNL (-60)
 #define SI_TKILL (-6)
 #define SI_SIGIO (-5)
 #define SI_ASYNCIO (-4)
 #define SI_MESGQ (-3)
 #define SI_TIMER (-2)
 #define SI_QUEUE (-1)
 #define SI_USER 0
 #define SI_KERNEL 128
 
+typedef struct sigaltstack stack_t;
+
+#endif
+
+#include <bits/signal.h>
+
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
+ || defined(_BSD_SOURCE)
+
+#define SIG_HOLD ((void (*)(int)) 2)
+
 #define FPE_INTDIV 1
 #define FPE_INTOVF 2
 #define FPE_FLTDIV 3
 #define FPE_FLTOVF 4
 #define FPE_FLTUND 5
 #define FPE_FLTRES 6
 #define FPE_FLTINV 7
 #define FPE_FLTSUB 8
 
 #define ILL_ILLOPC 1
@@ skipping 15 matching lines @@
 #define BUS_MCEERR_AR 4
 #define BUS_MCEERR_AO 5
 
 #define CLD_EXITED 1
 #define CLD_KILLED 2
 #define CLD_DUMPED 3
 #define CLD_TRAPPED 4
 #define CLD_STOPPED 5
 #define CLD_CONTINUED 6
 
-typedef struct sigaltstack stack_t;
-
 union sigval {
         int sival_int;
         void *sival_ptr;
 };
 
 typedef struct {
+#ifdef __SI_SWAP_ERRNO_CODE
+        int si_signo, si_code, si_errno;
+#else
         int si_signo, si_errno, si_code;
+#endif
         union {
                 char __pad[128 - 2*sizeof(int) - sizeof(long)];
                 struct {
                         union {
                                 struct {
                                         pid_t si_pid;
                                         uid_t si_uid;
                                 } __piduid;
                                 struct {
                                         int si_timerid;
@@ skipping 133 matching lines @@
 typedef void (*sighandler_t)(int);
 void (*bsd_signal(int, void (*)(int)))(int);
 int sigisemptyset(const sigset_t *);
 int sigorset (sigset_t *, const sigset_t *, const sigset_t *);
 int sigandset(sigset_t *, const sigset_t *, const sigset_t *);
 
 #define SA_NOMASK SA_NODEFER
 #define SA_ONESHOT SA_RESETHAND
 #endif
 
-#include <bits/signal.h>
-
 #define SIG_ERR  ((void (*)(int))-1)
 #define SIG_DFL  ((void (*)(int)) 0)
 #define SIG_IGN  ((void (*)(int)) 1)
 
 typedef int sig_atomic_t;
 
 void (*signal(int, void (*)(int)))(int);
 int raise(int);
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif