#include <bits/alltypes.h>
-#define SIG_HOLD ((void (*)(int)) 2)
-
#define SIG_BLOCK 0
#define SIG_UNBLOCK 1
#define SIG_SETMASK 2
#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 CLD_STOPPED 5
#define CLD_CONTINUED 6
-typedef struct sigaltstack stack_t;
-
union sigval {
int sival_int;
void *sival_ptr;
#define POLL_HUP 6
#define SS_ONSTACK 1
#define SS_DISABLE 2
-#define MINSIGSTKSZ 2048
-#define SIGSTKSZ 8192
#endif
#if defined(_BSD_SOURCE) || defined(_GNU_SOURCE)
#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)