diff options
Diffstat (limited to 'sys/sys/signal.h')
| -rw-r--r-- | sys/sys/signal.h | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/sys/sys/signal.h b/sys/sys/signal.h index 259c39aed4f9..ab8fcf48647a 100644 --- a/sys/sys/signal.h +++ b/sys/sys/signal.h @@ -354,18 +354,10 @@ typedef void __siginfohandler_t(int, struct __siginfo *, void *); #endif #if __XSI_VISIBLE -/* - * Structure used in sigaltstack call. - */ #if __BSD_VISIBLE -typedef struct sigaltstack { -#else -typedef struct { +#define __stack_t sigaltstack #endif - void *ss_sp; /* signal stack base */ - __size_t ss_size; /* signal stack length */ - int ss_flags; /* SS_DISABLE and/or SS_ONSTACK */ -} stack_t; +typedef struct __stack_t stack_t; #define SS_ONSTACK 0x0001 /* take signal on alternate stack */ #define SS_DISABLE 0x0004 /* disable taking signals on alternate stack */ @@ -373,6 +365,17 @@ typedef struct { #define SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended stack size */ #endif +/* + * Structure used in sigaltstack call. Its definition is always + * needed for __ucontext. If __BSD_VISIBLE is defined, the structure + * tag is actually sigaltstack. + */ +struct __stack_t { + void *ss_sp; /* signal stack base */ + __size_t ss_size; /* signal stack length */ + int ss_flags; /* SS_DISABLE and/or SS_ONSTACK */ +}; + #if __BSD_VISIBLE /* * 4.3 compatibility: |