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o Move forward declaration for struct timespec to a more appropriate

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location.
o Don't prototype functions for which we don't have an implementation.
o Add forward declaration for struct __ucontext, previously this was
  forward declared in <sys/signal.h>.
o Add a comment about the size of NSIG.

PR:		35924
Submitted by:	bde
This commit is contained in:
Mike Barcroft 2002-10-14 14:13:37 +00:00
parent 5f0aea5ca5
commit ed583c2855
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=105107
1 changed files with 14 additions and 2 deletions
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16
include/signal.h
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@ -43,6 +43,10 @@
#include <sys/signal.h>
#if __BSD_VISIBLE
/*
* XXX should enlarge these, if only to give empty names instead of bounds
* errors for large signal numbers.
*/
extern __const char *__const sys_signame[NSIG];
extern __const char *__const sys_siglist[NSIG];
extern __const int sys_nsig;
@ -56,8 +60,6 @@ typedef __pid_t pid_t;
#endif
__BEGIN_DECLS
struct timespec;
int raise(int);
#if __POSIX_VISIBLE || __XSI_VISIBLE
@ -76,11 +78,20 @@ int sigwait(const sigset_t * __restrict, int * __restrict);
#endif
#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 600
#if 0
/*
* PR: 35924
* XXX we don't actually have these. We set _POSIX_REALTIME_SIGNALS to
* -1 to show that we don't have them, but this symbol is not necessarily
* in scope (in the current implementation), so we can't use it here.
*/
int sigqueue(__pid_t, int, const union sigval);
struct timespec;
int sigtimedwait(const sigset_t * __restrict, siginfo_t * __restrict,
const struct timespec * __restrict);
int sigwaitinfo(const sigset_t * __restrict, siginfo_t * __restrict);
#endif
#endif
#if __XSI_VISIBLE
int killpg(__pid_t, int);
@ -94,6 +105,7 @@ int siginterrupt(int, int);
#if __BSD_VISIBLE
int sigblock(int);
struct __ucontext; /* XXX spec requires a complete declaration. */
int sigreturn(const struct __ucontext *);
int sigsetmask(int);
int sigstack(const struct sigstack *, struct sigstack *);