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// -*- C++ -*-
// $Id$
#include "ace/OS_NS_macros.h"
#include "ace/OS_NS_errno.h"
ACE_INLINE int
ACE_OS::kill (pid_t pid, int signum)
{
ACE_OS_TRACE ("ACE_OS::kill");
#if defined (ACE_WIN32) || defined (CHORUS) || defined (ACE_PSOS)
ACE_UNUSED_ARG (pid);
ACE_UNUSED_ARG (signum);
ACE_NOTSUP_RETURN (-1);
#else
ACE_OSCALL_RETURN (::kill (pid, signum), int, -1);
#endif /* ACE_WIN32 || CHORUS || ACE_PSOS */
}
ACE_INLINE int
ACE_OS::pthread_sigmask (int how, const sigset_t *nsp, sigset_t *osp)
{
#if defined (ACE_HAS_PTHREADS_STD) && !defined (ACE_LACKS_PTHREAD_SIGMASK)
int result;
ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::pthread_sigmask (how, nsp, osp),
result),
int,
-1);
#else /* !ACE_HAS_PTHREADS_STD && !ACE_LACKS_PTHREAD_SIGMASK */
ACE_UNUSED_ARG (how);
ACE_UNUSED_ARG (nsp);
ACE_UNUSED_ARG (osp);
ACE_NOTSUP_RETURN (-1);
#endif /* ACE_HAS_PTHREADS_STD && !ACE_LACKS_PTHREAD_SIGMASK */
}
ACE_INLINE int
ACE_OS::sigaction (int signum,
const struct sigaction *nsa,
struct sigaction *osa)
{
ACE_OS_TRACE ("ACE_OS::sigaction");
if (signum == 0)
return 0;
#if defined (ACE_WIN32) && !defined (ACE_HAS_WINCE)
struct sigaction sa;
if (osa == 0)
osa = &sa;
if (nsa == 0)
{
osa->sa_handler = ::signal (signum, SIG_IGN);
::signal (signum, osa->sa_handler);
}
else
osa->sa_handler = ::signal (signum, nsa->sa_handler);
return osa->sa_handler == SIG_ERR ? -1 : 0;
#elif defined (CHORUS) || defined (ACE_HAS_WINCE) || defined(ACE_PSOS)
ACE_UNUSED_ARG (signum);
ACE_UNUSED_ARG (nsa);
ACE_UNUSED_ARG (osa);
ACE_NOTSUP_RETURN (-1);
#elif !defined (ACE_HAS_SIGACTION_CONSTP2)
ACE_OSCALL_RETURN (::sigaction (signum,
const_cast<struct sigaction*> (nsa),
osa),
int, -1);
#else
ACE_OSCALL_RETURN (::sigaction (signum, nsa, osa), int, -1);
#endif /* ACE_WIN32 !ACE_HAS_WINCE */
}
ACE_INLINE int
ACE_OS::sigaddset (sigset_t *s, int signum)
{
ACE_OS_TRACE ("ACE_OS::sigaddset");
#if defined (ACE_LACKS_SIGSET) || defined (ACE_LACKS_SIGSET_DEFINITIONS)
if (s == 0)
{
errno = EFAULT;
return -1;
}
else if (signum < 1 || signum >= ACE_NSIG)
{
errno = EINVAL;
return -1; // Invalid signum, return error
}
# if defined (ACE_PSOS) && defined (__DIAB) && ! defined(ACE_PSOS_DIAB_MIPS) && !defined (ACE_PSOS_DIAB_PPC)
// treat 0th u_long of sigset_t as high bits,
// and 1st u_long of sigset_t as low bits.
if (signum <= ACE_BITS_PER_ULONG)
s->s[1] |= (1 << (signum - 1));
else
s->s[0] |= (1 << (signum - ACE_BITS_PER_ULONG - 1));
# else
*s |= (1 << (signum - 1)) ;
# endif /* defined (ACE_PSOS) && defined (__DIAB) */
return 0 ;
#else
ACE_OSCALL_RETURN (::sigaddset (s, signum), int, -1);
#endif /* ACE_LACKS_SIGSET || ACE_LACKS_SIGSET_DEFINITIONS */
}
ACE_INLINE int
ACE_OS::sigdelset (sigset_t *s, int signum)
{
#if defined (ACE_LACKS_SIGSET) || defined (ACE_LACKS_SIGSET_DEFINITIONS)
if (s == 0)
{
errno = EFAULT;
return -1;
}
else if (signum < 1 || signum >= ACE_NSIG)
{
errno = EINVAL;
return -1; // Invalid signum, return error
}
# if defined (ACE_PSOS) && defined (__DIAB) && ! defined (ACE_PSOS_DIAB_MIPS) && !defined (ACE_PSOS_DIAB_PPC)
// treat 0th u_long of sigset_t as high bits,
// and 1st u_long of sigset_t as low bits.
if (signum <= ACE_BITS_PER_ULONG)
s->s[1] &= ~(1 << (signum - 1));
else
s->s[0] &= ~(1 << (signum - ACE_BITS_PER_ULONG - 1));
# else
*s &= ~(1 << (signum - 1)) ;
# endif /* defined (ACE_PSOS) && defined (__DIAB) */
return 0;
#else
ACE_OSCALL_RETURN (::sigdelset (s, signum), int, -1);
#endif /* ACE_LACKS_SIGSET || ACE_LACKS_SIGSET_DEFINITIONS */
}
ACE_INLINE int
ACE_OS::sigemptyset (sigset_t *s)
{
#if defined (ACE_LACKS_SIGSET) || defined (ACE_LACKS_SIGSET_DEFINITIONS)
if (s == 0)
{
errno = EFAULT;
return -1;
}
# if defined (ACE_PSOS) && defined (__DIAB) && ! defined (ACE_PSOS_DIAB_MIPS) && !defined (ACE_PSOS_DIAB_PPC)
s->s[0] = 0;
s->s[1] = 0;
# else
*s = 0 ;
# endif /* defined (ACE_PSOS) && defined (__DIAB) */
return 0 ;
#else
ACE_OSCALL_RETURN (::sigemptyset (s), int, -1);
#endif /* ACE_LACKS_SIGSET || ACE_LACKS_SIGSET_DEFINITIONS */
}
ACE_INLINE int
ACE_OS::sigfillset (sigset_t *s)
{
#if defined (ACE_LACKS_SIGSET) || defined (ACE_LACKS_SIGSET_DEFINITIONS)
if (s == 0)
{
errno = EFAULT;
return -1;
}
# if defined (ACE_PSOS) && defined (__DIAB) && ! defined (ACE_PSOS_DIAB_MIPS) && !defined (ACE_PSOS_DIAB_PPC)
s->s[0] = ~(u_long) 0;
s->s[1] = ~(u_long) 0;
# else
*s = ~(sigset_t) 0;
# endif /* defined (ACE_PSOS) && defined (__DIAB) */
return 0 ;
#else
ACE_OSCALL_RETURN (::sigfillset (s), int, -1);
#endif /* ACE_LACKS_SIGSET || ACE_LACKS_SIGSET_DEFINITIONS */
}
ACE_INLINE int
ACE_OS::sigismember (sigset_t *s, int signum)
{
#if defined (ACE_LACKS_SIGSET) || defined (ACE_LACKS_SIGSET_DEFINITIONS)
if (s == 0)
{
errno = EFAULT;
return -1;
}
else if (signum < 1 || signum >= ACE_NSIG)
{
errno = EINVAL;
return -1; // Invalid signum, return error
}
# if defined (ACE_PSOS) && defined (__DIAB) && ! defined (ACE_PSOS_DIAB_MIPS) && !defined (ACE_PSOS_DIAB_PPC)
// treat 0th u_long of sigset_t as high bits,
// and 1st u_long of sigset_t as low bits.
if (signum <= ACE_BITS_PER_ULONG)
return ((s->s[1] & (1 << (signum - 1))) != 0);
else
return ((s->s[0] & (1 << (signum - ACE_BITS_PER_ULONG - 1))) != 0);
# else
return ((*s & (1 << (signum - 1))) != 0) ;
# endif /* defined (ACE_PSOS) && defined (__DIAB) */
#else
# if defined (ACE_HAS_SIGISMEMBER_BUG)
if (signum < 1 || signum >= ACE_NSIG)
{
errno = EINVAL;
return -1; // Invalid signum, return error
}
# endif /* ACE_HAS_SIGISMEMBER_BUG */
ACE_OSCALL_RETURN (::sigismember (s, signum), int, -1);
#endif /* ACE_LACKS_SIGSET || ACE_LACKS_SIGSET_DEFINITIONS */
}
ACE_INLINE ACE_SignalHandler
ACE_OS::signal (int signum, ACE_SignalHandler func)
{
if (signum == 0)
return 0;
else
#if defined (ACE_PSOS) && !defined (ACE_PSOS_TM) && !defined (ACE_PSOS_DIAB_MIPS) && !defined (ACE_PSOS_DIAB_PPC)
return (ACE_SignalHandler) ::signal (signum, (void (*)(void)) func);
#elif defined (ACE_PSOS_DIAB_MIPS) || defined (ACE_PSOS_DIAB_PPC)
return 0;
#elif defined (ACE_PSOS_TM)
// @@ It would be good to rework this so the ACE_PSOS_TM specific
// branch is not needed, but prying it out of ACE_LACKS_UNIX_SIGNALS
// will take some extra work - deferred for now.
return (ACE_SignalHandler) ::signal (signum, (void (*)(int)) func);
#elif defined (ACE_WIN32) && !defined (ACE_HAS_WINCE) || !defined (ACE_LACKS_UNIX_SIGNALS)
# if !defined (ACE_HAS_TANDEM_SIGNALS) && !defined (ACE_HAS_LYNXOS_SIGNALS)
return ::signal (signum, func);
# else
return (ACE_SignalHandler) ::signal (signum, (void (*)(int)) func);
# endif /* !ACE_HAS_TANDEM_SIGNALS */
#else
// @@ WINCE: Don't know how to implement signal on WinCE (yet.)
ACE_UNUSED_ARG (signum);
ACE_UNUSED_ARG (func);
ACE_NOTSUP_RETURN (0); // Should return SIG_ERR but it is not defined on WinCE.
#endif /* ACE_PSOS && !ACE_PSOS_TM && !ACE_PSOS_DIAB_MIPS && !ACE_PSOS_DIAB_PPC */
}
ACE_INLINE int
ACE_OS::sigprocmask (int how, const sigset_t *nsp, sigset_t *osp)
{
#if defined (ACE_LACKS_SIGSET) || defined (ACE_LACKS_SIGSET_DEFINITIONS)
ACE_UNUSED_ARG (how);
ACE_UNUSED_ARG (nsp);
ACE_UNUSED_ARG (osp);
ACE_NOTSUP_RETURN (-1);
#else
ACE_OSCALL_RETURN (::sigprocmask (how, nsp, osp), int, -1);
#endif /* ACE_LACKS_SIGSET || ACE_LACKS_SIGSET_DEFINITIONS */
}
ACE_INLINE int
ACE_OS::sigsuspend (const sigset_t *sigset)
{
#if defined (ACE_HAS_SIGSUSPEND)
sigset_t s;
if (sigset == 0)
{
sigset = &s;
ACE_OS::sigemptyset (&s);
}
ACE_OSCALL_RETURN (::sigsuspend (sigset), int, -1);
#else
ACE_UNUSED_ARG (sigset);
ACE_NOTSUP_RETURN (-1);
#endif /* ACE_HAS_SIGSUSPEND */
}
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