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// -*- C++ -*-
#include "ace/OS_NS_macros.h"
#include "ace/OS_NS_errno.h"
#include "ace/os_include/os_pthread.h"
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE_OS
{
ACE_INLINE int
kill (pid_t pid, int signum)
{
ACE_OS_TRACE ("ACE_OS::kill");
#if defined (ACE_LACKS_KILL)
ACE_UNUSED_ARG (pid);
ACE_UNUSED_ARG (signum);
ACE_NOTSUP_RETURN (-1);
#elif defined (ACE_VXWORKS)
/*
* The VxWorks kill interface is not really POSIX
* since they use a task id in place of a pid type.
* This only becomes an issue when using the 64bit compiler
* as the TASK_ID is no longer defined as an int.
*/
ACE_OSCALL_RETURN (::kill ((ACE_VX_TASK_ID)pid, signum), int, -1);
#else
ACE_OSCALL_RETURN (::kill (pid, signum), int, -1);
#endif /* ACE_LACKS_KILL */
}
ACE_INLINE int
pthread_sigmask (int how, const sigset_t *nsp, sigset_t *osp)
{
#if defined (ACE_HAS_PTHREADS) && !defined (ACE_LACKS_PTHREAD_SIGMASK)
int result;
# ifdef ACE_PTHREAD_SIGMASK_MACRO
ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (ACE_PTHREAD_SIGMASK_MACRO (how, nsp, osp)
, result), int, -1);
# elif defined (ACE_HAS_NONCONST_PTHREAD_SIGMASK)
sigset_t *ncnsp = const_cast<sigset_t *>(nsp);
ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::pthread_sigmask (how, ncnsp, osp),
result),
int,
-1);
# else
ACE_OSCALL_RETURN (ACE_ADAPT_RETVAL (::pthread_sigmask (how, nsp, osp),
result),
int,
-1);
# endif /* ACE_HAS_NONCONST__PTHREAD_SIGMASK */
#else /* !ACE_HAS_PTHREADS && !ACE_LACKS_PTHREAD_SIGMASK */
ACE_UNUSED_ARG (how);
ACE_UNUSED_ARG (nsp);
ACE_UNUSED_ARG (osp);
ACE_NOTSUP_RETURN (-1);
#endif /* ACE_HAS_PTHREADS && !ACE_LACKS_PTHREAD_SIGMASK */
}
ACE_INLINE int
sigaction (int signum, const ACE_SIGACTION *nsa, ACE_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 (ACE_LACKS_SIGACTION)
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<ACE_SIGACTION*> (nsa),
osa),
int, -1);
#else
ACE_OSCALL_RETURN (::sigaction (signum, nsa, osa), int, -1);
#endif /* ACE_WIN32 !ACE_HAS_WINCE */
}
ACE_INLINE int
sigaddset (sigset_t *s, int signum)
{
ACE_OS_TRACE ("ACE_OS::sigaddset");
#if defined (ACE_LACKS_SIGSET)
if (s == 0)
{
errno = EFAULT;
return -1;
}
else if (signum < 1 || signum >= ACE_NSIG)
{
errno = EINVAL;
return -1; // Invalid signum, return error
}
*s |= (1 << (signum - 1)) ;
return 0 ;
#else
return ace_sigaddset_helper (s, signum);
#endif /* ACE_LACKS_SIGSET */
}
ACE_INLINE int
sigdelset (sigset_t *s, int signum)
{
#if defined (ACE_LACKS_SIGSET)
if (s == 0)
{
errno = EFAULT;
return -1;
}
else if (signum < 1 || signum >= ACE_NSIG)
{
errno = EINVAL;
return -1; // Invalid signum, return error
}
*s &= ~(1 << (signum - 1)) ;
return 0;
#else
return ace_sigdelset_helper (s, signum);
#endif /* ACE_LACKS_SIGSET */
}
ACE_INLINE int
sigemptyset (sigset_t *s)
{
#if defined (ACE_LACKS_SIGSET)
if (s == 0)
{
errno = EFAULT;
return -1;
}
*s = 0 ;
return 0;
#else
return ace_sigemptyset_helper (s);
#endif /* ACE_LACKS_SIGSET */
}
ACE_INLINE int
sigfillset (sigset_t *s)
{
#if defined (ACE_LACKS_SIGSET)
if (s == 0)
{
errno = EFAULT;
return -1;
}
*s = ~(sigset_t) 0;
return 0 ;
#else
return ace_sigfillset_helper (s);
#endif /* ACE_LACKS_SIGSET */
}
ACE_INLINE int
sigismember (sigset_t *s, int signum)
{
#if defined (ACE_LACKS_SIGSET)
if (s == 0)
{
errno = EFAULT;
return -1;
}
else if (signum < 1 || signum >= ACE_NSIG)
{
errno = EINVAL;
return -1; // Invalid signum, return error
}
return ((*s & (1 << (signum - 1))) != 0) ;
#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 */
return ace_sigismember_helper (s, signum);
#endif /* ACE_LACKS_SIGSET */
}
ACE_INLINE ACE_SignalHandler
signal (int signum, ACE_SignalHandler func)
{
if (signum == 0)
return 0;
else
{
#if (defined ACE_WIN32 && !defined ACE_HAS_WINCE) || \
(!defined ACE_LACKS_UNIX_SIGNALS && !defined ACE_LACKS_SIGNAL)
# if !defined (ACE_HAS_TANDEM_SIGNALS) && !defined (ACE_HAS_LYNXOS4_SIGNALS)
return ::signal (signum, func);
# else
return (ACE_SignalHandler) ::signal (signum, (void (*)(int)) func);
# endif /* !ACE_HAS_TANDEM_SIGNALS && !ACE_HAS_LYNXOS4_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 /* defined (ACE_WIN32) && !defined (ACE_HAS_WINCE) || !defined (ACE_LACKS_UNIX_SIGNALS) */
}
}
ACE_INLINE int
sigprocmask (int how, const sigset_t *nsp, sigset_t *osp)
{
#if defined (ACE_LACKS_SIGSET) || defined (ACE_LACKS_SIGSET_DEFINITIONS) || defined (ACE_LACKS_SIGPROCMASK)
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_LACKS_SIGPROCMASK */
}
ACE_INLINE int
sigsuspend (const sigset_t *s)
{
#if defined (ACE_HAS_SIGSUSPEND)
sigset_t sigset;
if (s == 0)
{
ACE_OS::sigemptyset (&sigset);
s = &sigset;
}
return ace_sigsuspend_helper (s);
#else
ACE_UNUSED_ARG (s);
ACE_NOTSUP_RETURN (-1);
#endif /* ACE_HAS_SIGSUSPEND */
}
ACE_INLINE int
raise (const int signum)
{
#if defined (ACE_LACKS_RAISE)
ACE_UNUSED_ARG (signum);
ACE_NOTSUP_RETURN (-1);
#else
ACE_OSCALL_RETURN (::raise (signum), int, -1);
#endif /* ACE_LACKS_RAISE */
}
} /* end namespace ACE_OS */
ACE_END_VERSIONED_NAMESPACE_DECL
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