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#ifndef XTHREAD_H_
#define XTHREAD_H_
/* whether word reads are potentially non-atomic.
* this is conservatice, likely most arches this runs
* on have atomic word read/writes.
*/
#ifndef WORDACCESS_UNSAFE
# if __i386 || __x86_64
# define WORDACCESS_UNSAFE 0
# else
# define WORDACCESS_UNSAFE 1
# endif
#endif
/////////////////////////////////////////////////////////////////////////////
#ifdef _WIN32
typedef int ssize_t;
#define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls
#define _WIN32_WINNT 0x400
#include <stdio.h>//D
#include <fcntl.h>
#include <io.h>
#include <time.h>
#include <winsock2.h>
#include <process.h>
#include <windows.h>
#include <pthread.h>
#define sigset_t int
#define sigfillset(a)
#define pthread_sigmask(a,b,c)
#define sigaddset(a,b)
#define sigemptyset(s)
#define sigfillset(s)
typedef pthread_mutex_t mutex_t;
#define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
#define X_LOCK(mutex) pthread_mutex_lock (&(mutex))
#define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
typedef pthread_cond_t cond_t;
#define X_COND_INIT PTHREAD_COND_INITIALIZER
#define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond))
#define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex))
#define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to))
typedef pthread_t thread_t;
#define X_THREAD_PROC(name) void *name (void *thr_arg)
#define X_THREAD_ATFORK(a,b,c)
static int
thread_create (thread_t *tid, void *(*proc)(void *), void *arg)
{
int retval;
pthread_attr_t attr;
pthread_attr_init (&attr);
pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
retval = pthread_create (tid, &attr, proc, arg) == 0;
pthread_attr_destroy (&attr);
return retval;
}
#define respipe_read(a,b,c) PerlSock_recv ((a), (b), (c), 0)
#define respipe_write(a,b,c) send ((a), (b), (c), 0)
#define respipe_close(a) PerlSock_closesocket ((a))
#else
/////////////////////////////////////////////////////////////////////////////
#if __linux && !defined(_GNU_SOURCE)
# define _GNU_SOURCE
#endif
/* just in case */
#define _REENTRANT 1
#if __solaris
# define _POSIX_PTHREAD_SEMANTICS 1
/* try to bribe solaris headers into providing a current pthread API
* despite environment being configured for an older version.
*/
# define __EXTENSIONS__ 1
#endif
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <limits.h>
#include <pthread.h>
typedef pthread_mutex_t mutex_t;
#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
# define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
#else
# define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
#endif
#define X_LOCK(mutex) pthread_mutex_lock (&(mutex))
#define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
typedef pthread_cond_t cond_t;
#define X_COND_INIT PTHREAD_COND_INITIALIZER
#define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond))
#define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex))
#define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to))
typedef pthread_t thread_t;
#define X_THREAD_PROC(name) static void *name (void *thr_arg)
#define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child)
// the broken bsd's once more
#ifndef PTHREAD_STACK_MIN
# define PTHREAD_STACK_MIN 0
#endif
static int
thread_create (thread_t *tid, void *(*proc)(void *), void *arg)
{
int retval;
sigset_t fullsigset, oldsigset;
pthread_attr_t attr;
pthread_attr_init (&attr);
pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096
? sizeof (long) * 4096 : PTHREAD_STACK_MIN);
#ifdef PTHREAD_SCOPE_PROCESS
pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
#endif
sigfillset (&fullsigset);
pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
retval = pthread_create (tid, &attr, proc, arg) == 0;
pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
pthread_attr_destroy (&attr);
return retval;
}
#define respipe_read(a,b,c) read ((a), (b), (c))
#define respipe_write(a,b,c) write ((a), (b), (c))
#define respipe_close(a) close ((a))
#endif
#endif
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