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-rw-r--r--systems/texlive/tlnet/tlpkg/tlperl/lib/CORE/thread.h437
1 files changed, 437 insertions, 0 deletions
diff --git a/systems/texlive/tlnet/tlpkg/tlperl/lib/CORE/thread.h b/systems/texlive/tlnet/tlpkg/tlperl/lib/CORE/thread.h
new file mode 100644
index 0000000000..2603d549f5
--- /dev/null
+++ b/systems/texlive/tlnet/tlpkg/tlperl/lib/CORE/thread.h
@@ -0,0 +1,437 @@
+/* thread.h
+ *
+ * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ * by Larry Wall and others
+ *
+ * You may distribute under the terms of either the GNU General Public
+ * License or the Artistic License, as specified in the README file.
+ *
+ */
+
+#if defined(USE_ITHREADS)
+
+#if defined(VMS)
+#include <builtins.h>
+#endif
+
+#ifdef WIN32
+# include <win32thread.h>
+#elif defined(NETWARE)
+# include <nw5thread.h>
+#else
+# ifdef OLD_PTHREADS_API /* Here be dragons. */
+# define DETACH(t) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_detach(&(t)->self))) { \
+ MUTEX_UNLOCK(&(t)->mutex); \
+ Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } \
+ } STMT_END
+
+# define PERL_GET_CONTEXT Perl_get_context()
+# define PERL_SET_CONTEXT(t) Perl_set_context((void*)t)
+
+# define PTHREAD_GETSPECIFIC_INT
+# ifdef DJGPP
+# define pthread_addr_t any_t
+# define NEED_PTHREAD_INIT
+# define PTHREAD_CREATE_JOINABLE (1)
+# endif
+# ifdef OEMVS
+# define pthread_addr_t void *
+# define pthread_create(t,a,s,d) pthread_create(t,&(a),s,d)
+# define pthread_keycreate pthread_key_create
+# endif
+# ifdef VMS
+# define pthread_attr_init(a) pthread_attr_create(a)
+# define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_setdetach_np(a,s)
+# define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d)
+# define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d))
+# define pthread_mutexattr_init(a) pthread_mutexattr_create(a)
+# define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t)
+# endif
+# if defined(__hpux) && defined(__ux_version) && __ux_version <= 1020
+# define pthread_attr_init(a) pthread_attr_create(a)
+ /* XXX pthread_setdetach_np() missing in DCE threads on HP-UX 10.20 */
+# define PTHREAD_ATTR_SETDETACHSTATE(a,s) (0)
+# define PTHREAD_CREATE(t,a,s,d) pthread_create(t,a,s,d)
+# define pthread_key_create(k,d) pthread_keycreate(k,(pthread_destructor_t)(d))
+# define pthread_mutexattr_init(a) pthread_mutexattr_create(a)
+# define pthread_mutexattr_settype(a,t) pthread_mutexattr_setkind_np(a,t)
+# endif
+# if defined(DJGPP) || defined(OEMVS)
+# define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,&(s))
+# define YIELD pthread_yield(NULL)
+# endif
+# endif
+# if !defined(__hpux) || !defined(__ux_version) || __ux_version > 1020
+# define pthread_mutexattr_default NULL
+# define pthread_condattr_default NULL
+# endif
+#endif
+
+#ifndef PTHREAD_CREATE
+/* You are not supposed to pass NULL as the 2nd arg of PTHREAD_CREATE(). */
+# define PTHREAD_CREATE(t,a,s,d) pthread_create(t,&(a),s,d)
+#endif
+
+#ifndef PTHREAD_ATTR_SETDETACHSTATE
+# define PTHREAD_ATTR_SETDETACHSTATE(a,s) pthread_attr_setdetachstate(a,s)
+#endif
+
+#ifndef PTHREAD_CREATE_JOINABLE
+# ifdef OLD_PTHREAD_CREATE_JOINABLE
+# define PTHREAD_CREATE_JOINABLE OLD_PTHREAD_CREATE_JOINABLE
+# else
+# define PTHREAD_CREATE_JOINABLE 0 /* Panic? No, guess. */
+# endif
+#endif
+
+#ifdef __VMS
+ /* Default is 1024 on VAX, 8192 otherwise */
+# ifdef __ia64
+# define THREAD_CREATE_NEEDS_STACK (48*1024)
+# else
+# define THREAD_CREATE_NEEDS_STACK (32*1024)
+# endif
+#endif
+
+#ifdef I_MACH_CTHREADS
+
+/* cthreads interface */
+
+/* #include <mach/cthreads.h> is in perl.h #ifdef I_MACH_CTHREADS */
+
+#define MUTEX_INIT(m) \
+ STMT_START { \
+ *m = mutex_alloc(); \
+ if (*m) { \
+ mutex_init(*m); \
+ } else { \
+ Perl_croak_nocontext("panic: MUTEX_INIT [%s:%d]", \
+ __FILE__, __LINE__); \
+ } \
+ } STMT_END
+
+#define MUTEX_LOCK(m) mutex_lock(*m)
+#define MUTEX_UNLOCK(m) mutex_unlock(*m)
+#define MUTEX_DESTROY(m) \
+ STMT_START { \
+ mutex_free(*m); \
+ *m = 0; \
+ } STMT_END
+
+#define COND_INIT(c) \
+ STMT_START { \
+ *c = condition_alloc(); \
+ if (*c) { \
+ condition_init(*c); \
+ } \
+ else { \
+ Perl_croak_nocontext("panic: COND_INIT [%s:%d]", \
+ __FILE__, __LINE__); \
+ } \
+ } STMT_END
+
+#define COND_SIGNAL(c) condition_signal(*c)
+#define COND_BROADCAST(c) condition_broadcast(*c)
+#define COND_WAIT(c, m) condition_wait(*c, *m)
+#define COND_DESTROY(c) \
+ STMT_START { \
+ condition_free(*c); \
+ *c = 0; \
+ } STMT_END
+
+#define THREAD_CREATE(thr, f) (thr->self = cthread_fork(f, thr), 0)
+#define THREAD_POST_CREATE(thr) NOOP
+
+#define THREAD_RET_TYPE any_t
+#define THREAD_RET_CAST(x) ((any_t) x)
+
+#define DETACH(t) cthread_detach(t->self)
+#define JOIN(t, avp) (*(avp) = MUTABLE_AV(cthread_join(t->self)))
+
+#define PERL_SET_CONTEXT(t) cthread_set_data(cthread_self(), t)
+#define PERL_GET_CONTEXT cthread_data(cthread_self())
+
+#define INIT_THREADS cthread_init()
+#define YIELD cthread_yield()
+#define ALLOC_THREAD_KEY NOOP
+#define FREE_THREAD_KEY NOOP
+#define SET_THREAD_SELF(thr) (thr->self = cthread_self())
+
+#endif /* I_MACH_CTHREADS */
+
+#ifndef YIELD
+# ifdef SCHED_YIELD
+# define YIELD SCHED_YIELD
+# elif defined(HAS_SCHED_YIELD)
+# define YIELD sched_yield()
+# elif defined(HAS_PTHREAD_YIELD)
+ /* pthread_yield(NULL) platforms are expected
+ * to have #defined YIELD for themselves. */
+# define YIELD pthread_yield()
+# endif
+#endif
+
+#ifdef __hpux
+# define MUTEX_INIT_NEEDS_MUTEX_ZEROED
+#endif
+
+#ifndef MUTEX_INIT
+
+# ifdef MUTEX_INIT_NEEDS_MUTEX_ZEROED
+ /* Temporary workaround, true bug is deeper. --jhi 1999-02-25 */
+# define MUTEX_INIT(m) \
+ STMT_START { \
+ int _eC_; \
+ Zero((m), 1, perl_mutex); \
+ if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default))) \
+ Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+# else
+# define MUTEX_INIT(m) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_mutex_init((m), pthread_mutexattr_default))) \
+ Perl_croak_nocontext("panic: MUTEX_INIT (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+# endif
+
+# ifdef PERL_TSA_ACTIVE
+# define perl_pthread_mutex_lock(m) perl_tsa_mutex_lock(m)
+# define perl_pthread_mutex_unlock(m) perl_tsa_mutex_unlock(m)
+# else
+# define perl_pthread_mutex_lock(m) pthread_mutex_lock(m)
+# define perl_pthread_mutex_unlock(m) pthread_mutex_unlock(m)
+# endif
+
+# define MUTEX_LOCK(m) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = perl_pthread_mutex_lock((m)))) \
+ Perl_croak_nocontext("panic: MUTEX_LOCK (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+
+# define MUTEX_UNLOCK(m) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = perl_pthread_mutex_unlock((m)))) \
+ Perl_croak_nocontext("panic: MUTEX_UNLOCK (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+
+# define MUTEX_DESTROY(m) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_mutex_destroy((m)))) \
+ Perl_croak_nocontext("panic: MUTEX_DESTROY (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+#endif /* MUTEX_INIT */
+
+#ifndef COND_INIT
+# define COND_INIT(c) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_cond_init((c), pthread_condattr_default))) \
+ Perl_croak_nocontext("panic: COND_INIT (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+
+# define COND_SIGNAL(c) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_cond_signal((c)))) \
+ Perl_croak_nocontext("panic: COND_SIGNAL (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+
+# define COND_BROADCAST(c) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_cond_broadcast((c)))) \
+ Perl_croak_nocontext("panic: COND_BROADCAST (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+
+# define COND_WAIT(c, m) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_cond_wait((c), (m)))) \
+ Perl_croak_nocontext("panic: COND_WAIT (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+
+# define COND_DESTROY(c) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_cond_destroy((c)))) \
+ Perl_croak_nocontext("panic: COND_DESTROY (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+#endif /* COND_INIT */
+
+/* DETACH(t) must only be called while holding t->mutex */
+#ifndef DETACH
+# define DETACH(t) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_detach((t)->self))) { \
+ MUTEX_UNLOCK(&(t)->mutex); \
+ Perl_croak_nocontext("panic: DETACH (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } \
+ } STMT_END
+#endif /* DETACH */
+
+#ifndef JOIN
+# define JOIN(t, avp) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_join((t)->self, (void**)(avp)))) \
+ Perl_croak_nocontext("panic: pthread_join (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+#endif /* JOIN */
+
+/* Use an unchecked fetch of thread-specific data instead of a checked one.
+ * It would fail if the key were bogus, but if the key were bogus then
+ * Really Bad Things would be happening anyway. --dan */
+#if (defined(__ALPHA) && (__VMS_VER >= 70000000)) || \
+ (defined(__alpha) && defined(__osf__) && !defined(__GNUC__)) /* Available only on >= 4.0 */
+# define HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP /* Configure test needed */
+#endif
+
+#ifdef HAS_PTHREAD_UNCHECKED_GETSPECIFIC_NP
+# define PTHREAD_GETSPECIFIC(key) pthread_unchecked_getspecific_np(key)
+#else
+# define PTHREAD_GETSPECIFIC(key) pthread_getspecific(key)
+#endif
+
+#ifndef PERL_GET_CONTEXT
+# define PERL_GET_CONTEXT PTHREAD_GETSPECIFIC(PL_thr_key)
+#endif
+
+#ifndef PERL_SET_CONTEXT
+# define PERL_SET_CONTEXT(t) \
+ STMT_START { \
+ int _eC_; \
+ if ((_eC_ = pthread_setspecific(PL_thr_key, (void *)(t)))) \
+ Perl_croak_nocontext("panic: pthread_setspecific (%d) [%s:%d]", \
+ _eC_, __FILE__, __LINE__); \
+ } STMT_END
+#endif /* PERL_SET_CONTEXT */
+
+#ifndef INIT_THREADS
+# ifdef NEED_PTHREAD_INIT
+# define INIT_THREADS pthread_init()
+# endif
+#endif
+
+#ifndef ALLOC_THREAD_KEY
+# define ALLOC_THREAD_KEY \
+ STMT_START { \
+ if (pthread_key_create(&PL_thr_key, 0)) { \
+ PERL_UNUSED_RESULT(write(2, STR_WITH_LEN("panic: pthread_key_create failed\n"))); \
+ exit(1); \
+ } \
+ } STMT_END
+#endif
+
+#ifndef FREE_THREAD_KEY
+# define FREE_THREAD_KEY \
+ STMT_START { \
+ pthread_key_delete(PL_thr_key); \
+ } STMT_END
+#endif
+
+#ifndef PTHREAD_ATFORK
+# ifdef HAS_PTHREAD_ATFORK
+# define PTHREAD_ATFORK(prepare,parent,child) \
+ pthread_atfork(prepare,parent,child)
+# else
+# define PTHREAD_ATFORK(prepare,parent,child) \
+ NOOP
+# endif
+#endif
+
+#ifndef THREAD_RET_TYPE
+# define THREAD_RET_TYPE void *
+# define THREAD_RET_CAST(p) ((void *)(p))
+#endif /* THREAD_RET */
+
+# define LOCK_DOLLARZERO_MUTEX MUTEX_LOCK(&PL_dollarzero_mutex)
+# define UNLOCK_DOLLARZERO_MUTEX MUTEX_UNLOCK(&PL_dollarzero_mutex)
+
+#endif /* USE_ITHREADS */
+
+#ifndef MUTEX_LOCK
+# define MUTEX_LOCK(m) NOOP
+#endif
+
+#ifndef MUTEX_UNLOCK
+# define MUTEX_UNLOCK(m) NOOP
+#endif
+
+#ifndef MUTEX_INIT
+# define MUTEX_INIT(m) NOOP
+#endif
+
+#ifndef MUTEX_DESTROY
+# define MUTEX_DESTROY(m) NOOP
+#endif
+
+#ifndef COND_INIT
+# define COND_INIT(c) NOOP
+#endif
+
+#ifndef COND_SIGNAL
+# define COND_SIGNAL(c) NOOP
+#endif
+
+#ifndef COND_BROADCAST
+# define COND_BROADCAST(c) NOOP
+#endif
+
+#ifndef COND_WAIT
+# define COND_WAIT(c, m) NOOP
+#endif
+
+#ifndef COND_DESTROY
+# define COND_DESTROY(c) NOOP
+#endif
+
+#ifndef LOCK_DOLLARZERO_MUTEX
+# define LOCK_DOLLARZERO_MUTEX NOOP
+#endif
+
+#ifndef UNLOCK_DOLLARZERO_MUTEX
+# define UNLOCK_DOLLARZERO_MUTEX NOOP
+#endif
+
+/* THR, SET_THR, and dTHR are there for compatibility with old versions */
+#ifndef THR
+# define THR PERL_GET_THX
+#endif
+
+#ifndef SET_THR
+# define SET_THR(t) PERL_SET_THX(t)
+#endif
+
+#ifndef dTHR
+# define dTHR dNOOP
+#endif
+
+#ifndef INIT_THREADS
+# define INIT_THREADS NOOP
+#endif
+
+/*
+ * ex: set ts=8 sts=4 sw=4 et:
+ */