/* Magic signature for Thread's mg_private is "Th" */
#define Thread_MAGIC_SIGNATURE 0x5468
+#ifdef __cplusplus
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+#endif
+#include <fcntl.h>
+
static U32 threadnum = 0;
static int sig_pipe[2];
+
+#ifndef THREAD_RET_TYPE
+typedef struct thread *Thread;
+#define THREAD_RET_TYPE void *
+#define THREAD_RET_CAST(x) ((THREAD_RET_TYPE) x)
+#endif;
static void
-remove_thread(t)
-Thread t;
+remove_thread(struct thread *t)
{
+#ifdef USE_THREADS
DEBUG_L(WITH_THR(PerlIO_printf(PerlIO_stderr(),
"%p: remove_thread %p\n", thr, t)));
MUTEX_LOCK(&threads_mutex);
t->next->prev = t->prev;
COND_BROADCAST(&nthreads_cond);
MUTEX_UNLOCK(&threads_mutex);
+#endif
}
static THREAD_RET_TYPE
-threadstart(arg)
-void *arg;
+threadstart(void *arg)
{
+#ifdef USE_THREADS
#ifdef FAKE_THREADS
Thread savethread = thr;
LOGOP myop;
/* us unless we're detached, in which */
/* case noone sees the value anyway. */
#endif
+#else
+ return THREAD_RET_CAST(NULL);
+#endif
}
static SV *
-newthread(startsv, initargs, class)
-SV *startsv;
-AV *initargs;
-char *class;
+newthread (SV *startsv, AV *initargs, char *Class)
{
+#ifdef USE_THREADS
dTHR;
dSP;
Thread savethread;
#endif
savethread = thr;
- sv = newSVpv("", 0);
- SvGROW(sv, sizeof(struct thread) + 1);
- SvCUR_set(sv, sizeof(struct thread));
- thr = (Thread) SvPVX(sv);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "%p: newthread(%s) = %p)\n",
- savethread, SvPEEK(startsv), thr));
- oursv = sv;
- /* If we don't zero these foostack pointers, init_stacks won't init them */
- markstack = 0;
- scopestack = 0;
- savestack = 0;
- retstack = 0;
+ thr = new_struct_thread(thr);
init_stacks(ARGS);
- curcop = savethread->Tcurcop; /* XXX As good a guess as any? */
SPAGAIN;
- defstash = savethread->Tdefstash; /* XXX maybe these should */
- curstash = savethread->Tcurstash; /* always be set to main? */
- /* top_env? */
- /* runlevel */
- cvcache = newHV();
- thr->flags = THRf_R_JOINABLE;
- MUTEX_INIT(&thr->mutex);
- thr->tid = ++threadnum;
- /* Insert new thread into the circular linked list and bump nthreads */
- MUTEX_LOCK(&threads_mutex);
- thr->next = savethread->next;
- thr->prev = savethread;
- savethread->next = thr;
- thr->next->prev = thr;
- nthreads++;
- MUTEX_UNLOCK(&threads_mutex);
-
DEBUG_L(PerlIO_printf(PerlIO_stderr(),
"%p: newthread, tid is %u, preparing stack\n",
savethread, thr->tid));
PUTBACK;
#ifdef THREAD_CREATE
- THREAD_CREATE(thr, threadstart);
+ err = THREAD_CREATE(thr, threadstart);
#else
/* On your marks... */
MUTEX_LOCK(&thr->mutex);
sigfillset(&fullmask);
if (sigprocmask(SIG_SETMASK, &fullmask, &oldmask) == -1)
croak("panic: sigprocmask");
- err = pthread_create(&self, pthread_attr_default, threadstart, (void*) thr);
+ err = pthread_create(&thr->self, pthread_attr_default,
+ threadstart, (void*) thr);
/* Go */
MUTEX_UNLOCK(&thr->mutex);
#endif
sv = newSViv(thr->tid);
sv_magic(sv, oursv, '~', 0, 0);
SvMAGIC(sv)->mg_private = Thread_MAGIC_SIGNATURE;
- return sv_bless(newRV_noinc(sv), gv_stashpv(class, TRUE));
+ return sv_bless(newRV_noinc(sv), gv_stashpv(Class, TRUE));
+#else
+ croak("No threads in this perl");
+ return &sv_undef;
+#endif
}
+static Signal_t handle_thread_signal _((int sig));
+
static Signal_t
-handle_thread_signal(sig)
-int sig;
+handle_thread_signal(int sig)
{
char c = (char) sig;
write(sig_pipe[0], &c, 1);
MODULE = Thread PACKAGE = Thread
void
-new(class, startsv, ...)
- char * class
+new(Class, startsv, ...)
+ char * Class
SV * startsv
AV * av = av_make(items - 2, &ST(2));
PPCODE:
- XPUSHs(sv_2mortal(newthread(startsv, av, class)));
+ XPUSHs(sv_2mortal(newthread(startsv, av, Class)));
void
join(t)
AV * av = NO_INIT
int i = NO_INIT
PPCODE:
+#ifdef USE_THREADS
DEBUG_L(PerlIO_printf(PerlIO_stderr(), "%p: joining %p (state %u)\n",
thr, t, ThrSTATE(t)););
MUTEX_LOCK(&t->mutex);
/* Could easily speed up the following if necessary */
for (i = 0; i <= AvFILL(av); i++)
XPUSHs(sv_2mortal(*av_fetch(av, i, FALSE)));
+#endif
void
detach(t)
Thread t
CODE:
+#ifdef USE_THREADS
DEBUG_L(PerlIO_printf(PerlIO_stderr(), "%p: detaching %p (state %u)\n",
thr, t, ThrSTATE(t)););
MUTEX_LOCK(&t->mutex);
croak("can't detach thread");
/* NOTREACHED */
}
+#endif
void
equal(t1, t2)
flags(t)
Thread t
PPCODE:
+#ifdef USE_THREADS
PUSHs(sv_2mortal(newSViv(t->flags)));
+#endif
void
-self(class)
- char * class
+self(Class)
+ char * Class
PREINIT:
SV *sv;
- PPCODE:
+ PPCODE:
+#ifdef USE_THREADS
sv = newSViv(thr->tid);
sv_magic(sv, oursv, '~', 0, 0);
SvMAGIC(sv)->mg_private = Thread_MAGIC_SIGNATURE;
- PUSHs(sv_2mortal(sv_bless(newRV_noinc(sv), gv_stashpv(class, TRUE))));
+ PUSHs(sv_2mortal(sv_bless(newRV_noinc(sv), gv_stashpv(Class, TRUE))));
+#endif
U32
tid(t)
Thread t
CODE:
+#ifdef USE_THREADS
MUTEX_LOCK(&t->mutex);
RETVAL = t->tid;
MUTEX_UNLOCK(&t->mutex);
+#else
+ RETVAL = 0;
+#endif
OUTPUT:
RETVAL
void
yield()
CODE:
+{
+#ifdef USE_THREADS
YIELD;
+#endif
+}
void
cond_wait(sv)
SV * sv
MAGIC * mg = NO_INIT
-CODE:
+CODE:
+#ifdef USE_THREADS
if (SvROK(sv))
sv = SvRV(sv);
COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg));
MgOWNER(mg) = thr;
MUTEX_UNLOCK(MgMUTEXP(mg));
-
+#endif
+
void
cond_signal(sv)
SV * sv
MAGIC * mg = NO_INIT
CODE:
+#ifdef USE_THREADS
if (SvROK(sv))
sv = SvRV(sv);
}
COND_SIGNAL(MgCONDP(mg));
MUTEX_UNLOCK(MgMUTEXP(mg));
+#endif
void
cond_broadcast(sv)
SV * sv
MAGIC * mg = NO_INIT
-CODE:
+CODE:
+#ifdef USE_THREADS
if (SvROK(sv))
sv = SvRV(sv);
}
COND_BROADCAST(MgCONDP(mg));
MUTEX_UNLOCK(MgMUTEXP(mg));
+#endif
void
-list(class)
- char * class
+list(Class)
+ char * Class
PREINIT:
Thread t;
AV * av;
SV ** svp;
int n = 0;
PPCODE:
+#ifdef USE_THREADS
av = newAV();
/*
* Iterate until we have enough dynamic storage for all threads.
SV *sv = newSViv(0); /* fill in tid later */
sv_magic(sv, 0, '~', 0, 0); /* fill in other magic later */
av_push(av, sv_bless(newRV_noinc(sv),
- gv_stashpv(class, TRUE)));
+ gv_stashpv(Class, TRUE)));
}
}
for (svp = AvARRAY(av); n > 0; n--, svp++)
PUSHs(*svp);
(void)sv_2mortal((SV*)av);
+#endif
MODULE = Thread PACKAGE = Thread::Signal
projects / p5sagit/p5-mst-13.2.git / blobdiff