#include "perl.h"
#include "XSUB.h"
-#ifdef WIN32
-#define ssize_t int
-#include <fcntl.h>
-#define THR_RET_TYPE DWORD
-#define THR_FUNC_TYPE THR_RET_TYPE WINAPI
-#else
-#define THR_RET_TYPE void *
-#define THR_FUNC_TYPE THR_RET_TYPE
-#endif
-
/* Magic signature for Thread's mg_private is "Th" */
#define Thread_MAGIC_SIGNATURE 0x5468
-static U32 threadnum = 0;
+#ifdef __cplusplus
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+#endif
+#include <fcntl.h>
+
static int sig_pipe[2];
-
-static void remove_thread _((Thread t));
-static THR_FUNC_TYPE threadstart _((void *));
+
+#ifndef THREAD_RET_TYPE
+#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 perl_thread *t)
{
- DEBUG_L(WITH_THR(PerlIO_printf(PerlIO_stderr(),
+#ifdef USE_THREADS
+ DEBUG_S(WITH_THR(PerlIO_printf(PerlIO_stderr(),
"%p: remove_thread %p\n", thr, t)));
- MUTEX_LOCK(&threads_mutex);
+ MUTEX_LOCK(&PL_threads_mutex);
MUTEX_DESTROY(&t->mutex);
- nthreads--;
+ PL_nthreads--;
t->prev->next = t->next;
t->next->prev = t->prev;
- COND_BROADCAST(&nthreads_cond);
- MUTEX_UNLOCK(&threads_mutex);
+ COND_BROADCAST(&PL_nthreads_cond);
+ MUTEX_UNLOCK(&PL_threads_mutex);
+#endif
}
-
-static THR_FUNC_TYPE
-threadstart(arg)
-void *arg;
+static THREAD_RET_TYPE
+threadstart(void *arg)
{
+#ifdef USE_THREADS
#ifdef FAKE_THREADS
Thread savethread = thr;
LOGOP myop;
dSP;
- I32 oldscope = scopestack_ix;
+ I32 oldscope = PL_scopestack_ix;
I32 retval;
- AV *returnav;
+ AV *av;
int i;
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "new thread %p starting at %s\n",
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "new thread %p starting at %s\n",
thr, SvPEEK(TOPs)));
thr = (Thread) arg;
savemark = TOPMARK;
thr->private = 0;
/* Now duplicate most of perl_call_sv but with a few twists */
- op = (OP*)&myop;
- Zero(op, 1, LOGOP);
+ PL_op = (OP*)&myop;
+ Zero(PL_op, 1, LOGOP);
myop.op_flags = OPf_STACKED;
myop.op_next = Nullop;
myop.op_flags |= OPf_KNOW;
myop.op_flags |= OPf_WANT_LIST;
- op = pp_entersub(ARGS);
- DEBUG_L(if (!op)
+ PL_op = pp_entersub(ARGS);
+ DEBUG_S(if (!PL_op)
PerlIO_printf(PerlIO_stderr(), "thread starts at Nullop\n"));
/*
* When this thread is next scheduled, we start in the right
#else
Thread thr = (Thread) arg;
LOGOP myop;
- dSP;
+ djSP;
I32 oldmark = TOPMARK;
- I32 oldscope = scopestack_ix;
+ I32 oldscope = PL_scopestack_ix;
I32 retval;
- AV *returnav;
+ SV *sv;
+ AV *av = newAV();
int i, ret;
dJMPENV;
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "new thread %p waiting to start\n",
+ thr));
- /* Don't call *anything* requiring dTHR until after pthread_setspecific */
+ /* Don't call *anything* requiring dTHR until after SET_THR() */
/*
* Wait until our creator releases us. If we didn't do this, then
* it would be potentially possible for out thread to carry on and
* do stuff before our creator fills in our "self" field. For example,
- * if we went and created another thread which tried to pthread_join
- * with us, then we'd be in a mess.
+ * if we went and created another thread which tried to JOIN with us,
+ * then we'd be in a mess.
*/
MUTEX_LOCK(&thr->mutex);
MUTEX_UNLOCK(&thr->mutex);
/*
* It's safe to wait until now to set the thread-specific pointer
- * from our pthread_t structure to our struct thread, since we're
- * the only thread who can get at it anyway.
+ * from our pthread_t structure to our struct perl_thread, since
+ * we're the only thread who can get at it anyway.
*/
-#ifdef WIN32
- if (TlsSetValue(thr_key, (void *) thr) == 0)
-#else
- if (pthread_setspecific(thr_key, (void *) thr))
-#endif
- croak("panic: pthread_setspecific");
+ SET_THR(thr);
/* Only now can we use SvPEEK (which calls sv_newmortal which does dTHR) */
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "new thread %p starting at %s\n",
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "new thread %p starting at %s\n",
thr, SvPEEK(TOPs)));
- JMPENV_PUSH(ret);
- switch (ret) {
- case 3:
- PerlIO_printf(PerlIO_stderr(), "panic: threadstart\n");
- /* fall through */
- case 1:
- STATUS_ALL_FAILURE;
- /* fall through */
- case 2:
- /* my_exit() was called */
- while (scopestack_ix > oldscope)
- LEAVE;
- JMPENV_POP;
- av_store(returnav, 0, newSViv(statusvalue));
- goto finishoff;
+ sv = POPs;
+ PUTBACK;
+ perl_call_sv(sv, G_ARRAY|G_EVAL);
+ SPAGAIN;
+ retval = SP - (PL_stack_base + oldmark);
+ SP = PL_stack_base + oldmark + 1;
+ if (SvCUR(thr->errsv)) {
+ MUTEX_LOCK(&thr->mutex);
+ thr->flags |= THRf_DID_DIE;
+ MUTEX_UNLOCK(&thr->mutex);
+ av_store(av, 0, &PL_sv_no);
+ av_store(av, 1, newSVsv(thr->errsv));
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "%p died: %s\n",
+ thr, SvPV(thr->errsv, PL_na)));
+ } else {
+ DEBUG_S(STMT_START {
+ for (i = 1; i <= retval; i++) {
+ PerlIO_printf(PerlIO_stderr(), "%p return[%d] = %s\n",
+ thr, i, SvPEEK(SP[i - 1]));
+ }
+ } STMT_END);
+ av_store(av, 0, &PL_sv_yes);
+ for (i = 1; i <= retval; i++, SP++)
+ sv_setsv(*av_fetch(av, i, TRUE), SvREFCNT_inc(*SP));
}
- /* Now duplicate most of perl_call_sv but with a few twists */
- op = (OP*)&myop;
- Zero(op, 1, LOGOP);
- myop.op_flags = OPf_STACKED;
- myop.op_next = Nullop;
- myop.op_flags |= OPf_KNOW;
- myop.op_flags |= OPf_WANT_LIST;
- op = pp_entersub(ARGS);
- if (op)
- runops();
- SPAGAIN;
- retval = sp - (stack_base + oldmark);
- sp = stack_base + oldmark + 1;
- DEBUG_L(for (i = 1; i <= retval; i++)
- PerlIO_printf(PerlIO_stderr(),
- "%p returnav[%d] = %s\n",
- thr, i, SvPEEK(sp[i - 1]));)
- returnav = newAV();
- av_store(returnav, 0, newSVpv("", 0));
- for (i = 1; i <= retval; i++, sp++)
- sv_setsv(*av_fetch(returnav, i, TRUE), SvREFCNT_inc(*sp));
-
finishoff:
#if 0
/* removed for debug */
- SvREFCNT_dec(curstack);
+ SvREFCNT_dec(PL_curstack);
#endif
- SvREFCNT_dec(cvcache);
- Safefree(markstack);
- Safefree(scopestack);
- Safefree(savestack);
- Safefree(retstack);
- Safefree(cxstack);
- Safefree(tmps_stack);
+ SvREFCNT_dec(thr->cvcache);
+ SvREFCNT_dec(thr->threadsv);
+ SvREFCNT_dec(thr->specific);
+ SvREFCNT_dec(thr->errsv);
+ SvREFCNT_dec(thr->errhv);
+
+ /*Safefree(cxstack);*/
+ while (PL_curstackinfo->si_next)
+ PL_curstackinfo = PL_curstackinfo->si_next;
+ while (PL_curstackinfo) {
+ PERL_SI *p = PL_curstackinfo->si_prev;
+ SvREFCNT_dec(PL_curstackinfo->si_stack);
+ Safefree(PL_curstackinfo->si_cxstack);
+ Safefree(PL_curstackinfo);
+ PL_curstackinfo = p;
+ }
+ Safefree(PL_markstack);
+ Safefree(PL_scopestack);
+ Safefree(PL_savestack);
+ Safefree(PL_retstack);
+ Safefree(PL_tmps_stack);
+ Safefree(PL_ofs);
+
+ SvREFCNT_dec(PL_rs);
+ SvREFCNT_dec(PL_nrs);
+ SvREFCNT_dec(PL_statname);
+ Safefree(PL_screamfirst);
+ Safefree(PL_screamnext);
+ Safefree(PL_reg_start_tmp);
+ SvREFCNT_dec(PL_lastscream);
+ /*SvREFCNT_dec(PL_defoutgv);*/
MUTEX_LOCK(&thr->mutex);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(),
"%p: threadstart finishing: state is %u\n",
thr, ThrSTATE(thr)));
switch (ThrSTATE(thr)) {
case THRf_R_JOINABLE:
ThrSETSTATE(thr, THRf_ZOMBIE);
MUTEX_UNLOCK(&thr->mutex);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(),
"%p: R_JOINABLE thread finished\n", thr));
break;
case THRf_R_JOINED:
ThrSETSTATE(thr, THRf_DEAD);
MUTEX_UNLOCK(&thr->mutex);
remove_thread(thr);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(),
"%p: R_JOINED thread finished\n", thr));
break;
case THRf_R_DETACHED:
ThrSETSTATE(thr, THRf_DEAD);
MUTEX_UNLOCK(&thr->mutex);
- SvREFCNT_dec(returnav);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(),
+ SvREFCNT_dec(av);
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(),
"%p: DETACHED thread finished\n", thr));
remove_thread(thr); /* This might trigger main thread to finish */
break;
croak("panic: illegal state %u at end of threadstart", ThrSTATE(thr));
/* NOTREACHED */
}
- return (THR_RET_TYPE) returnav;/* Available for anyone to join with us */
- /* unless we are detached in which case */
- /* noone will see the value anyway. */
+ return THREAD_RET_CAST(av); /* Available for anyone to join with */
+ /* 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 *classname)
{
- dTHR;
+#ifdef USE_THREADS
dSP;
Thread savethread;
int i;
SV *sv;
-#ifndef WIN32
+ int err;
+#ifndef THREAD_CREATE
+ static pthread_attr_t attr;
+ static int attr_inited = 0;
sigset_t fullmask, oldmask;
-#else
- DWORD junk;
+ static int attr_joinable = ATTR_JOINABLE;
#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;
- init_stacks(ARGS);
- curcop = savethread->Tcurcop; /* XXX As good a guess as any? */
+ thr = new_struct_thread(thr);
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));
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ "%p: newthread (%p), tid is %u, preparing stack\n",
+ savethread, thr, thr->tid));
/* The following pushes the arg list and startsv onto the *new* stack */
- PUSHMARK(sp);
+ PUSHMARK(SP);
/* Could easily speed up the following greatly */
for (i = 0; i <= AvFILL(initargs); i++)
XPUSHs(SvREFCNT_inc(*av_fetch(initargs, i, FALSE)));
XPUSHs(SvREFCNT_inc(startsv));
PUTBACK;
-
-#ifdef FAKE_THREADS
- threadstart(thr);
+#ifdef THREAD_CREATE
+ err = THREAD_CREATE(thr, threadstart);
#else
/* On your marks... */
MUTEX_LOCK(&thr->mutex);
- /* Get set...
- * Increment the global thread count.
- */
-#ifndef WIN32
+ /* Get set... */
sigfillset(&fullmask);
if (sigprocmask(SIG_SETMASK, &fullmask, &oldmask) == -1)
croak("panic: sigprocmask");
- if (pthread_create(&self, NULL, threadstart, (void*) thr))
-#else
- if ((self = CreateThread(NULL,0,threadstart,(void*)thr,0,&junk)) == 0)
-#endif
- return NULL; /* XXX should clean up first */
+ err = 0;
+ if (!attr_inited) {
+ attr_inited = 1;
+ err = pthread_attr_init(&attr);
+# ifdef PTHREAD_ATTR_SETDETACHSTATE
+ if (err == 0)
+ err = PTHREAD_ATTR_SETDETACHSTATE(&attr, attr_joinable);
+
+# else
+ croak("panic: can't pthread_attr_setdetachstate");
+# endif
+ }
+ if (err == 0)
+ err = PTHREAD_CREATE(&thr->self, attr, threadstart, (void*) thr);
/* Go */
MUTEX_UNLOCK(&thr->mutex);
-#ifndef WIN32
+#endif
+ if (err) {
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ "%p: create of %p failed %d\n",
+ savethread, thr, err));
+ /* Thread creation failed--clean up */
+ SvREFCNT_dec(thr->cvcache);
+ remove_thread(thr);
+ MUTEX_DESTROY(&thr->mutex);
+ for (i = 0; i <= AvFILL(initargs); i++)
+ SvREFCNT_dec(*av_fetch(initargs, i, FALSE));
+ SvREFCNT_dec(startsv);
+ return NULL;
+ }
+#ifdef THREAD_POST_CREATE
+ THREAD_POST_CREATE(thr);
+#else
if (sigprocmask(SIG_SETMASK, &oldmask, 0))
croak("panic: sigprocmask");
#endif
-#endif
sv = newSViv(thr->tid);
- sv_magic(sv, oursv, '~', 0, 0);
+ sv_magic(sv, thr->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(classname, TRUE));
+#else
+ croak("No threads in this perl");
+ return &PL_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);
+ unsigned char c = (unsigned char) sig;
+ /*
+ * We're not really allowed to call fprintf in a signal handler
+ * so don't be surprised if this isn't robust while debugging
+ * with -DL.
+ */
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ "handle_thread_signal: got signal %d\n", sig););
+ write(sig_pipe[1], &c, 1);
}
MODULE = Thread PACKAGE = Thread
+PROTOTYPES: DISABLE
void
-new(class, startsv, ...)
- char * class
+new(classname, startsv, ...)
+ char * classname
SV * startsv
AV * av = av_make(items - 2, &ST(2));
PPCODE:
- XPUSHs(sv_2mortal(newthread(startsv, av, class)));
+ XPUSHs(sv_2mortal(newthread(startsv, av, classname)));
void
join(t)
AV * av = NO_INIT
int i = NO_INIT
PPCODE:
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "%p: joining %p (state %u)\n",
+#ifdef USE_THREADS
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "%p: joining %p (state %u)\n",
thr, t, ThrSTATE(t)););
MUTEX_LOCK(&t->mutex);
switch (ThrSTATE(t)) {
croak("can't join with thread");
/* NOTREACHED */
}
-#ifdef WIN32
- if ((WaitForSingleObject(t->Tself,INFINITE) == WAIT_FAILED)
- || (GetExitCodeThread(t->Tself,(LPDWORD)&av) == 0))
-#else
- if (pthread_join(t->Tself, (void **) &av))
+ JOIN(t, &av);
+
+ if (SvTRUE(*av_fetch(av, 0, FALSE))) {
+ /* Could easily speed up the following if necessary */
+ for (i = 1; i <= AvFILL(av); i++)
+ XPUSHs(sv_2mortal(*av_fetch(av, i, FALSE)));
+ } else {
+ char *mess = SvPV(*av_fetch(av, 1, FALSE), PL_na);
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ "%p: join propagating die message: %s\n",
+ thr, mess));
+ croak(mess);
+ }
#endif
- croak("pthread_join failed");
-
- /* Could easily speed up the following if necessary */
- for (i = 0; i <= AvFILL(av); i++)
- XPUSHs(sv_2mortal(*av_fetch(av, i, FALSE)));
void
detach(t)
Thread t
CODE:
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "%p: detaching %p (state %u)\n",
+#ifdef USE_THREADS
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "%p: detaching %p (state %u)\n",
thr, t, ThrSTATE(t)););
MUTEX_LOCK(&t->mutex);
switch (ThrSTATE(t)) {
croak("can't detach thread");
/* NOTREACHED */
}
+#endif
void
equal(t1, t2)
Thread t1
Thread t2
PPCODE:
- PUSHs((t1 == t2) ? &sv_yes : &sv_no);
+ PUSHs((t1 == t2) ? &PL_sv_yes : &PL_sv_no);
void
flags(t)
Thread t
PPCODE:
+#ifdef USE_THREADS
PUSHs(sv_2mortal(newSViv(t->flags)));
+#endif
void
-self(class)
- char * class
+self(classname)
+ char * classname
PREINIT:
SV *sv;
- PPCODE:
+ PPCODE:
+#ifdef USE_THREADS
sv = newSViv(thr->tid);
- sv_magic(sv, oursv, '~', 0, 0);
+ sv_magic(sv, thr->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(classname, 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
DESTROY(t)
SV * t
PPCODE:
- PUSHs(&sv_yes);
+ PUSHs(&PL_sv_yes);
void
yield()
CODE:
-#ifdef OLD_PTHREADS_API
- pthread_yield();
-#else
-#ifndef NO_SCHED_YIELD
-#ifdef WIN32
- Sleep(0); /* same semantics as POSIX sched_yield() */
-#else
- sched_yield();
-#endif /* WIN32 */
-#endif /* NO_SCHED_YIELD */
-#endif /* OLD_PTHREADS_API */
+{
+#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);
mg = condpair_magic(sv);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "%p: cond_wait %p\n", thr, sv));
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "%p: cond_wait %p\n", thr, sv));
MUTEX_LOCK(MgMUTEXP(mg));
if (MgOWNER(mg) != thr) {
MUTEX_UNLOCK(MgMUTEXP(mg));
croak("cond_wait for lock that we don't own\n");
}
MgOWNER(mg) = 0;
+ COND_SIGNAL(MgOWNERCONDP(mg));
COND_WAIT(MgCONDP(mg), MgMUTEXP(mg));
while (MgOWNER(mg))
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);
mg = condpair_magic(sv);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "%p: cond_signal %p\n",thr,sv));
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "%p: cond_signal %p\n",thr,sv));
MUTEX_LOCK(MgMUTEXP(mg));
if (MgOWNER(mg) != thr) {
MUTEX_UNLOCK(MgMUTEXP(mg));
}
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);
mg = condpair_magic(sv);
- DEBUG_L(PerlIO_printf(PerlIO_stderr(), "%p: cond_broadcast %p\n",
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(), "%p: cond_broadcast %p\n",
thr, sv));
MUTEX_LOCK(MgMUTEXP(mg));
if (MgOWNER(mg) != thr) {
}
COND_BROADCAST(MgCONDP(mg));
MUTEX_UNLOCK(MgMUTEXP(mg));
+#endif
void
-list(class)
- char * class
+list(classname)
+ char * classname
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.
* We mustn't do any allocation while holding threads_mutex though.
*/
- MUTEX_LOCK(&threads_mutex);
+ MUTEX_LOCK(&PL_threads_mutex);
do {
- n = nthreads;
- MUTEX_UNLOCK(&threads_mutex);
+ n = PL_nthreads;
+ MUTEX_UNLOCK(&PL_threads_mutex);
if (AvFILL(av) < n - 1) {
int i = AvFILL(av);
for (i = AvFILL(av); i < n - 1; i++) {
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(classname, TRUE)));
}
}
- MUTEX_LOCK(&threads_mutex);
- } while (n < nthreads);
- n = nthreads; /* Get the final correct value */
+ MUTEX_LOCK(&PL_threads_mutex);
+ } while (n < PL_nthreads);
+ n = PL_nthreads; /* Get the final correct value */
/*
* At this point, there's enough room to fill in av.
do {
SV *sv = (SV*)SvRV(*svp);
sv_setiv(sv, t->tid);
- SvMAGIC(sv)->mg_obj = SvREFCNT_inc(t->Toursv);
+ SvMAGIC(sv)->mg_obj = SvREFCNT_inc(t->oursv);
SvMAGIC(sv)->mg_flags |= MGf_REFCOUNTED;
SvMAGIC(sv)->mg_private = Thread_MAGIC_SIGNATURE;
t = t->next;
svp++;
} while (t != thr);
/* */
- MUTEX_UNLOCK(&threads_mutex);
+ MUTEX_UNLOCK(&PL_threads_mutex);
/* Truncate any unneeded slots in av */
av_fill(av, n - 1);
/* Finally, push all the new objects onto the stack and drop av */
- EXTEND(sp, n);
+ EXTEND(SP, n);
for (svp = AvARRAY(av); n > 0; n--, svp++)
PUSHs(*svp);
(void)sv_2mortal((SV*)av);
+#endif
MODULE = Thread PACKAGE = Thread::Signal
void
kill_sighandler_thread()
PPCODE:
- write(sig_pipe[0], "\0", 1);
- PUSHs(&sv_yes);
+ write(sig_pipe[1], "\0", 1);
+ PUSHs(&PL_sv_yes);
void
init_thread_signals()
PPCODE:
- sighandlerp = handle_thread_signal;
+ PL_sighandlerp = handle_thread_signal;
if (pipe(sig_pipe) == -1)
XSRETURN_UNDEF;
- PUSHs(&sv_yes);
+ PUSHs(&PL_sv_yes);
-SV *
+void
await_signal()
PREINIT:
- char c;
- ssize_t ret;
+ unsigned char c;
+ SSize_t ret;
CODE:
do {
- ret = read(sig_pipe[1], &c, 1);
+ ret = read(sig_pipe[0], &c, 1);
} while (ret == -1 && errno == EINTR);
if (ret == -1)
croak("panic: await_signal");
- if (ret == 0)
- XSRETURN_UNDEF;
- RETVAL = c ? psig_ptr[c] : &sv_no;
- OUTPUT:
- RETVAL
+ ST(0) = sv_newmortal();
+ if (ret)
+ sv_setsv(ST(0), c ? PL_psig_ptr[c] : &PL_sv_no);
+ DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ "await_signal returning %s\n", SvPEEK(ST(0))););
+
+MODULE = Thread PACKAGE = Thread::Specific
+
+void
+data(classname = "Thread::Specific")
+ char * classname
+ PPCODE:
+#ifdef USE_THREADS
+ if (AvFILL(thr->specific) == -1) {
+ GV *gv = gv_fetchpv("Thread::Specific::FIELDS", TRUE, SVt_PVHV);
+ av_store(thr->specific, 0, newRV((SV*)GvHV(gv)));
+ }
+ XPUSHs(sv_bless(newRV((SV*)thr->specific),gv_stashpv(classname,TRUE)));
+#endif
projects / p5sagit/p5-mst-13.2.git / blobdiff