X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=win32%2Fwin32thread.c;h=900f5fedfff8219b9e26ee83b5d6c39501e25382;hb=108967c2780c6a80477cd84ad2874a41e5d02472;hp=c0c3c60239148e4a73bee7bb1f9460ec0ecf4e2f;hpb=0fefa03b970ac01e359bb69c9e4daaddc57f3db9;p=p5sagit%2Fp5-mst-13.2.git diff --git a/win32/win32thread.c b/win32/win32thread.c index c0c3c60..900f5fe 100644 --- a/win32/win32thread.c +++ b/win32/win32thread.c @@ -1,37 +1,67 @@ #include "EXTERN.h" #include "perl.h" -__declspec(thread) struct thread *Perl_current_thread = NULL; +#if defined(PERL_OBJECT) +#define NO_XSLOCKS +extern CPerlObj* pPerl; +#include "XSUB.h" +#endif + +#ifdef USE_DECLSPEC_THREAD +__declspec(thread) void *PL_current_context = NULL; +#endif void -Perl_setTHR(struct thread *t) +Perl_set_context(void *t) { - Perl_current_thread = t; +#if defined(USE_THREADS) || defined(USE_ITHREADS) +# ifdef USE_DECLSPEC_THREAD + Perl_current_context = t; +# else + DWORD err = GetLastError(); + TlsSetValue(PL_thr_key,t); + SetLastError(err); +# endif +#endif } -struct thread * -Perl_getTHR(void) +void * +Perl_get_context(void) { - return Perl_current_thread; +#if defined(USE_THREADS) || defined(USE_ITHREADS) +# ifdef USE_DECLSPEC_THREAD + return Perl_current_context; +# else + DWORD err = GetLastError(); + void *result = TlsGetValue(PL_thr_key); + SetLastError(err); + return result; +# endif +#else + return NULL; +#endif } +#ifdef USE_THREADS void -Perl_alloc_thread_key(void) +Perl_init_thread_intern(struct perl_thread *athr) { -#ifdef USE_THREADS - static int key_allocated = 0; - if (!key_allocated) { - if ((thr_key = TlsAlloc()) == TLS_OUT_OF_INDEXES) - croak("panic: TlsAlloc"); - key_allocated = 1; - } +#ifndef USE_DECLSPEC_THREAD + + /* + * Initialize port-specific per-thread data in thr->i + * as only things we have there are just static areas for + * return values we don't _need_ to do anything but + * this is good practice: + */ + memset(&athr->i,0,sizeof(athr->i)); + #endif } void -Perl_set_thread_self(struct thread *thr) +Perl_set_thread_self(struct perl_thread *thr) { -#ifdef USE_THREADS /* Set thr->self. GetCurrentThread() retrurns a pseudo handle, need this to convert it into a handle another thread can use. */ @@ -42,22 +72,48 @@ Perl_set_thread_self(struct thread *thr) 0, FALSE, DUPLICATE_SAME_ACCESS); -#endif } -#ifdef USE_THREADS int -Perl_thread_create(struct thread *thr, thread_func_t *fn) +Perl_thread_create(struct perl_thread *thr, thread_func_t *fn) { DWORD junk; + unsigned long th; - MUTEX_LOCK(&thr->mutex); - DEBUG_L(PerlIO_printf(PerlIO_stderr(), + DEBUG_S(PerlIO_printf(Perl_debug_log, "%p: create OS thread\n", thr)); +#ifdef USE_RTL_THREAD_API + /* See comment about USE_RTL_THREAD_API in win32thread.h */ +#if defined(__BORLANDC__) + th = _beginthreadNT(fn, /* start address */ + 0, /* stack size */ + (void *)thr, /* parameters */ + (void *)NULL, /* security attrib */ + 0, /* creation flags */ + (unsigned long *)&junk); /* tid */ + if (th == (unsigned long)-1) + th = 0; +#elif defined(_MSC_VER_) + th = _beginthreadex((void *)NULL, /* security attrib */ + 0, /* stack size */ + fn, /* start address */ + (void*)thr, /* parameters */ + 0, /* creation flags */ + (unsigned *)&junk); /* tid */ +#else /* compilers using CRTDLL.DLL only have _beginthread() */ + th = _beginthread(fn, /* start address */ + 0, /* stack size */ + (void*)thr); /* parameters */ + if (th == (unsigned long)-1) + th = 0; +#endif + thr->self = (HANDLE)th; +#else /* !USE_RTL_THREAD_API */ thr->self = CreateThread(NULL, 0, fn, (void*)thr, 0, &junk); - DEBUG_L(PerlIO_printf(PerlIO_stderr(), +#endif /* !USE_RTL_THREAD_API */ + DEBUG_S(PerlIO_printf(Perl_debug_log, "%p: OS thread = %p, id=%ld\n", thr, thr->self, junk)); - MUTEX_UNLOCK(&thr->mutex); return thr->self ? 0 : -1; } #endif +