| | 1 | #include "EXTERN.h" |
| | 2 | #include "perl.h" |
| | 3 | |
| | 4 | #if defined(PERL_OBJECT) |
| | 5 | #define NO_XSLOCKS |
| | 6 | extern CPerlObj* pPerl; |
| | 7 | #include "XSUB.h" |
| | 8 | #endif |
| | 9 | |
| | 10 | #ifdef USE_DECLSPEC_THREAD |
| | 11 | __declspec(thread) void *PL_current_context = NULL; |
| | 12 | #endif |
| | 13 | |
| | 14 | void |
| | 15 | Perl_set_context(void *t) |
| | 16 | { |
| | 17 | #if defined(USE_THREADS) || defined(USE_ITHREADS) |
| | 18 | # ifdef USE_DECLSPEC_THREAD |
| | 19 | Perl_current_context = t; |
| | 20 | # else |
| | 21 | DWORD err = GetLastError(); |
| | 22 | TlsSetValue(PL_thr_key,t); |
| | 23 | SetLastError(err); |
| | 24 | # endif |
| | 25 | #endif |
| | 26 | } |
| | 27 | |
| | 28 | void * |
| | 29 | Perl_get_context(void) |
| | 30 | { |
| | 31 | #if defined(USE_THREADS) || defined(USE_ITHREADS) |
| | 32 | # ifdef USE_DECLSPEC_THREAD |
| | 33 | return Perl_current_context; |
| | 34 | # else |
| | 35 | DWORD err = GetLastError(); |
| | 36 | void *result = TlsGetValue(PL_thr_key); |
| | 37 | SetLastError(err); |
| | 38 | return result; |
| | 39 | # endif |
| | 40 | #else |
| | 41 | return NULL; |
| | 42 | #endif |
| | 43 | } |
| | 44 | |
| | 45 | #ifdef USE_THREADS |
| | 46 | void |
| | 47 | Perl_init_thread_intern(struct perl_thread *athr) |
| | 48 | { |
| | 49 | #ifndef USE_DECLSPEC_THREAD |
| | 50 | |
| | 51 | /* |
| | 52 | * Initialize port-specific per-thread data in thr->i |
| | 53 | * as only things we have there are just static areas for |
| | 54 | * return values we don't _need_ to do anything but |
| | 55 | * this is good practice: |
| | 56 | */ |
| | 57 | memset(&athr->i,0,sizeof(athr->i)); |
| | 58 | |
| | 59 | #endif |
| | 60 | } |
| | 61 | |
| | 62 | void |
| | 63 | Perl_set_thread_self(struct perl_thread *thr) |
| | 64 | { |
| | 65 | /* Set thr->self. GetCurrentThread() retrurns a pseudo handle, need |
| | 66 | this to convert it into a handle another thread can use. |
| | 67 | */ |
| | 68 | DuplicateHandle(GetCurrentProcess(), |
| | 69 | GetCurrentThread(), |
| | 70 | GetCurrentProcess(), |
| | 71 | &thr->self, |
| | 72 | 0, |
| | 73 | FALSE, |
| | 74 | DUPLICATE_SAME_ACCESS); |
| | 75 | } |
| | 76 | |
| | 77 | int |
| | 78 | Perl_thread_create(struct perl_thread *thr, thread_func_t *fn) |
| | 79 | { |
| | 80 | DWORD junk; |
| | 81 | unsigned long th; |
| | 82 | |
| | 83 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
| | 84 | "%p: create OS thread\n", thr)); |
| | 85 | #ifdef USE_RTL_THREAD_API |
| | 86 | /* See comment about USE_RTL_THREAD_API in win32thread.h */ |
| | 87 | #if defined(__BORLANDC__) |
| | 88 | th = _beginthreadNT(fn, /* start address */ |
| | 89 | 0, /* stack size */ |
| | 90 | (void *)thr, /* parameters */ |
| | 91 | (void *)NULL, /* security attrib */ |
| | 92 | 0, /* creation flags */ |
| | 93 | (unsigned long *)&junk); /* tid */ |
| | 94 | if (th == (unsigned long)-1) |
| | 95 | th = 0; |
| | 96 | #elif defined(_MSC_VER_) |
| | 97 | th = _beginthreadex((void *)NULL, /* security attrib */ |
| | 98 | 0, /* stack size */ |
| | 99 | fn, /* start address */ |
| | 100 | (void*)thr, /* parameters */ |
| | 101 | 0, /* creation flags */ |
| | 102 | (unsigned *)&junk); /* tid */ |
| | 103 | #else /* compilers using CRTDLL.DLL only have _beginthread() */ |
| | 104 | th = _beginthread(fn, /* start address */ |
| | 105 | 0, /* stack size */ |
| | 106 | (void*)thr); /* parameters */ |
| | 107 | if (th == (unsigned long)-1) |
| | 108 | th = 0; |
| | 109 | #endif |
| | 110 | thr->self = (HANDLE)th; |
| | 111 | #else /* !USE_RTL_THREAD_API */ |
| | 112 | thr->self = CreateThread(NULL, 0, fn, (void*)thr, 0, &junk); |
| | 113 | #endif /* !USE_RTL_THREAD_API */ |
| | 114 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
| | 115 | "%p: OS thread = %p, id=%ld\n", thr, thr->self, junk)); |
| | 116 | return thr->self ? 0 : -1; |
| | 117 | } |
| | 118 | #endif |
| | 119 | |
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