| Commit | Line | Data |
|---|
| e1caacb4 |
1 | // Time-stamp: <01/08/01 21:00:29 keuchel@w2k> |
| 2 | |
| 3 | #include "EXTERN.h" |
| 4 | #include "perl.h" |
| 5 | |
| 6 | #if defined(PERL_OBJECT) |
| 7 | #define NO_XSLOCKS |
| 8 | extern CPerlObj* pPerl; |
| 9 | #include "XSUB.h" |
| 10 | #endif |
| 11 | |
| 12 | #ifdef USE_DECLSPEC_THREAD |
| 13 | __declspec(thread) void *PL_current_context = NULL; |
| 14 | #endif |
| 15 | |
| 16 | void |
| 17 | Perl_set_context(void *t) |
| 18 | { |
| 19 | #if defined(USE_THREADS) || defined(USE_ITHREADS) |
| 20 | # ifdef USE_DECLSPEC_THREAD |
| 21 | Perl_current_context = t; |
| 22 | # else |
| 23 | DWORD err = GetLastError(); |
| 24 | TlsSetValue(PL_thr_key,t); |
| 25 | SetLastError(err); |
| 26 | # endif |
| 27 | #endif |
| 28 | } |
| 29 | |
| 30 | void * |
| 31 | Perl_get_context(void) |
| 32 | { |
| 33 | #if defined(USE_THREADS) || defined(USE_ITHREADS) |
| 34 | # ifdef USE_DECLSPEC_THREAD |
| 35 | return Perl_current_context; |
| 36 | # else |
| 37 | DWORD err = GetLastError(); |
| 38 | void *result = TlsGetValue(PL_thr_key); |
| 39 | SetLastError(err); |
| 40 | return result; |
| 41 | # endif |
| 42 | #else |
| 43 | return NULL; |
| 44 | #endif |
| 45 | } |
| 46 | |
| 47 | #ifdef USE_THREADS |
| 48 | void |
| 49 | Perl_init_thread_intern(struct perl_thread *athr) |
| 50 | { |
| 51 | #ifndef USE_DECLSPEC_THREAD |
| 52 | |
| 53 | /* |
| 54 | * Initialize port-specific per-thread data in thr->i |
| 55 | * as only things we have there are just static areas for |
| 56 | * return values we don't _need_ to do anything but |
| 57 | * this is good practice: |
| 58 | */ |
| 59 | memset(&athr->i,0,sizeof(athr->i)); |
| 60 | |
| 61 | #endif |
| 62 | } |
| 63 | |
| 64 | void |
| 65 | Perl_set_thread_self(struct perl_thread *thr) |
| 66 | { |
| 67 | /* Set thr->self. GetCurrentThread() retrurns a pseudo handle, need |
| 68 | this to convert it into a handle another thread can use. |
| 69 | */ |
| 70 | DuplicateHandle(GetCurrentProcess(), |
| 71 | GetCurrentThread(), |
| 72 | GetCurrentProcess(), |
| 73 | &thr->self, |
| 74 | 0, |
| 75 | FALSE, |
| 76 | DUPLICATE_SAME_ACCESS); |
| 77 | } |
| 78 | |
| 79 | int |
| 80 | Perl_thread_create(struct perl_thread *thr, thread_func_t *fn) |
| 81 | { |
| 82 | DWORD junk; |
| 83 | unsigned long th; |
| 84 | |
| 85 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
| 86 | "%p: create OS thread\n", thr)); |
| 87 | #ifdef USE_RTL_THREAD_API |
| 88 | /* See comment about USE_RTL_THREAD_API in win32thread.h */ |
| 89 | #if defined(__BORLANDC__) |
| 90 | th = _beginthreadNT(fn, /* start address */ |
| 91 | 0, /* stack size */ |
| 92 | (void *)thr, /* parameters */ |
| 93 | (void *)NULL, /* security attrib */ |
| 94 | 0, /* creation flags */ |
| 95 | (unsigned long *)&junk); /* tid */ |
| 96 | if (th == (unsigned long)-1) |
| 97 | th = 0; |
| 98 | #elif defined(_MSC_VER_) |
| 99 | th = _beginthreadex((void *)NULL, /* security attrib */ |
| 100 | 0, /* stack size */ |
| 101 | fn, /* start address */ |
| 102 | (void*)thr, /* parameters */ |
| 103 | 0, /* creation flags */ |
| 104 | (unsigned *)&junk); /* tid */ |
| 105 | #else /* compilers using CRTDLL.DLL only have _beginthread() */ |
| 106 | th = _beginthread(fn, /* start address */ |
| 107 | 0, /* stack size */ |
| 108 | (void*)thr); /* parameters */ |
| 109 | if (th == (unsigned long)-1) |
| 110 | th = 0; |
| 111 | #endif |
| 112 | thr->self = (HANDLE)th; |
| 113 | #else /* !USE_RTL_THREAD_API */ |
| 114 | thr->self = CreateThread(NULL, 0, fn, (void*)thr, 0, &junk); |
| 115 | #endif /* !USE_RTL_THREAD_API */ |
| 116 | DEBUG_S(PerlIO_printf(Perl_debug_log, |
| 117 | "%p: OS thread = %p, id=%ld\n", thr, thr->self, junk)); |
| 118 | return thr->self ? 0 : -1; |
| 119 | } |
| 120 | #endif |
| 121 | |
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