Commit | Line | Data |
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ea0efc06 MB |
1 | #include "EXTERN.h" |
2 | #include "perl.h" | |
d55594ae | 3 | |
c69f112c | 4 | #ifdef USE_DECLSPEC_THREAD |
61c8b479 | 5 | __declspec(thread) struct perl_thread *Perl_current_thread = NULL; |
c69f112c | 6 | #endif |
9811a7d7 NIS |
7 | |
8 | void | |
61c8b479 | 9 | Perl_setTHR(struct perl_thread *t) |
9811a7d7 | 10 | { |
4c36ecb7 | 11 | #ifdef USE_THREADS |
c69f112c | 12 | #ifdef USE_DECLSPEC_THREAD |
0fefa03b | 13 | Perl_current_thread = t; |
c69f112c NIS |
14 | #else |
15 | TlsSetValue(thr_key,t); | |
16 | #endif | |
4c36ecb7 | 17 | #endif |
9811a7d7 NIS |
18 | } |
19 | ||
61c8b479 | 20 | struct perl_thread * |
9811a7d7 NIS |
21 | Perl_getTHR(void) |
22 | { | |
4c36ecb7 | 23 | #ifdef USE_THREADS |
c69f112c | 24 | #ifdef USE_DECLSPEC_THREAD |
0fefa03b | 25 | return Perl_current_thread; |
c69f112c NIS |
26 | #else |
27 | return (struct perl_thread *) TlsGetValue(thr_key); | |
28 | #endif | |
4c36ecb7 NIS |
29 | #else |
30 | return NULL; | |
31 | #endif | |
9811a7d7 NIS |
32 | } |
33 | ||
d55594ae GS |
34 | void |
35 | Perl_alloc_thread_key(void) | |
36 | { | |
37 | #ifdef USE_THREADS | |
38 | static int key_allocated = 0; | |
39 | if (!key_allocated) { | |
40 | if ((thr_key = TlsAlloc()) == TLS_OUT_OF_INDEXES) | |
41 | croak("panic: TlsAlloc"); | |
42 | key_allocated = 1; | |
43 | } | |
44 | #endif | |
45 | } | |
ea0efc06 MB |
46 | |
47 | void | |
22239a37 | 48 | Perl_init_thread_intern(struct perl_thread *athr) |
c53bd28a NIS |
49 | { |
50 | #ifdef USE_THREADS | |
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 | */ | |
22239a37 | 59 | memset(&athr->i,0,sizeof(athr->i)); |
c53bd28a NIS |
60 | |
61 | #endif | |
62 | #endif | |
63 | } | |
64 | ||
65 | void | |
52e1cb5e | 66 | Perl_set_thread_self(struct perl_thread *thr) |
ea0efc06 | 67 | { |
d55594ae | 68 | #ifdef USE_THREADS |
4b026b9e GS |
69 | /* Set thr->self. GetCurrentThread() retrurns a pseudo handle, need |
70 | this to convert it into a handle another thread can use. | |
d55594ae | 71 | */ |
ea0efc06 MB |
72 | DuplicateHandle(GetCurrentProcess(), |
73 | GetCurrentThread(), | |
74 | GetCurrentProcess(), | |
46930d8f | 75 | &thr->self, |
ea0efc06 MB |
76 | 0, |
77 | FALSE, | |
78 | DUPLICATE_SAME_ACCESS); | |
d55594ae | 79 | #endif |
ea0efc06 MB |
80 | } |
81 | ||
d55594ae | 82 | #ifdef USE_THREADS |
ea0efc06 | 83 | int |
52e1cb5e | 84 | Perl_thread_create(struct perl_thread *thr, thread_func_t *fn) |
ea0efc06 MB |
85 | { |
86 | DWORD junk; | |
2d7a9237 | 87 | unsigned long th; |
ea0efc06 MB |
88 | |
89 | MUTEX_LOCK(&thr->mutex); | |
d55594ae GS |
90 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
91 | "%p: create OS thread\n", thr)); | |
2d7a9237 GS |
92 | #ifdef USE_RTL_THREAD_API |
93 | /* See comment about USE_RTL_THREAD_API in win32thread.h */ | |
94 | #if defined(__BORLANDC__) | |
95 | th = _beginthreadNT(fn, /* start address */ | |
96 | 0, /* stack size */ | |
97 | (void *)thr, /* parameters */ | |
98 | (void *)NULL, /* security attrib */ | |
99 | 0, /* creation flags */ | |
100 | (unsigned long *)&junk); /* tid */ | |
101 | if (th == (unsigned long)-1) | |
102 | th = 0; | |
103 | #elif defined(_MSC_VER_) | |
104 | th = _beginthreadex((void *)NULL, /* security attrib */ | |
105 | 0, /* stack size */ | |
106 | fn, /* start address */ | |
107 | (void*)thr, /* parameters */ | |
108 | 0, /* creation flags */ | |
109 | (unsigned *)&junk); /* tid */ | |
110 | #else /* compilers using CRTDLL.DLL only have _beginthread() */ | |
111 | th = _beginthread(fn, /* start address */ | |
112 | 0, /* stack size */ | |
113 | (void*)thr); /* parameters */ | |
114 | if (th == (unsigned long)-1) | |
115 | th = 0; | |
116 | #endif | |
117 | thr->self = (HANDLE)th; | |
118 | #else /* !USE_RTL_THREAD_API */ | |
46930d8f | 119 | thr->self = CreateThread(NULL, 0, fn, (void*)thr, 0, &junk); |
2d7a9237 | 120 | #endif /* !USE_RTL_THREAD_API */ |
d55594ae GS |
121 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
122 | "%p: OS thread = %p, id=%ld\n", thr, thr->self, junk)); | |
ea0efc06 | 123 | MUTEX_UNLOCK(&thr->mutex); |
46930d8f | 124 | return thr->self ? 0 : -1; |
ea0efc06 | 125 | } |
d55594ae | 126 | #endif |
22239a37 | 127 |