1 | #ifndef XTHREAD_H_ |
1 | #ifndef XTHREAD_H_ |
2 | #define XTHREAD_H_ |
2 | #define XTHREAD_H_ |
3 | |
3 | |
4 | /* whether word reads are potentially non-atomic. |
4 | /* whether word reads are potentially non-atomic. |
5 | * this is conservatice, likely most arches this runs |
5 | * this is conservative, likely most arches this runs |
6 | * on have atomic word read/writes. |
6 | * on have atomic word read/writes. |
7 | */ |
7 | */ |
8 | #ifndef WORDACCESS_UNSAFE |
8 | #ifndef WORDACCESS_UNSAFE |
9 | # if __i386 || __x86_64 |
9 | # if __i386 || __x86_64 |
10 | # define WORDACCESS_UNSAFE 0 |
10 | # define WORDACCESS_UNSAFE 0 |
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14 | #endif |
14 | #endif |
15 | |
15 | |
16 | ///////////////////////////////////////////////////////////////////////////// |
16 | ///////////////////////////////////////////////////////////////////////////// |
17 | |
17 | |
18 | #ifdef _WIN32 |
18 | #ifdef _WIN32 |
19 | typedef int ssize_t; |
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20 | |
19 | |
21 | #define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls |
20 | //#define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls, fails with mingw |
22 | #define _WIN32_WINNT 0x400 |
21 | #if _WIN32_WINNT < 0x400 |
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22 | # define _WIN32_WINNT 0x400 // maybe working alternative for mingw |
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23 | #endif |
23 | #include <stdio.h>//D |
24 | #include <stdio.h>//D |
24 | #include <fcntl.h> |
25 | #include <fcntl.h> |
25 | #include <io.h> |
26 | #include <io.h> |
26 | #include <time.h> |
27 | #include <time.h> |
27 | #include <winsock2.h> |
28 | #include <winsock2.h> |
28 | #include <process.h> |
29 | #include <process.h> |
29 | #include <windows.h> |
30 | #include <windows.h> |
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31 | |
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32 | /* work around some bugs in ptw32 */ |
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33 | #if defined(__MINGW32__) && defined(_TIMESPEC_DEFINED) |
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34 | #define HAVE_STRUCT_TIMESPEC 1 |
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35 | #endif |
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36 | |
30 | #include <pthread.h> |
37 | #include <pthread.h> |
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38 | #ifndef pthread_sigmask |
31 | #define sigset_t int |
39 | # define sigset_t int |
32 | #define sigfillset(a) |
40 | # define sigfillset(a) |
33 | #define pthread_sigmask(a,b,c) |
41 | # define pthread_sigmask(a,b,c) |
34 | #define sigaddset(a,b) |
42 | # define sigaddset(a,b) |
35 | #define sigemptyset(s) |
43 | # define sigemptyset(s) |
36 | #define sigfillset(s) |
44 | #endif |
37 | |
45 | |
38 | typedef pthread_mutex_t mutex_t; |
46 | typedef pthread_mutex_t xmutex_t; |
39 | #define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
47 | #define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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48 | #define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0) |
40 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
49 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
41 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
50 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
42 | |
51 | |
43 | typedef pthread_cond_t cond_t; |
52 | typedef pthread_cond_t xcond_t; |
44 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
53 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
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54 | #define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0) |
45 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
55 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
46 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
56 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
47 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
57 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
48 | |
58 | |
49 | typedef pthread_t thread_t; |
59 | typedef pthread_t xthread_t; |
50 | #define X_THREAD_PROC(name) void *name (void *thr_arg) |
60 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
51 | #define X_THREAD_ATFORK(a,b,c) |
61 | #define X_THREAD_ATFORK(a,b,c) |
52 | |
62 | |
53 | static int |
63 | static int |
54 | thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
64 | xthread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
55 | { |
65 | { |
56 | int retval; |
66 | int retval; |
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67 | #if 0 |
57 | pthread_attr_t attr; |
68 | pthread_attr_t attr; |
58 | |
69 | |
59 | pthread_attr_init (&attr); |
70 | pthread_attr_init (&attr); |
60 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
71 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
61 | |
72 | |
62 | retval = pthread_create (tid, &attr, proc, arg) == 0; |
73 | retval = pthread_create (tid, &attr, proc, arg) == 0; |
63 | |
74 | |
64 | pthread_attr_destroy (&attr); |
75 | pthread_attr_destroy (&attr); |
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76 | #else |
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77 | retval = pthread_create (tid, 0, proc, arg) == 0; |
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78 | |
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79 | if (retval) |
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80 | pthread_detach (*tid); |
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81 | #endif |
65 | |
82 | |
66 | return retval; |
83 | return retval; |
67 | } |
84 | } |
68 | |
85 | |
69 | #define respipe_read(a,b,c) PerlSock_recv ((a), (b), (c), 0) |
86 | #define respipe_read(a,b,c) PerlSock_recv ((a), (b), (c), 0) |
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92 | #include <fcntl.h> |
109 | #include <fcntl.h> |
93 | #include <signal.h> |
110 | #include <signal.h> |
94 | #include <limits.h> |
111 | #include <limits.h> |
95 | #include <pthread.h> |
112 | #include <pthread.h> |
96 | |
113 | |
97 | typedef pthread_mutex_t mutex_t; |
114 | typedef pthread_mutex_t xmutex_t; |
98 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
115 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
99 | # define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
116 | # define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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117 | # define X_MUTEX_CREATE(mutex) \ |
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118 | do { \ |
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119 | pthread_mutexattr_t attr; \ |
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120 | pthread_mutexattr_init (&attr); \ |
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121 | pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_ADAPTIVE_NP); \ |
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122 | pthread_mutex_init (&(mutex), &attr); \ |
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123 | } while (0) |
100 | #else |
124 | #else |
101 | # define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
125 | # define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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126 | # define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0) |
102 | #endif |
127 | #endif |
103 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
128 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
104 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
129 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
105 | |
130 | |
106 | typedef pthread_cond_t cond_t; |
131 | typedef pthread_cond_t xcond_t; |
107 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
132 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
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133 | #define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0) |
108 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
134 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
109 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
135 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
110 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
136 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
111 | |
137 | |
112 | typedef pthread_t thread_t; |
138 | typedef pthread_t xthread_t; |
113 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
139 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
114 | #define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child) |
140 | #define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child) |
115 | |
141 | |
116 | // the broken bsd's once more |
142 | // the broken bsd's once more |
117 | #ifndef PTHREAD_STACK_MIN |
143 | #ifndef PTHREAD_STACK_MIN |
118 | # define PTHREAD_STACK_MIN 0 |
144 | # define PTHREAD_STACK_MIN 0 |
119 | #endif |
145 | #endif |
120 | |
146 | |
121 | #ifndef XTHREAD_STACKSIZE |
147 | #ifndef X_STACKSIZE |
122 | # define XTHREAD_STACKSIZE sizeof (long) * 4096 |
148 | # define X_STACKSIZE sizeof (void *) * 4096 |
123 | #endif |
149 | #endif |
124 | |
150 | |
125 | static int |
151 | static int |
126 | thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
152 | xthread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
127 | { |
153 | { |
128 | int retval; |
154 | int retval; |
129 | sigset_t fullsigset, oldsigset; |
155 | sigset_t fullsigset, oldsigset; |
130 | pthread_attr_t attr; |
156 | pthread_attr_t attr; |
131 | |
157 | |
132 | pthread_attr_init (&attr); |
158 | pthread_attr_init (&attr); |
133 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
159 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
134 | |
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135 | if (XTHREAD_STACKSIZE > 0) |
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136 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN > (XTHREAD_STACKSIZE) |
160 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < X_STACKSIZE ? X_STACKSIZE : PTHREAD_STACK_MIN); |
137 | ? PTHREAD_STACK_MIN : (XTHREAD_STACKSIZE)); |
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138 | |
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139 | #ifdef PTHREAD_SCOPE_PROCESS |
161 | #ifdef PTHREAD_SCOPE_PROCESS |
140 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
162 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
141 | #endif |
163 | #endif |
142 | |
164 | |
143 | sigfillset (&fullsigset); |
165 | sigfillset (&fullsigset); |
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155 | #define respipe_write(a,b,c) write ((a), (b), (c)) |
177 | #define respipe_write(a,b,c) write ((a), (b), (c)) |
156 | #define respipe_close(a) close ((a)) |
178 | #define respipe_close(a) close ((a)) |
157 | |
179 | |
158 | #endif |
180 | #endif |
159 | |
181 | |
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182 | #if __linux && __GNUC__ >= 4 && __GLIBC__ >= 2 && __GLIBC_MINOR__ >= 3 && 0 /* also check arch */ |
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183 | /* __thread has little to no advantage over pthread_* in most configurations, so this is not used */ |
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184 | # define X_TLS_DECLARE(varname) __thread void *varname |
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185 | # define X_TLS_INIT(varname) |
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186 | # define X_TLS_SET(varname,value) varname = (value) |
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187 | # define X_TLS_GET(varname) varname |
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188 | #else |
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189 | # define X_TLS_DECLARE(varname) pthread_key_t varname |
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190 | # define X_TLS_INIT(varname) do { if (pthread_key_create (&(varname), 0)) abort (); } while (0) |
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191 | # define X_TLS_SET(varname,value) pthread_setspecific (varname, (value)) |
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192 | # define X_TLS_GET(varname) pthread_getspecific (varname) |
160 | #endif |
193 | #endif |
161 | |
194 | |
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195 | #endif |
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196 | |