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 |
22 | #define _WIN32_WINNT 0x400 |
21 | #define _WIN32_WINNT 0x400 |
23 | #include <stdio.h>//D |
22 | #include <stdio.h>//D |
24 | #include <fcntl.h> |
23 | #include <fcntl.h> |
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31 | #define sigset_t int |
30 | #define sigset_t int |
32 | #define sigfillset(a) |
31 | #define sigfillset(a) |
33 | #define pthread_sigmask(a,b,c) |
32 | #define pthread_sigmask(a,b,c) |
34 | #define sigaddset(a,b) |
33 | #define sigaddset(a,b) |
35 | #define sigemptyset(s) |
34 | #define sigemptyset(s) |
36 | #define sigfillset(s) |
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37 | |
35 | |
38 | typedef pthread_mutex_t mutex_t; |
36 | typedef pthread_mutex_t xmutex_t; |
39 | #define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
37 | #define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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38 | #define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0) |
40 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
39 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
41 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
40 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
42 | |
41 | |
43 | typedef pthread_cond_t cond_t; |
42 | typedef pthread_cond_t xcond_t; |
44 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
43 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
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44 | #define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0) |
45 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
45 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
46 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
46 | #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)) |
47 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
48 | |
48 | |
49 | typedef pthread_t thread_t; |
49 | typedef pthread_t xthread_t; |
50 | #define X_THREAD_PROC(name) void *name (void *thr_arg) |
50 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
51 | #define X_THREAD_ATFORK(a,b,c) |
51 | #define X_THREAD_ATFORK(a,b,c) |
52 | |
52 | |
53 | static int |
53 | static int |
54 | thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
54 | xthread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
55 | { |
55 | { |
56 | int retval; |
56 | int retval; |
57 | pthread_attr_t attr; |
57 | pthread_attr_t attr; |
58 | |
58 | |
59 | pthread_attr_init (&attr); |
59 | pthread_attr_init (&attr); |
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92 | #include <fcntl.h> |
92 | #include <fcntl.h> |
93 | #include <signal.h> |
93 | #include <signal.h> |
94 | #include <limits.h> |
94 | #include <limits.h> |
95 | #include <pthread.h> |
95 | #include <pthread.h> |
96 | |
96 | |
97 | typedef pthread_mutex_t mutex_t; |
97 | typedef pthread_mutex_t xmutex_t; |
98 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
98 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
99 | # define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
99 | # define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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100 | # define X_MUTEX_CREATE(mutex) \ |
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101 | do { \ |
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102 | pthread_mutexattr_t attr; \ |
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103 | pthread_mutexattr_init (&attr); \ |
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104 | pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_ADAPTIVE_NP); \ |
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105 | pthread_mutex_init (&(mutex), &attr); \ |
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106 | } while (0) |
100 | #else |
107 | #else |
101 | # define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
108 | # define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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109 | # define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0) |
102 | #endif |
110 | #endif |
103 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
111 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
104 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
112 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
105 | |
113 | |
106 | typedef pthread_cond_t cond_t; |
114 | typedef pthread_cond_t xcond_t; |
107 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
115 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
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116 | #define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0) |
108 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
117 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
109 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
118 | #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)) |
119 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
111 | |
120 | |
112 | typedef pthread_t thread_t; |
121 | typedef pthread_t xthread_t; |
113 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
122 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
114 | #define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child) |
123 | #define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child) |
115 | |
124 | |
116 | // the broken bsd's once more |
125 | // the broken bsd's once more |
117 | #ifndef PTHREAD_STACK_MIN |
126 | #ifndef PTHREAD_STACK_MIN |
118 | # define PTHREAD_STACK_MIN 0 |
127 | # define PTHREAD_STACK_MIN 0 |
119 | #endif |
128 | #endif |
120 | |
129 | |
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130 | #ifndef X_STACKSIZE |
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131 | # define X_STACKSIZE sizeof (void *) * 4096 |
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132 | #endif |
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133 | |
121 | static int |
134 | static int |
122 | thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
135 | xthread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
123 | { |
136 | { |
124 | int retval; |
137 | int retval; |
125 | sigset_t fullsigset, oldsigset; |
138 | sigset_t fullsigset, oldsigset; |
126 | pthread_attr_t attr; |
139 | pthread_attr_t attr; |
127 | |
140 | |
128 | pthread_attr_init (&attr); |
141 | pthread_attr_init (&attr); |
129 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
142 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
130 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096 |
143 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < X_STACKSIZE ? X_STACKSIZE : PTHREAD_STACK_MIN); |
131 | ? sizeof (long) * 4096 : PTHREAD_STACK_MIN); |
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132 | #ifdef PTHREAD_SCOPE_PROCESS |
144 | #ifdef PTHREAD_SCOPE_PROCESS |
133 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
145 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
134 | #endif |
146 | #endif |
135 | |
147 | |
136 | sigfillset (&fullsigset); |
148 | sigfillset (&fullsigset); |