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1 | #ifndef XTHREAD_H_ |
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2 | #define XTHREAD_H_ |
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3 | |
1 | /* wether word reads are potentially non-atomic. |
4 | /* whether word reads are potentially non-atomic. |
2 | * this is conservatice, likely most arches this runs |
5 | * this is conservative, likely most arches this runs |
3 | * on have atomic word read/writes. |
6 | * on have atomic word read/writes. |
4 | */ |
7 | */ |
5 | #ifndef WORDACCESS_UNSAFE |
8 | #ifndef WORDACCESS_UNSAFE |
6 | # if __i386 || __x86_64 |
9 | # if __i386 || __x86_64 |
7 | # define WORDACCESS_UNSAFE 0 |
10 | # define WORDACCESS_UNSAFE 0 |
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11 | #endif |
14 | #endif |
12 | |
15 | |
13 | ///////////////////////////////////////////////////////////////////////////// |
16 | ///////////////////////////////////////////////////////////////////////////// |
14 | |
17 | |
15 | #ifdef _WIN32 |
18 | #ifdef _WIN32 |
16 | typedef int ssize_t; |
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17 | |
19 | |
18 | #define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls |
20 | #define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls |
19 | #define _WIN32_WINNT 0x400 |
21 | #define _WIN32_WINNT 0x400 |
20 | #include <stdio.h>//D |
22 | #include <stdio.h>//D |
21 | #include <fcntl.h> |
23 | #include <fcntl.h> |
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28 | #define sigset_t int |
30 | #define sigset_t int |
29 | #define sigfillset(a) |
31 | #define sigfillset(a) |
30 | #define pthread_sigmask(a,b,c) |
32 | #define pthread_sigmask(a,b,c) |
31 | #define sigaddset(a,b) |
33 | #define sigaddset(a,b) |
32 | #define sigemptyset(s) |
34 | #define sigemptyset(s) |
33 | #define sigfillset(s) |
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34 | |
35 | |
35 | typedef pthread_mutex_t mutex_t; |
36 | typedef pthread_mutex_t xmutex_t; |
36 | #define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
37 | #define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
37 | #define X_MUTEX_CHECK(mutex) |
38 | #define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0) |
38 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
39 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
39 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
40 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
40 | |
41 | |
41 | typedef pthread_cond_t cond_t; |
42 | typedef pthread_cond_t xcond_t; |
42 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
43 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
43 | #define X_COND_CHECK(cond) |
44 | #define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0) |
44 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
45 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
45 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
46 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
46 | #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)) |
47 | |
48 | |
48 | typedef pthread_t thread_t; |
49 | typedef pthread_t xthread_t; |
49 | #define X_THREAD_PROC(name) void *name (void *thr_arg) |
50 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
50 | #define X_THREAD_ATFORK(a,b,c) |
51 | #define X_THREAD_ATFORK(a,b,c) |
51 | |
52 | |
52 | static int |
53 | static int |
53 | thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
54 | xthread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
54 | { |
55 | { |
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56 | int retval; |
55 | pthread_attr_t attr; |
57 | pthread_attr_t attr; |
56 | |
58 | |
57 | pthread_attr_init (&attr); |
59 | pthread_attr_init (&attr); |
58 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
60 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
59 | |
61 | |
60 | return pthread_create (tid, &attr, proc, arg) == 0; |
62 | retval = pthread_create (tid, &attr, proc, arg) == 0; |
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63 | |
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64 | pthread_attr_destroy (&attr); |
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65 | |
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66 | return retval; |
61 | } |
67 | } |
62 | |
68 | |
63 | #define respipe_read(a,b,c) PerlSock_recv ((a), (b), (c), 0) |
69 | #define respipe_read(a,b,c) PerlSock_recv ((a), (b), (c), 0) |
64 | #define respipe_write(a,b,c) send ((a), (b), (c), 0) |
70 | #define respipe_write(a,b,c) send ((a), (b), (c), 0) |
65 | #define respipe_close(a) PerlSock_closesocket ((a)) |
71 | #define respipe_close(a) PerlSock_closesocket ((a)) |
66 | |
72 | |
67 | #else |
73 | #else |
68 | ///////////////////////////////////////////////////////////////////////////// |
74 | ///////////////////////////////////////////////////////////////////////////// |
69 | |
75 | |
70 | /* solaris */ |
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71 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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72 | |
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73 | #if __linux && !defined(_GNU_SOURCE) |
76 | #if __linux && !defined(_GNU_SOURCE) |
74 | # define _GNU_SOURCE |
77 | # define _GNU_SOURCE |
75 | #endif |
78 | #endif |
76 | |
79 | |
77 | /* just in case */ |
80 | /* just in case */ |
78 | #define _REENTRANT 1 |
81 | #define _REENTRANT 1 |
79 | |
82 | |
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83 | #if __solaris |
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84 | # define _POSIX_PTHREAD_SEMANTICS 1 |
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85 | /* try to bribe solaris headers into providing a current pthread API |
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86 | * despite environment being configured for an older version. |
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87 | */ |
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88 | # define __EXTENSIONS__ 1 |
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89 | #endif |
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90 | |
80 | #include <unistd.h> |
91 | #include <unistd.h> |
81 | #include <fcntl.h> |
92 | #include <fcntl.h> |
82 | #include <signal.h> |
93 | #include <signal.h> |
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94 | #include <limits.h> |
83 | #include <pthread.h> |
95 | #include <pthread.h> |
84 | |
96 | |
85 | typedef pthread_mutex_t mutex_t; |
97 | typedef pthread_mutex_t xmutex_t; |
86 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
98 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
87 | # 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) |
88 | #else |
107 | #else |
89 | # 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) |
90 | #endif |
110 | #endif |
91 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
111 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
92 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
112 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
93 | |
113 | |
94 | typedef pthread_cond_t cond_t; |
114 | typedef pthread_cond_t xcond_t; |
95 | #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) |
96 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
117 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
97 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
118 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
98 | #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)) |
99 | |
120 | |
100 | typedef pthread_t thread_t; |
121 | typedef pthread_t xthread_t; |
101 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
122 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
102 | #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) |
103 | |
124 | |
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125 | // the broken bsd's once more |
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126 | #ifndef PTHREAD_STACK_MIN |
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127 | # define PTHREAD_STACK_MIN 0 |
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128 | #endif |
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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 | |
104 | static int |
134 | static int |
105 | thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
135 | xthread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
106 | { |
136 | { |
107 | int retval; |
137 | int retval; |
108 | sigset_t fullsigset, oldsigset; |
138 | sigset_t fullsigset, oldsigset; |
109 | pthread_attr_t attr; |
139 | pthread_attr_t attr; |
110 | |
140 | |
111 | pthread_attr_init (&attr); |
141 | pthread_attr_init (&attr); |
112 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
142 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
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143 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < X_STACKSIZE ? X_STACKSIZE : PTHREAD_STACK_MIN); |
113 | #ifdef PTHREAD_SCOPE_PROCESS |
144 | #ifdef PTHREAD_SCOPE_PROCESS |
114 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
145 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
115 | #endif |
146 | #endif |
116 | |
147 | |
117 | sigfillset (&fullsigset); |
148 | sigfillset (&fullsigset); |
118 | |
149 | |
119 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
150 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
120 | retval = pthread_create (tid, &attr, proc, arg) == 0; |
151 | retval = pthread_create (tid, &attr, proc, arg) == 0; |
121 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
152 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
122 | |
153 | |
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154 | pthread_attr_destroy (&attr); |
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155 | |
123 | return retval; |
156 | return retval; |
124 | } |
157 | } |
125 | |
158 | |
126 | #define respipe_read(a,b,c) read ((a), (b), (c)) |
159 | #define respipe_read(a,b,c) read ((a), (b), (c)) |
127 | #define respipe_write(a,b,c) write ((a), (b), (c)) |
160 | #define respipe_write(a,b,c) write ((a), (b), (c)) |
128 | #define respipe_close(a) close ((a)) |
161 | #define respipe_close(a) close ((a)) |
129 | |
162 | |
130 | #endif |
163 | #endif |
131 | |
164 | |
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165 | #endif |
132 | |
166 | |
133 | |
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