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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 |
… | |
… | |
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> |
22 | #include <io.h> |
24 | #include <io.h> |
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25 | #include <time.h> |
23 | #include <winsock2.h> |
26 | #include <winsock2.h> |
24 | #include <process.h> |
27 | #include <process.h> |
25 | #include <windows.h> |
28 | #include <windows.h> |
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29 | #include <pthread.h> |
26 | #define sigset_t int |
30 | #define sigset_t int |
27 | #define sigfillset(a) |
31 | #define sigfillset(a) |
28 | #define pthread_sigmask(a,b,c) |
32 | #define pthread_sigmask(a,b,c) |
29 | #define sigaddset(a,b) |
33 | #define sigaddset(a,b) |
30 | #define sigemptyset(s) |
34 | #define sigemptyset(s) |
31 | #define sigfillset(s) |
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32 | |
35 | |
33 | #define pthread_kill(a,b) |
36 | typedef pthread_mutex_t xmutex_t; |
34 | #define pthread_self() 0 |
37 | #define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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38 | #define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0) |
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39 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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40 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
35 | |
41 | |
36 | typedef HANDLE mutex_t; |
42 | typedef pthread_cond_t xcond_t; |
37 | #define X_MUTEX_INIT 0 |
43 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
38 | #define X_MUTEX_CHECK(mutex) if (!(mutex)) (mutex) = CreateMutex (NULL, FALSE, NULL) |
44 | #define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0) |
39 | #define X_LOCK(mutex) WaitForSingleObject ((mutex), INFINITE) |
45 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
40 | #define X_UNLOCK(mutex) ReleaseMutex (mutex) |
46 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
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47 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
41 | |
48 | |
42 | typedef HANDLE cond_t; |
49 | typedef pthread_t xthread_t; |
43 | #define X_COND_INIT 0 |
50 | #define X_THREAD_PROC(name) void *name (void *thr_arg) |
44 | #define X_COND_CHECK(cond) if (!(cond)) (cond) = CreateEvent (NULL, FALSE, FALSE, NULL) |
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45 | #define X_COND_SIGNAL(cond) SetEvent (cond) |
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46 | #define X_COND_WAIT(cond,mutex) do { SignalObjectAndWait ((mutex), (cond),INFINITE, FALSE); WaitForSingleObject ((mutex), INFINITE); } while (0) |
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47 | |
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48 | #define ETIMEDOUT 1 |
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49 | |
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50 | struct timespec { |
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51 | unsigned long tv_sec, tv_nsec; |
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52 | }; |
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53 | |
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54 | static int |
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55 | X_COND_TIMEDWAIT (mutex_t mutex, cond_t cond, struct timespec to) |
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56 | { |
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57 | unsigned long ms = to.tv_nsec / 1000 + to.tv_sec * 1000; |
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58 | |
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59 | if (SignalObjectAndWait (mutex, cond, ms, FALSE) == WAIT_TIMEOUT) |
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60 | return ETIMEDOUT; |
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61 | |
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62 | if (WaitForSingleObject (mutex, ms) == WAIT_TIMEOUT) |
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63 | return ETIMEDOUT; |
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64 | |
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65 | return 0; |
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66 | } |
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67 | |
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68 | typedef DWORD thread_t; |
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69 | #define X_THREAD_PROC(name) DWORD WINAPI name (LPVOID thr_arg) |
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70 | #define X_THREAD_ATFORK(a,b,c) |
51 | #define X_THREAD_ATFORK(a,b,c) |
71 | |
52 | |
72 | static int |
53 | static int |
73 | thread_create (thread_t *tid, LPTHREAD_START_ROUTINE proc, void *arg) |
54 | thread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
74 | { |
55 | { |
75 | *tid = 0; |
56 | int retval; |
76 | CreateThread (0, 4096, proc, arg, 0, tid); |
57 | pthread_attr_t attr; |
77 | return !!*tid; |
58 | |
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59 | pthread_attr_init (&attr); |
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60 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
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61 | |
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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; |
78 | } |
67 | } |
79 | |
68 | |
80 | int Perl_my_socketpair (int family, int type, int protocol, int fd[2]); |
69 | #define respipe_read(a,b,c) PerlSock_recv ((a), (b), (c), 0) |
81 | |
70 | #define respipe_write(a,b,c) send ((a), (b), (c), 0) |
82 | static int |
71 | #define respipe_close(a) PerlSock_closesocket ((a)) |
83 | create_pipe (int fd[2]) |
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84 | { |
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85 | int arg = 1; |
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86 | Perl_my_socketpair (AF_UNIX, SOCK_STREAM, 0, fd); |
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87 | ioctlsocket (fd [0], FIONBIO, &arg); |
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88 | ioctlsocket (fd [1], FIONBIO, &arg); |
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89 | |
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90 | return 1; |
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91 | } |
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92 | |
72 | |
93 | #else |
73 | #else |
94 | ///////////////////////////////////////////////////////////////////////////// |
74 | ///////////////////////////////////////////////////////////////////////////// |
95 | |
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96 | /* solaris */ |
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97 | #define _POSIX_PTHREAD_SEMANTICS 1 |
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98 | |
75 | |
99 | #if __linux && !defined(_GNU_SOURCE) |
76 | #if __linux && !defined(_GNU_SOURCE) |
100 | # define _GNU_SOURCE |
77 | # define _GNU_SOURCE |
101 | #endif |
78 | #endif |
102 | |
79 | |
103 | /* just in case */ |
80 | /* just in case */ |
104 | #define _REENTRANT 1 |
81 | #define _REENTRANT 1 |
105 | |
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 | |
106 | #include <unistd.h> |
91 | #include <unistd.h> |
107 | #include <fcntl.h> |
92 | #include <fcntl.h> |
108 | #include <signal.h> |
93 | #include <signal.h> |
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94 | #include <limits.h> |
109 | #include <pthread.h> |
95 | #include <pthread.h> |
110 | |
96 | |
111 | #ifndef PTHREAD_STACK_MIN |
97 | typedef pthread_mutex_t xmutex_t; |
112 | /* care for broken platforms, e.g. windows */ |
98 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
113 | # define PTHREAD_STACK_MIN 16384 |
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) |
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107 | #else |
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108 | # define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
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109 | # define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0) |
114 | #endif |
110 | #endif |
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111 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
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112 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
115 | |
113 | |
116 | typedef pthread_mutex_t mutex_t; |
114 | typedef pthread_cond_t xcond_t; |
117 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
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118 | # define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
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119 | #else |
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120 | # define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
115 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
121 | #endif |
116 | #define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0) |
122 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
117 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
123 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
118 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
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119 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
124 | |
120 | |
125 | typedef pthread_cond_t cond_t; |
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126 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
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127 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
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128 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
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129 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
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130 | |
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131 | typedef pthread_t thread_t; |
121 | typedef pthread_t xthread_t; |
132 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
122 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
133 | #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) |
134 | |
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 | |
135 | static int |
134 | static int |
136 | thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
135 | thread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
137 | { |
136 | { |
138 | int retval; |
137 | int retval; |
139 | sigset_t fullsigset, oldsigset; |
138 | sigset_t fullsigset, oldsigset; |
140 | pthread_attr_t attr; |
139 | pthread_attr_t attr; |
141 | |
140 | |
142 | pthread_attr_init (&attr); |
141 | pthread_attr_init (&attr); |
143 | 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); |
144 | #ifdef PTHREAD_SCOPE_PROCESS |
144 | #ifdef PTHREAD_SCOPE_PROCESS |
145 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
145 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
146 | #endif |
146 | #endif |
147 | |
147 | |
148 | sigfillset (&fullsigset); |
148 | sigfillset (&fullsigset); |
149 | |
149 | |
150 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
150 | pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
151 | retval = pthread_create (tid, &attr, proc, arg) == 0; |
151 | retval = pthread_create (tid, &attr, proc, arg) == 0; |
152 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
152 | pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
153 | |
153 | |
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154 | pthread_attr_destroy (&attr); |
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155 | |
154 | return retval; |
156 | return retval; |
155 | } |
157 | } |
156 | |
158 | |
157 | static int |
159 | #define respipe_read(a,b,c) read ((a), (b), (c)) |
158 | create_pipe (int fd[2]) |
160 | #define respipe_write(a,b,c) write ((a), (b), (c)) |
159 | { |
161 | #define respipe_close(a) close ((a)) |
160 | if (pipe (fd) |
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161 | || fcntl (fd [0], F_SETFL, O_NONBLOCK) |
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162 | || fcntl (fd [1], F_SETFL, O_NONBLOCK)) |
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163 | return 0; |
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164 | |
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165 | return 1; |
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166 | } |
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167 | |
162 | |
168 | #endif |
163 | #endif |
169 | |
164 | |
170 | #if __ia64 |
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171 | # define STACKSIZE 65536 |
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172 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
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173 | # define STACKSIZE PTHREAD_STACK_MIN |
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174 | #else |
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175 | # define STACKSIZE 16384 |
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176 | #endif |
165 | #endif |
177 | |
166 | |
178 | |
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