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 |
… | |
… | |
14 | #endif |
14 | #endif |
15 | |
15 | |
16 | ///////////////////////////////////////////////////////////////////////////// |
16 | ///////////////////////////////////////////////////////////////////////////// |
17 | |
17 | |
18 | #ifdef _WIN32 |
18 | #ifdef _WIN32 |
19 | typedef int ssize_t; |
|
|
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> |
… | |
… | |
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) |
35 | #define sigfillset(s) |
37 | |
36 | |
38 | typedef pthread_mutex_t mutex_t; |
37 | typedef pthread_mutex_t xmutex_t; |
39 | #define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
38 | #define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
|
|
39 | #define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0) |
40 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
40 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
41 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
41 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
42 | |
42 | |
43 | typedef pthread_cond_t cond_t; |
43 | typedef pthread_cond_t xcond_t; |
44 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
44 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
|
|
45 | #define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0) |
45 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
46 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
46 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
47 | #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)) |
48 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
48 | |
49 | |
49 | typedef pthread_t thread_t; |
50 | typedef pthread_t xthread_t; |
50 | #define X_THREAD_PROC(name) void *name (void *thr_arg) |
51 | #define X_THREAD_PROC(name) void *name (void *thr_arg) |
51 | #define X_THREAD_ATFORK(a,b,c) |
52 | #define X_THREAD_ATFORK(a,b,c) |
52 | |
53 | |
53 | static int |
54 | static int |
54 | thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
55 | thread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
55 | { |
56 | { |
56 | int retval; |
57 | int retval; |
57 | pthread_attr_t attr; |
58 | pthread_attr_t attr; |
58 | |
59 | |
59 | pthread_attr_init (&attr); |
60 | pthread_attr_init (&attr); |
… | |
… | |
92 | #include <fcntl.h> |
93 | #include <fcntl.h> |
93 | #include <signal.h> |
94 | #include <signal.h> |
94 | #include <limits.h> |
95 | #include <limits.h> |
95 | #include <pthread.h> |
96 | #include <pthread.h> |
96 | |
97 | |
97 | typedef pthread_mutex_t mutex_t; |
98 | typedef pthread_mutex_t xmutex_t; |
98 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
99 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
99 | # define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
100 | # define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
|
|
101 | # define X_MUTEX_CREATE(mutex) \ |
|
|
102 | do { \ |
|
|
103 | pthread_mutexattr_t attr; \ |
|
|
104 | pthread_mutexattr_init (&attr); \ |
|
|
105 | pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_ADAPTIVE_NP); \ |
|
|
106 | pthread_mutex_init (&(mutex), &attr); \ |
|
|
107 | } while (0) |
100 | #else |
108 | #else |
101 | # define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
109 | # define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
|
|
110 | # define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0) |
102 | #endif |
111 | #endif |
103 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
112 | #define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
104 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
113 | #define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
105 | |
114 | |
106 | typedef pthread_cond_t cond_t; |
115 | typedef pthread_cond_t xcond_t; |
107 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
116 | #define X_COND_INIT PTHREAD_COND_INITIALIZER |
|
|
117 | #define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0) |
108 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
118 | #define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
109 | #define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) |
119 | #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)) |
120 | #define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
111 | |
121 | |
112 | typedef pthread_t thread_t; |
122 | typedef pthread_t xthread_t; |
113 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
123 | #define X_THREAD_PROC(name) static void *name (void *thr_arg) |
114 | #define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child) |
124 | #define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child) |
115 | |
125 | |
|
|
126 | // the broken bsd's once more |
|
|
127 | #ifndef PTHREAD_STACK_MIN |
|
|
128 | # define PTHREAD_STACK_MIN 0 |
|
|
129 | #endif |
|
|
130 | |
|
|
131 | #ifndef X_STACKSIZE |
|
|
132 | # define X_STACKSIZE sizeof (void *) * 4096 |
|
|
133 | #endif |
|
|
134 | |
116 | static int |
135 | static int |
117 | thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
136 | thread_create (xthread_t *tid, void *(*proc)(void *), void *arg) |
118 | { |
137 | { |
119 | int retval; |
138 | int retval; |
120 | sigset_t fullsigset, oldsigset; |
139 | sigset_t fullsigset, oldsigset; |
121 | pthread_attr_t attr; |
140 | pthread_attr_t attr; |
122 | |
141 | |
123 | pthread_attr_init (&attr); |
142 | pthread_attr_init (&attr); |
124 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
143 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
125 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096 |
144 | pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < X_STACKSIZE ? X_STACKSIZE : PTHREAD_STACK_MIN); |
126 | ? sizeof (long) * 4096 : PTHREAD_STACK_MIN); |
|
|
127 | #ifdef PTHREAD_SCOPE_PROCESS |
145 | #ifdef PTHREAD_SCOPE_PROCESS |
128 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
146 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
129 | #endif |
147 | #endif |
130 | |
148 | |
131 | sigfillset (&fullsigset); |
149 | sigfillset (&fullsigset); |