1 |
#ifndef XTHREAD_H_ |
2 |
#define XTHREAD_H_ |
3 |
|
4 |
/* whether word reads are potentially non-atomic. |
5 |
* this is conservatice, likely most arches this runs |
6 |
* on have atomic word read/writes. |
7 |
*/ |
8 |
#ifndef WORDACCESS_UNSAFE |
9 |
# if __i386 || __x86_64 |
10 |
# define WORDACCESS_UNSAFE 0 |
11 |
# else |
12 |
# define WORDACCESS_UNSAFE 1 |
13 |
# endif |
14 |
#endif |
15 |
|
16 |
///////////////////////////////////////////////////////////////////////////// |
17 |
|
18 |
#ifdef _WIN32 |
19 |
typedef int ssize_t; |
20 |
|
21 |
#define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls |
22 |
#define _WIN32_WINNT 0x400 |
23 |
#include <stdio.h>//D |
24 |
#include <fcntl.h> |
25 |
#include <io.h> |
26 |
#include <time.h> |
27 |
#include <winsock2.h> |
28 |
#include <process.h> |
29 |
#include <windows.h> |
30 |
#include <pthread.h> |
31 |
#define sigset_t int |
32 |
#define sigfillset(a) |
33 |
#define pthread_sigmask(a,b,c) |
34 |
#define sigaddset(a,b) |
35 |
#define sigemptyset(s) |
36 |
#define sigfillset(s) |
37 |
|
38 |
typedef pthread_mutex_t mutex_t; |
39 |
#define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
40 |
#define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
41 |
#define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
42 |
|
43 |
typedef pthread_cond_t cond_t; |
44 |
#define X_COND_INIT PTHREAD_COND_INITIALIZER |
45 |
#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_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) |
48 |
|
49 |
typedef pthread_t thread_t; |
50 |
#define X_THREAD_PROC(name) void *name (void *thr_arg) |
51 |
#define X_THREAD_ATFORK(a,b,c) |
52 |
|
53 |
static int |
54 |
thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
55 |
{ |
56 |
int retval; |
57 |
pthread_attr_t attr; |
58 |
|
59 |
pthread_attr_init (&attr); |
60 |
pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
61 |
|
62 |
retval = pthread_create (tid, &attr, proc, arg) == 0; |
63 |
|
64 |
pthread_attr_destroy (&attr); |
65 |
|
66 |
return retval; |
67 |
} |
68 |
|
69 |
#define respipe_read(a,b,c) PerlSock_recv ((a), (b), (c), 0) |
70 |
#define respipe_write(a,b,c) send ((a), (b), (c), 0) |
71 |
#define respipe_close(a) PerlSock_closesocket ((a)) |
72 |
|
73 |
#else |
74 |
///////////////////////////////////////////////////////////////////////////// |
75 |
|
76 |
#if __linux && !defined(_GNU_SOURCE) |
77 |
# define _GNU_SOURCE |
78 |
#endif |
79 |
|
80 |
/* just in case */ |
81 |
#define _REENTRANT 1 |
82 |
|
83 |
#if __solaris |
84 |
# define _POSIX_PTHREAD_SEMANTICS 1 |
85 |
/* try to bribe solaris headers into providing a current pthread API |
86 |
* despite environment being configured for an older version. |
87 |
*/ |
88 |
# define __EXTENSIONS__ 1 |
89 |
#endif |
90 |
|
91 |
#include <unistd.h> |
92 |
#include <fcntl.h> |
93 |
#include <signal.h> |
94 |
#include <limits.h> |
95 |
#include <pthread.h> |
96 |
|
97 |
typedef pthread_mutex_t mutex_t; |
98 |
#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
99 |
# define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
100 |
#else |
101 |
# define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
102 |
#endif |
103 |
#define X_LOCK(mutex) pthread_mutex_lock (&(mutex)) |
104 |
#define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
105 |
|
106 |
typedef pthread_cond_t cond_t; |
107 |
#define X_COND_INIT PTHREAD_COND_INITIALIZER |
108 |
#define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond)) |
109 |
#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)) |
111 |
|
112 |
typedef pthread_t thread_t; |
113 |
#define X_THREAD_PROC(name) static void *name (void *thr_arg) |
114 |
#define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child) |
115 |
|
116 |
// the broken bsd's once more |
117 |
#ifndef PTHREAD_STACK_MIN |
118 |
# define PTHREAD_STACK_MIN 0 |
119 |
#endif |
120 |
|
121 |
static int |
122 |
thread_create (thread_t *tid, void *(*proc)(void *), void *arg) |
123 |
{ |
124 |
int retval; |
125 |
sigset_t fullsigset, oldsigset; |
126 |
pthread_attr_t attr; |
127 |
|
128 |
pthread_attr_init (&attr); |
129 |
pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
130 |
pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < sizeof (long) * 4096 |
131 |
? sizeof (long) * 4096 : PTHREAD_STACK_MIN); |
132 |
#ifdef PTHREAD_SCOPE_PROCESS |
133 |
pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
134 |
#endif |
135 |
|
136 |
sigfillset (&fullsigset); |
137 |
|
138 |
pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
139 |
retval = pthread_create (tid, &attr, proc, arg) == 0; |
140 |
pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
141 |
|
142 |
pthread_attr_destroy (&attr); |
143 |
|
144 |
return retval; |
145 |
} |
146 |
|
147 |
#define respipe_read(a,b,c) read ((a), (b), (c)) |
148 |
#define respipe_write(a,b,c) write ((a), (b), (c)) |
149 |
#define respipe_close(a) close ((a)) |
150 |
|
151 |
#endif |
152 |
|
153 |
#endif |
154 |
|