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Comparing BDB/xthread.h (file contents):
Revision 1.1 by root, Sat May 12 21:18:13 2007 UTC vs.
Revision 1.11 by root, Fri Jul 29 08:35:35 2011 UTC

1/* solaris */ 1#ifndef XTHREAD_H_
2#define _POSIX_PTHREAD_SEMANTICS 1 2#define XTHREAD_H_
3 3
4#if __linux && !defined(_GNU_SOURCE)
5# define _GNU_SOURCE
6#endif
7
8/* just in case */
9#define _REENTRANT 1
10
11#include <signal.h>
12#include <pthread.h>
13
14#ifndef PTHREAD_STACK_MIN
15/* care for broken platforms, e.g. windows */
16# define PTHREAD_STACK_MIN 16384
17#endif
18
19#if __ia64
20# define STACKSIZE 65536
21#elif __i386 || __x86_64 /* 16k is unreasonably high :( */
22# define STACKSIZE PTHREAD_STACK_MIN
23#else
24# define STACKSIZE 16384
25#endif
26
27/* wether word reads are potentially non-atomic. 4/* whether word reads are potentially non-atomic.
28 * this is conservatice, likely most arches this runs 5 * this is conservative, likely most arches this runs
29 * on have atomic word read/writes. 6 * on have atomic word read/writes.
30 */ 7 */
31#ifndef WORDACCESS_UNSAFE 8#ifndef WORDACCESS_UNSAFE
32# if __i386 || __x86_64 9# if __i386 || __x86_64
33# define WORDACCESS_UNSAFE 0 10# define WORDACCESS_UNSAFE 0
34# else 11# else
35# define WORDACCESS_UNSAFE 1 12# define WORDACCESS_UNSAFE 1
36# endif 13# endif
37#endif 14#endif
38 15
16/////////////////////////////////////////////////////////////////////////////
17
18#ifdef _WIN32
19
20#define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls
21#define _WIN32_WINNT 0x400
22#include <stdio.h>//D
23#include <fcntl.h>
24#include <io.h>
25#include <time.h>
26#include <winsock2.h>
27#include <process.h>
28#include <windows.h>
29#include <pthread.h>
30#define sigset_t int
31#define sigfillset(a)
32#define pthread_sigmask(a,b,c)
33#define sigaddset(a,b)
34#define sigemptyset(s)
35
39typedef pthread_mutex_t mutex_t; 36typedef pthread_mutex_t xmutex_t;
40#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
41# define MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP 37#define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
38#define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0)
39#define X_LOCK(mutex) pthread_mutex_lock (&(mutex))
40#define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
41
42typedef pthread_cond_t xcond_t;
43#define X_COND_INIT PTHREAD_COND_INITIALIZER
44#define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0)
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
49typedef pthread_t xthread_t;
50#define X_THREAD_PROC(name) void *name (void *thr_arg)
51#define X_THREAD_ATFORK(a,b,c)
52
53static int
54thread_create (xthread_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
42#else 73#else
43# define MUTEX_INIT PTHREAD_MUTEX_INITIALIZER 74/////////////////////////////////////////////////////////////////////////////
75
76#if __linux && !defined(_GNU_SOURCE)
77# define _GNU_SOURCE
44#endif 78#endif
45 79
46typedef pthread_cond_t cond_t; 80/* just in case */
47#define COND_INIT PTHREAD_COND_INITIALIZER 81#define _REENTRANT 1
48 82
49#define LOCK(mutex) pthread_mutex_lock (&(mutex)) 83#if __solaris
50#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) 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
51 90
52#define COND_SIGNAL(cond) pthread_cond_signal (&(cond)) 91#include <unistd.h>
53#define COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) 92#include <fcntl.h>
54#define COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) 93#include <signal.h>
94#include <limits.h>
95#include <pthread.h>
55 96
56typedef pthread_t thread_t; 97typedef pthread_mutex_t xmutex_t;
98#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
99# define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
100# define X_MUTEX_CREATE(mutex) \
101 do { \
102 pthread_mutexattr_t attr; \
103 pthread_mutexattr_init (&attr); \
104 pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_ADAPTIVE_NP); \
105 pthread_mutex_init (&(mutex), &attr); \
106 } while (0)
107#else
108# define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
109# define X_MUTEX_CREATE(mutex) pthread_mutex_init (&(mutex), 0)
110#endif
111#define X_LOCK(mutex) pthread_mutex_lock (&(mutex))
112#define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
57 113
114typedef pthread_cond_t xcond_t;
115#define X_COND_INIT PTHREAD_COND_INITIALIZER
116#define X_COND_CREATE(cond) pthread_cond_init (&(cond), 0)
117#define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond))
118#define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex))
119#define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to))
120
121typedef pthread_t xthread_t;
122#define X_THREAD_PROC(name) static void *name (void *thr_arg)
123#define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child)
124
125// the broken bsd's once more
126#ifndef PTHREAD_STACK_MIN
127# define PTHREAD_STACK_MIN 0
128#endif
129
130#ifndef X_STACKSIZE
131# define X_STACKSIZE sizeof (void *) * 4096
132#endif
133
134static int
58static int thread_create (thread_t *tid, void *(*proc)(void *), void *arg) 135thread_create (xthread_t *tid, void *(*proc)(void *), void *arg)
59{ 136{
60 int retval; 137 int retval;
61 sigset_t fullsigset, oldsigset; 138 sigset_t fullsigset, oldsigset;
62 pthread_attr_t attr; 139 pthread_attr_t attr;
63 140
64 pthread_attr_init (&attr); 141 pthread_attr_init (&attr);
65 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); 142 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
143 pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN < X_STACKSIZE ? X_STACKSIZE : PTHREAD_STACK_MIN);
66#ifdef PTHREAD_SCOPE_PROCESS 144#ifdef PTHREAD_SCOPE_PROCESS
67 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); 145 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
68#endif 146#endif
69 147
70 sigfillset (&fullsigset); 148 sigfillset (&fullsigset);
71 149
72 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); 150 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
73 retval = pthread_create (tid, &attr, proc, arg) == 0; 151 retval = pthread_create (tid, &attr, proc, arg) == 0;
74 pthread_sigmask (SIG_SETMASK, &oldsigset, 0); 152 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
75 153
154 pthread_attr_destroy (&attr);
155
76 return retval; 156 return retval;
77} 157}
78 158
79#define ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child) 159#define respipe_read(a,b,c) read ((a), (b), (c))
160#define respipe_write(a,b,c) write ((a), (b), (c))
161#define respipe_close(a) close ((a))
80 162
163#endif
164
165#endif
166

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