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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 1.2 by root, Sun Jul 8 09:16:19 2007 UTC

1/* solaris */
2#define _POSIX_PTHREAD_SEMANTICS 1
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. 1/* wether word reads are potentially non-atomic.
28 * this is conservatice, likely most arches this runs 2 * this is conservatice, likely most arches this runs
29 * on have atomic word read/writes. 3 * on have atomic word read/writes.
30 */ 4 */
31#ifndef WORDACCESS_UNSAFE 5#ifndef WORDACCESS_UNSAFE
… …
34# else 8# else
35# define WORDACCESS_UNSAFE 1 9# define WORDACCESS_UNSAFE 1
36# endif 10# endif
37#endif 11#endif
38 12
13/////////////////////////////////////////////////////////////////////////////
14
15#ifdef _WIN32
16typedef int ssize_t;
17
18#define NTDDI_VERSION NTDDI_WIN2K // needed to get win2000 api calls
19#define _WIN32_WINNT 0x400
20#include <stdio.h>//D
21#include <fcntl.h>
22#include <io.h>
23#include <winsock2.h>
24#include <process.h>
25#include <windows.h>
26#define sigset_t int
27#define sigfillset(a)
28#define pthread_sigmask(a,b,c)
29#define sigaddset(a,b)
30#define sigemptyset(s)
31#define sigfillset(s)
32
33#define pthread_kill(a,b)
34#define pthread_self() 0
35
36typedef HANDLE mutex_t;
37#define X_MUTEX_INIT 0
38#define X_MUTEX_CHECK(mutex) if (!(mutex)) (mutex) = CreateMutex (NULL, FALSE, NULL)
39#define X_LOCK(mutex) WaitForSingleObject ((mutex), INFINITE)
40#define X_UNLOCK(mutex) ReleaseMutex (mutex)
41
42typedef HANDLE cond_t;
43#define X_COND_INIT 0
44#define X_COND_CHECK(cond) if (!(cond)) (cond) = CreateEvent (NULL, FALSE, FALSE, NULL)
45#define X_COND_SIGNAL(cond) SetEvent (cond)
46#define X_COND_WAIT(cond,mutex) do { SignalObjectAndWait ((mutex), (cond),INFINITE, FALSE); WaitForSingleObject ((mutex), INFINITE); } while (0)
47
48#define ETIMEDOUT 1
49
50struct timespec {
51 unsigned long tv_sec, tv_nsec;
52};
53
54static int
55X_COND_TIMEDWAIT (mutex_t mutex, cond_t cond, struct timespec to)
56{
57 unsigned long ms = to.tv_nsec / 1000 + to.tv_sec * 1000;
58
59 if (SignalObjectAndWait (mutex, cond, ms, FALSE) == WAIT_TIMEOUT)
60 return ETIMEDOUT;
61
62 if (WaitForSingleObject (mutex, ms) == WAIT_TIMEOUT)
63 return ETIMEDOUT;
64
65 return 0;
66}
67
68typedef DWORD thread_t;
69#define X_THREAD_PROC(name) DWORD WINAPI name (LPVOID thr_arg)
70#define X_THREAD_ATFORK(a,b,c)
71
72static int
73thread_create (thread_t *tid, LPTHREAD_START_ROUTINE proc, void *arg)
74{
75 *tid = 0;
76 CreateThread (0, 4096, proc, arg, 0, tid);
77 return !!*tid;
78}
79
80int Perl_my_socketpair (int family, int type, int protocol, int fd[2]);
81
82static int
83create_pipe (int fd[2])
84{
85 int arg = 1;
86 Perl_my_socketpair (AF_UNIX, SOCK_STREAM, 0, fd);
87 ioctlsocket (fd [0], FIONBIO, &arg);
88 ioctlsocket (fd [1], FIONBIO, &arg);
89
90 return 1;
91}
92
93#else
94/////////////////////////////////////////////////////////////////////////////
95
96/* solaris */
97#define _POSIX_PTHREAD_SEMANTICS 1
98
99#if __linux && !defined(_GNU_SOURCE)
100# define _GNU_SOURCE
101#endif
102
103/* just in case */
104#define _REENTRANT 1
105
106#include <unistd.h>
107#include <fcntl.h>
108#include <signal.h>
109#include <pthread.h>
110
111#ifndef PTHREAD_STACK_MIN
112/* care for broken platforms, e.g. windows */
113# define PTHREAD_STACK_MIN 16384
114#endif
115
39typedef pthread_mutex_t mutex_t; 116typedef pthread_mutex_t mutex_t;
40#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) 117#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
41# define MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP 118# define X_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
42#else 119#else
43# define MUTEX_INIT PTHREAD_MUTEX_INITIALIZER 120# define X_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
44#endif 121#endif
122#define X_LOCK(mutex) pthread_mutex_lock (&(mutex))
123#define X_UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
45 124
46typedef pthread_cond_t cond_t; 125typedef pthread_cond_t cond_t;
47#define COND_INIT PTHREAD_COND_INITIALIZER 126#define X_COND_INIT PTHREAD_COND_INITIALIZER
48
49#define LOCK(mutex) pthread_mutex_lock (&(mutex))
50#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
51
52#define COND_SIGNAL(cond) pthread_cond_signal (&(cond)) 127#define X_COND_SIGNAL(cond) pthread_cond_signal (&(cond))
53#define COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex)) 128#define X_COND_WAIT(cond,mutex) pthread_cond_wait (&(cond), &(mutex))
54#define COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to)) 129#define X_COND_TIMEDWAIT(cond,mutex,to) pthread_cond_timedwait (&(cond), &(mutex), &(to))
55 130
56typedef pthread_t thread_t; 131typedef pthread_t thread_t;
132#define X_THREAD_PROC(name) static void *name (void *thr_arg)
133#define X_THREAD_ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child)
57 134
135static int
58static int thread_create (thread_t *tid, void *(*proc)(void *), void *arg) 136thread_create (thread_t *tid, void *(*proc)(void *), void *arg)
59{ 137{
60 int retval; 138 int retval;
61 sigset_t fullsigset, oldsigset; 139 sigset_t fullsigset, oldsigset;
62 pthread_attr_t attr; 140 pthread_attr_t attr;
63 141
… …
74 pthread_sigmask (SIG_SETMASK, &oldsigset, 0); 152 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
75 153
76 return retval; 154 return retval;
77} 155}
78 156
79#define ATFORK(prepare,parent,child) pthread_atfork (prepare, parent, child) 157static int
158create_pipe (int fd[2])
159{
160 if (pipe (fd)
161 || fcntl (fd [0], F_SETFL, O_NONBLOCK)
162 || fcntl (fd [1], F_SETFL, O_NONBLOCK))
163 return 0;
80 164
165 return 1;
166}
167
168#endif
169
170#if __ia64
171# define STACKSIZE 65536
172#elif __i386 || __x86_64 /* 16k is unreasonably high :( */
173# define STACKSIZE PTHREAD_STACK_MIN
174#else
175# define STACKSIZE 16384
176#endif
177
178

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