blob: 4a9a5ad0b1e8d6cd578bca56ead80a0dc70e26a5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
* implement.h
*
* Implementation specific (non API) stuff.
*/
#ifndef _IMPLEMENT_H
#define _IMPLEMENT_H
#define _PTHREAD_HASH_INDEX(x) (((ULONG) x) % PTHREAD_THREADS_MAX)
/* Handler execution flags. */
#define _PTHREAD_HANDLER_NOEXECUTE 0
#define _PTHREAD_HANDLER_EXECUTE 1
/* Handler popping schemes. */
enum { _PTHREAD_HANDLER_POP_LIFO, _PTHREAD_HANDLER_POP_FIFO };
/* Special value to mark attribute objects as valid. */
#define _PTHREAD_ATTR_INVALID 0xC0FFEE
/* Round a sizeof(type) up to a multiple of sizeof(DWORD).
This is all compile time arithmetic.
*/
#define RND_SIZEOF(T) (((sizeof(T) / sizeof(DWORD)) + 1) * sizeof(DWORD))
/* General description of a handler function on a stack. */
typedef struct _pthread_handler_node _pthread_handler_node_t;
struct _pthread_handler_node {
_pthread_handler_node_t next;
void (* routine)(void *);
void * arg;
};
/* Stores a thread call routine and argument. */
typedef struct {
unsigned (*routine)(void *);
void * arg;
jmpbuf env;
} _pthread_call_t;
#define _PTHREAD_THIS (_pthread_find_thread_entry(pthread_this()))
#define _PTHREAD_STACK(stack) \
((_pthread_handler_node_t *) &(_PTHREAD_THIS)->cleanupstack + stack);
/* An element in the thread table. */
typedef struct _pthread_threads_thread _pthread_threads_thread_t;
struct _pthread_threads_thread {
pthread_t thread;
pthread_attr_t attr;
_pthread_call_t call;
void ** joinvalueptr;
_pthread_handler_node_t * cleanupstack;
_pthread_handler_node_t * destructorstack;
_pthread_handler_node_t * forkpreparestack;
_pthread_handler_node_t * forkparentstack;
_pthread_handler_node_t * forkchildstack;
};
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Generic handler push and pop routines. */
int _pthread_handler_push(int stack,
int poporder,
void (*routine)(void *),
void *arg);
void _pthread_handler_pop(int stack,
int execute);
void _pthread_handler_pop_all(int stack,
int execute);
/* Primitives to manage threads table entries. */
int _pthread_new_thread_entry(pthread_t thread,
_pthread_threads_thread_t ** entry);
_pthread_threads_thread ** _pthread_find_thread_entry(pthread_t thread);
void _pthread_delete_thread_entry(_pthread_threads_thread_t ** this);
/* Thread cleanup. */
void _pthread_vacuum(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
/* Global data declared in global.c */
extern pthread_mutex_t _pthread_count_mutex;
extern DWORD _pthread_threads_count;
extern _pthread_threads_thread_t _pthread_threads_table[];
extern unsigned short _pthread_once_flag;
extern pthread_mutex_t _pthread_once_lock;
#endif /* _IMPLEMENT_H */
|
