/
TSRM.h
172 lines (140 loc) · 4.96 KB
/
TSRM.h
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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/*
+----------------------------------------------------------------------+
| Thread Safe Resource Manager |
+----------------------------------------------------------------------+
| Copyright (c) 1999-2006, Andi Gutmans, Sascha Schumann, Zeev Suraski |
| This source file is subject to the TSRM license, that is bundled |
| with this package in the file LICENSE |
+----------------------------------------------------------------------+
| Authors: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
#ifndef TSRM_H
#define TSRM_H
/* #ifndef WIN32 */
#ifndef WIN32
# include <tsrm_config.h>
#endif
#ifdef WIN32
# define TSRM_WIN32
# include "tsrm_config.w32.h"
#endif
#ifdef TSRM_WIN32
# ifdef TSRM_EXPORTS
# define TSRM_API __declspec(dllexport)
# else
# define TSRM_API __declspec(dllimport)
# endif
#else
# define TSRM_API
#endif
/* Only compile multi-threading functions if we're in ZTS mode */
#ifdef ZTS
#ifdef TSRM_WIN32
# ifndef TSRM_INCLUDE_FULL_WINDOWS_HEADERS
# define WIN32_LEAN_AND_MEAN
# endif
# include <windows.h>
# include <shellapi.h>
#elif defined(GNUPTH)
# include <pth.h>
#elif defined(PTHREADS)
# include <pthread.h>
#elif defined(TSRM_ST)
# include <st.h>
#elif defined(BETHREADS)
#include <kernel/OS.h>
#include <TLS.h>
#endif
typedef int ts_rsrc_id;
/* Define THREAD_T and MUTEX_T */
#ifdef TSRM_WIN32
# define THREAD_T DWORD
# define MUTEX_T CRITICAL_SECTION *
#elif defined(GNUPTH)
# define THREAD_T pth_t
# define MUTEX_T pth_mutex_t *
#elif defined(PTHREADS)
# define THREAD_T pthread_t
# define MUTEX_T pthread_mutex_t *
#elif defined(NSAPI)
# define THREAD_T SYS_THREAD
# define MUTEX_T CRITICAL
#elif defined(PI3WEB)
# define THREAD_T PIThread *
# define MUTEX_T PISync *
#elif defined(TSRM_ST)
# define THREAD_T st_thread_t
# define MUTEX_T st_mutex_t
#elif defined(BETHREADS)
# define THREAD_T thread_id
typedef struct {
sem_id sem;
int32 ben;
} beos_ben;
# define MUTEX_T beos_ben *
#endif
typedef void (*ts_allocate_ctor)(void *, void ***);
typedef void (*ts_allocate_dtor)(void *, void ***);
#define THREAD_HASH_OF(thr,ts) (unsigned long)thr%(unsigned long)ts
#ifdef __cplusplus
extern "C" {
#endif
/* startup/shutdown */
TSRM_API int tsrm_startup(int expected_threads, int expected_resources, int debug_level, char *debug_filename);
TSRM_API void tsrm_shutdown(void);
/* allocates a new thread-safe-resource id */
TSRM_API ts_rsrc_id ts_allocate_id(ts_rsrc_id *rsrc_id, size_t size, ts_allocate_ctor ctor, ts_allocate_dtor dtor);
/* fetches the requested resource for the current thread */
TSRM_API void *ts_resource_ex(ts_rsrc_id id, THREAD_T *th_id);
#define ts_resource(id) ts_resource_ex(id, NULL)
/* frees all resources allocated for the current thread */
TSRM_API void ts_free_thread(void);
/* frees all resources allocated for all threads except current */
void ts_free_worker_threads(void);
/* deallocates all occurrences of a given id */
TSRM_API void ts_free_id(ts_rsrc_id id);
/* Debug support */
#define TSRM_ERROR_LEVEL_ERROR 1
#define TSRM_ERROR_LEVEL_CORE 2
#define TSRM_ERROR_LEVEL_INFO 3
typedef void (*tsrm_thread_begin_func_t)(THREAD_T thread_id, void ***tsrm_ls);
typedef void (*tsrm_thread_end_func_t)(THREAD_T thread_id, void ***tsrm_ls);
TSRM_API int tsrm_error(int level, const char *format, ...);
TSRM_API void tsrm_error_set(int level, char *debug_filename);
/* utility functions */
TSRM_API THREAD_T tsrm_thread_id(void);
TSRM_API MUTEX_T tsrm_mutex_alloc(void);
TSRM_API void tsrm_mutex_free(MUTEX_T mutexp);
TSRM_API int tsrm_mutex_lock(MUTEX_T mutexp);
TSRM_API int tsrm_mutex_unlock(MUTEX_T mutexp);
TSRM_API void *tsrm_set_new_thread_begin_handler(tsrm_thread_begin_func_t new_thread_begin_handler);
TSRM_API void *tsrm_set_new_thread_end_handler(tsrm_thread_end_func_t new_thread_end_handler);
/* these 3 APIs should only be used by people that fully understand the threading model
* used by PHP/Zend and the selected SAPI. */
TSRM_API void *tsrm_new_interpreter_context(void);
TSRM_API void *tsrm_set_interpreter_context(void *new_ctx);
TSRM_API void tsrm_free_interpreter_context(void *context);
#define TSRM_SHUFFLE_RSRC_ID(rsrc_id) ((rsrc_id)+1)
#define TSRM_UNSHUFFLE_RSRC_ID(rsrc_id) ((rsrc_id)-1)
#define TSRMLS_FETCH() void ***tsrm_ls = (void ***) ts_resource_ex(0, NULL)
#define TSRMLS_FETCH_FROM_CTX(ctx) void ***tsrm_ls = (void ***) ctx
#define TSRMLS_SET_CTX(ctx) ctx = (void ***) tsrm_ls
#define TSRMG(id, type, element) (((type) (*((void ***) tsrm_ls))[TSRM_UNSHUFFLE_RSRC_ID(id)])->element)
#define TSRMLS_D void ***tsrm_ls
#define TSRMLS_DC , TSRMLS_D
#define TSRMLS_C tsrm_ls
#define TSRMLS_CC , TSRMLS_C
#ifdef __cplusplus
}
#endif
#else /* non ZTS */
#define TSRMLS_FETCH()
#define TSRMLS_FETCH_FROM_CTX(ctx)
#define TSRMLS_SET_CTX(ctx)
#define TSRMLS_D void
#define TSRMLS_DC
#define TSRMLS_C
#define TSRMLS_CC
#endif /* ZTS */
#endif /* TSRM_H */