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16#ifndef QEMU_GLIB_COMPAT_H
17#define QEMU_GLIB_COMPAT_H
18
19#include <glib.h>
20
21
22#if !GLIB_CHECK_VERSION(2, 26, 0)
23#define G_TIME_SPAN_SECOND (G_GINT64_CONSTANT(1000000))
24#endif
25
26#if !GLIB_CHECK_VERSION(2, 28, 0)
27static inline gint64 qemu_g_get_monotonic_time(void)
28{
29
30
31
32
33 GTimeVal time;
34 g_get_current_time(&time);
35
36 return time.tv_sec * G_TIME_SPAN_SECOND + time.tv_usec;
37}
38
39#define g_get_monotonic_time() qemu_g_get_monotonic_time()
40#endif
41
42#if defined(_WIN32) && !GLIB_CHECK_VERSION(2, 50, 0)
43
44
45
46
47#define g_poll(fds, nfds, timeout) g_poll_fixed(fds, nfds, timeout)
48gint g_poll_fixed(GPollFD *fds, guint nfds, gint timeout);
49#endif
50
51#if !GLIB_CHECK_VERSION(2, 30, 0)
52
53
54
55static inline gchar *qemu_g_dir_make_tmp(gchar const *tmpl, GError **error)
56{
57 gchar *path = g_build_filename(g_get_tmp_dir(), tmpl ?: ".XXXXXX", NULL);
58
59 if (mkdtemp(path) != NULL) {
60 return path;
61 }
62
63 g_set_error(error, G_FILE_ERROR, g_file_error_from_errno(errno),
64 "mkdtemp() failed");
65 g_free(path);
66 return NULL;
67}
68#define g_dir_make_tmp(tmpl, error) qemu_g_dir_make_tmp(tmpl, error)
69#endif
70
71#if !GLIB_CHECK_VERSION(2, 31, 0)
72
73
74
75
76
77
78
79
80
81
82
83typedef struct CompatGMutex {
84 GOnce once;
85} CompatGMutex;
86
87typedef struct CompatGCond {
88 GOnce once;
89} CompatGCond;
90
91static inline gpointer do_g_mutex_new(gpointer unused)
92{
93 return (gpointer) g_mutex_new();
94}
95
96static inline void g_mutex_init(CompatGMutex *mutex)
97{
98 mutex->once = (GOnce) G_ONCE_INIT;
99}
100
101static inline void g_mutex_clear(CompatGMutex *mutex)
102{
103 g_assert(mutex->once.status != G_ONCE_STATUS_PROGRESS);
104 if (mutex->once.retval) {
105 g_mutex_free((GMutex *) mutex->once.retval);
106 }
107 mutex->once = (GOnce) G_ONCE_INIT;
108}
109
110static inline void (g_mutex_lock)(CompatGMutex *mutex)
111{
112 g_once(&mutex->once, do_g_mutex_new, NULL);
113 g_mutex_lock((GMutex *) mutex->once.retval);
114}
115#undef g_mutex_lock
116
117static inline gboolean (g_mutex_trylock)(CompatGMutex *mutex)
118{
119 g_once(&mutex->once, do_g_mutex_new, NULL);
120 return g_mutex_trylock((GMutex *) mutex->once.retval);
121}
122#undef g_mutex_trylock
123
124
125static inline void (g_mutex_unlock)(CompatGMutex *mutex)
126{
127 g_mutex_unlock((GMutex *) mutex->once.retval);
128}
129#undef g_mutex_unlock
130
131static inline gpointer do_g_cond_new(gpointer unused)
132{
133 return (gpointer) g_cond_new();
134}
135
136static inline void g_cond_init(CompatGCond *cond)
137{
138 cond->once = (GOnce) G_ONCE_INIT;
139}
140
141static inline void g_cond_clear(CompatGCond *cond)
142{
143 g_assert(cond->once.status != G_ONCE_STATUS_PROGRESS);
144 if (cond->once.retval) {
145 g_cond_free((GCond *) cond->once.retval);
146 }
147 cond->once = (GOnce) G_ONCE_INIT;
148}
149
150static inline void (g_cond_wait)(CompatGCond *cond, CompatGMutex *mutex)
151{
152 g_assert(mutex->once.status != G_ONCE_STATUS_PROGRESS);
153 g_once(&cond->once, do_g_cond_new, NULL);
154 g_cond_wait((GCond *) cond->once.retval, (GMutex *) mutex->once.retval);
155}
156#undef g_cond_wait
157
158static inline void (g_cond_broadcast)(CompatGCond *cond)
159{
160 g_once(&cond->once, do_g_cond_new, NULL);
161 g_cond_broadcast((GCond *) cond->once.retval);
162}
163#undef g_cond_broadcast
164
165static inline void (g_cond_signal)(CompatGCond *cond)
166{
167 g_once(&cond->once, do_g_cond_new, NULL);
168 g_cond_signal((GCond *) cond->once.retval);
169}
170#undef g_cond_signal
171
172static inline gboolean (g_cond_timed_wait)(CompatGCond *cond,
173 CompatGMutex *mutex,
174 GTimeVal *time)
175{
176 g_assert(mutex->once.status != G_ONCE_STATUS_PROGRESS);
177 g_once(&cond->once, do_g_cond_new, NULL);
178 return g_cond_timed_wait((GCond *) cond->once.retval,
179 (GMutex *) mutex->once.retval, time);
180}
181#undef g_cond_timed_wait
182
183
184static inline gboolean g_cond_wait_until(CompatGCond *cond, CompatGMutex *mutex,
185 gint64 end_time)
186{
187 GTimeVal time;
188
189
190 end_time -= g_get_monotonic_time();
191 g_get_current_time(&time);
192 end_time += time.tv_sec * G_TIME_SPAN_SECOND + time.tv_usec;
193
194 time.tv_sec = end_time / G_TIME_SPAN_SECOND;
195 time.tv_usec = end_time % G_TIME_SPAN_SECOND;
196 return g_cond_timed_wait(cond, mutex, &time);
197}
198
199
200static inline GThread *g_thread_new(const char *name,
201 GThreadFunc func, gpointer data)
202{
203 GThread *thread = g_thread_create(func, data, TRUE, NULL);
204 if (!thread) {
205 g_error("creating thread");
206 }
207 return thread;
208}
209#else
210#define CompatGMutex GMutex
211#define CompatGCond GCond
212#endif
213
214#if !GLIB_CHECK_VERSION(2, 32, 0)
215
216static inline void g_hash_table_add(GHashTable *hash_table, gpointer key)
217{
218 g_hash_table_replace(hash_table, key, key);
219}
220
221static inline gboolean g_hash_table_contains(GHashTable *hash_table,
222 gpointer key)
223{
224 return g_hash_table_lookup_extended(hash_table, key, NULL, NULL);
225}
226#endif
227
228#ifndef g_assert_true
229#define g_assert_true(expr) \
230 do { \
231 if (G_LIKELY(expr)) { \
232 } else { \
233 g_assertion_message(G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
234 "'" #expr "' should be TRUE"); \
235 } \
236 } while (0)
237#endif
238
239#ifndef g_assert_false
240#define g_assert_false(expr) \
241 do { \
242 if (G_LIKELY(!(expr))) { \
243 } else { \
244 g_assertion_message(G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
245 "'" #expr "' should be FALSE"); \
246 } \
247 } while (0)
248#endif
249
250#ifndef g_assert_null
251#define g_assert_null(expr) \
252 do { \
253 if (G_LIKELY((expr) == NULL)) { \
254 } else { \
255 g_assertion_message(G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
256 "'" #expr "' should be NULL"); \
257 } \
258 } while (0)
259#endif
260
261#ifndef g_assert_nonnull
262#define g_assert_nonnull(expr) \
263 do { \
264 if (G_LIKELY((expr) != NULL)) { \
265 } else { \
266 g_assertion_message(G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
267 "'" #expr "' should not be NULL"); \
268 } \
269 } while (0)
270#endif
271
272#ifndef g_assert_cmpmem
273#define g_assert_cmpmem(m1, l1, m2, l2) \
274 do { \
275 gconstpointer __m1 = m1, __m2 = m2; \
276 int __l1 = l1, __l2 = l2; \
277 if (__l1 != __l2) { \
278 g_assertion_message_cmpnum( \
279 G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
280 #l1 " (len(" #m1 ")) == " #l2 " (len(" #m2 "))", __l1, "==", \
281 __l2, 'i'); \
282 } else if (memcmp(__m1, __m2, __l1) != 0) { \
283 g_assertion_message(G_LOG_DOMAIN, __FILE__, __LINE__, G_STRFUNC, \
284 "assertion failed (" #m1 " == " #m2 ")"); \
285 } \
286 } while (0)
287#endif
288
289#if !GLIB_CHECK_VERSION(2, 28, 0)
290static inline void g_list_free_full(GList *list, GDestroyNotify free_func)
291{
292 GList *l;
293
294 for (l = list; l; l = l->next) {
295 free_func(l->data);
296 }
297
298 g_list_free(list);
299}
300
301static inline void g_slist_free_full(GSList *list, GDestroyNotify free_func)
302{
303 GSList *l;
304
305 for (l = list; l; l = l->next) {
306 free_func(l->data);
307 }
308
309 g_slist_free(list);
310}
311#endif
312
313#if !GLIB_CHECK_VERSION(2, 26, 0)
314static inline void g_source_set_name(GSource *source, const char *name)
315{
316
317}
318static inline void g_source_set_name_by_id(guint tag, const char *name)
319{
320
321}
322#endif
323
324#if !GLIB_CHECK_VERSION(2, 36, 0)
325
326
327
328#define g_test_initialized() (0)
329#endif
330#if !GLIB_CHECK_VERSION(2, 38, 0)
331#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
332#error schizophrenic detection of glib subprocess testing
333#endif
334#define g_test_subprocess() (0)
335#endif
336
337
338#if !GLIB_CHECK_VERSION(2, 34, 0)
339static inline void
340g_test_add_data_func_full(const char *path,
341 gpointer data,
342 gpointer fn,
343 gpointer data_free_func)
344{
345#if GLIB_CHECK_VERSION(2, 26, 0)
346
347 g_test_add_vtable(path, 0, data, NULL,
348 (GTestFixtureFunc)fn, (GTestFixtureFunc) data_free_func);
349#else
350
351 g_test_add_vtable(path, 0, data, NULL,
352 (void (*)(void)) fn, (void (*)(void)) data_free_func);
353#endif
354}
355#endif
356
357
358#endif
359