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gtypes: Deprecate GTimeVal in favour of guint64 or GDateTime

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GTimeVal is subject to the year 2038 problem, since its `tv_sec` field
is a `glong`, which is 32 bits on 32-bit platforms.

Use `guint64` to represent microsecond-precision time since the Unix
epoch; or use `GDateTime` for full date/time representation.

Signed-off-by: Philip Withnall <withnall@endlessm.com>

Fixes: #1438
This commit is contained in:
Philip Withnall 2019-06-14 12:30:11 +01:00
parent e357619d24
commit e3f88f311f
4 changed files with 8 additions and 2 deletions
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2
glib/gasyncqueue.h
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@ -110,12 +110,14 @@ GLIB_AVAILABLE_IN_2_46
void g_async_queue_push_front_unlocked (GAsyncQueue *queue,
gpointer item);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
GLIB_DEPRECATED_FOR(g_async_queue_timeout_pop)
gpointer g_async_queue_timed_pop (GAsyncQueue *queue,
GTimeVal *end_time);
GLIB_DEPRECATED_FOR(g_async_queue_timeout_pop_unlocked)
gpointer g_async_queue_timed_pop_unlocked (GAsyncQueue *queue,
GTimeVal *end_time);
G_GNUC_END_IGNORE_DEPRECATIONS
G_END_DECLS

2
glib/gdate.c
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@ -123,6 +123,8 @@
* removed from a future version of GLib. A consequence of using `glong` for
* `tv_sec` is that on 32-bit systems `GTimeVal` is subject to the year 2038
* problem.
*
* Deprecated: 2.62: Use #GDateTime or #guint64 instead.
*/
/**

2
glib/gmain.h
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@ -544,9 +544,11 @@ GLIB_AVAILABLE_IN_ALL
void g_source_remove_child_source (GSource *source,
GSource *child_source);
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
GLIB_DEPRECATED_IN_2_28_FOR(g_source_get_time)
void g_source_get_current_time (GSource *source,
GTimeVal *timeval);
G_GNUC_END_IGNORE_DEPRECATIONS
GLIB_AVAILABLE_IN_ALL
gint64 g_source_get_time (GSource *source);

4
glib/gtypes.h
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@ -546,13 +546,13 @@ union _GDoubleIEEE754
#error unknown ENDIAN type
#endif /* !G_LITTLE_ENDIAN && !G_BIG_ENDIAN */
typedef struct _GTimeVal GTimeVal;
typedef struct _GTimeVal GTimeVal GLIB_DEPRECATED_TYPE_IN_2_62_FOR(GDateTime);
struct _GTimeVal
{
glong tv_sec;
glong tv_usec;
};
} GLIB_DEPRECATED_TYPE_IN_2_62_FOR(GDateTime);
typedef gint grefcount;
typedef volatile gint gatomicrefcount;