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systemclock: Use Windows interlocked APIs

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MSVC most likely does not support C11 atomic operations
with given compile options

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4794>
This commit is contained in:
Seungha Yang 2023-06-07 23:10:47 +09:00 committed by GStreamer Marge Bot
parent 8a4642cad7
commit 9f70328b70
1 changed files with 21 additions and 0 deletions
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21
subprojects/gstreamer/gst/gstsystemclock.c
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@ -91,6 +91,27 @@ gst_atomic_int_set_release (gst_atomic_int * x, gint val)
{
atomic_store_explicit (x, val, memory_order_release);
}
#elif defined G_OS_WIN32
/* MSVC's C11 atomic might require special cflags
* https://devblogs.microsoft.com/cppblog/c11-atomics-in-visual-studio-2022-version-17-5-preview-2/
*
* Can remove this code once below GLib MR is merged
* https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3436
*/
typedef LONG gst_atomic_int;
static inline int
gst_atomic_int_get_acquire (gst_atomic_int * x)
{
return InterlockedAndAcquire (x, 1);
}
static inline void
gst_atomic_int_set_release (gst_atomic_int * x, gint val)
{
InterlockedOrRelease (x, 1);
}
#else /* defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L && !defined(__STDC_NO_ATOMICS) */
typedef int gst_atomic_int;
#define gst_atomic_int_get_acquire(x) g_atomic_int_get(x)