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libsysprof-capture: allow using ring in readwrite mode

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This is a first step to be able to use the ring buffer as the backing
buffer for the SysprofCaptureWriter.
This commit is contained in:
Christian Hergert
2020-02-15 22:50:22 -07:00
parent 36860b449e
commit 69e4fb2588
3 changed files with 40 additions and 5 deletions
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21
src/tests/test-mapped-ring-buffer.c
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@ -164,12 +164,33 @@ test_threaded_movements (void)
g_thread_join (thread2);
}
static void
test_readwrite (void)
{
MappedRingBuffer *ring;
gint64 *ptr;
ring = mapped_ring_buffer_new_readwrite (4096*16);
g_assert_nonnull (ring);
real_count = 0;
while ((ptr = mapped_ring_buffer_allocate (ring, sizeof *ptr)))
{
static gint64 count;
g_assert ((GPOINTER_TO_SIZE(ptr) & 0x7) == 0);
*ptr = ++count;
mapped_ring_buffer_advance (ring, sizeof *ptr);
}
mapped_ring_buffer_drain (ring, drain_count_cb, NULL);
}
gint
main (gint argc,
gchar *argv[])
{
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/MappedRingBuffer/basic_movements", test_basic_movements);
g_test_add_func ("/MappedRingBuffer/readwrite", test_readwrite);
g_test_add_func ("/MappedRingBuffer/threaded_movements", test_threaded_movements);
return g_test_run ();
}