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libsysprof-capture: add writer buffer size helper

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This could be useful to know what you can actually shove into the capture
file based on size.
This commit is contained in:
Christian Hergert
2019-05-24 18:19:57 -07:00
parent 9c1518b384
commit 19f4a6ae70
3 changed files with 11 additions and 0 deletions
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8
src/libsysprof-capture/sysprof-capture-writer.c
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@ -1296,3 +1296,11 @@ sysprof_capture_writer_new_from_env (gsize buffer_size)
return sysprof_capture_writer_new_from_fd (dup (fd), buffer_size); return sysprof_capture_writer_new_from_fd (dup (fd), buffer_size);
} }
gsize
sysprof_capture_writer_get_buffer_size (SysprofCaptureWriter *self)
{
g_return_val_if_fail (self != NULL, 0);
return self->len;
}

2
src/libsysprof-capture/sysprof-capture-writer.h
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@ -36,6 +36,8 @@ SYSPROF_AVAILABLE_IN_ALL
SysprofCaptureWriter *sysprof_capture_writer_new_from_fd (int fd, SysprofCaptureWriter *sysprof_capture_writer_new_from_fd (int fd,
gsize buffer_size); gsize buffer_size);
SYSPROF_AVAILABLE_IN_ALL SYSPROF_AVAILABLE_IN_ALL
gsize sysprof_capture_writer_get_buffer_size (SysprofCaptureWriter *self);
SYSPROF_AVAILABLE_IN_ALL
SysprofCaptureWriter *sysprof_capture_writer_ref (SysprofCaptureWriter *self); SysprofCaptureWriter *sysprof_capture_writer_ref (SysprofCaptureWriter *self);
SYSPROF_AVAILABLE_IN_ALL SYSPROF_AVAILABLE_IN_ALL
void sysprof_capture_writer_unref (SysprofCaptureWriter *self); void sysprof_capture_writer_unref (SysprofCaptureWriter *self);

1
src/tests/test-capture.c
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@ -36,6 +36,7 @@ test_reader_basic (void)
writer = sysprof_capture_writer_new ("capture-file", 0); writer = sysprof_capture_writer_new ("capture-file", 0);
g_assert (writer != NULL); g_assert (writer != NULL);
g_assert_cmpint (sysprof_capture_writer_get_buffer_size (writer), ==, 4096*64);
sysprof_capture_writer_flush (writer); sysprof_capture_writer_flush (writer);