| 1 | #include <stdio.h>
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| 2 | #include <xf86drm.h>
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| 3 | #include <xf86drmMode.h>
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| 4 |
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| 5 | int main(void)
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| 6 | {
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| 7 | int fd, ret;
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| 8 | drmVBlank vbl;
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| 9 |
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| 10 | fd = drmOpen("vboxvideo", NULL);
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| 11 | if (fd < 0) {
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| 12 | fputs("\tfailed.\n", stderr);
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| 13 | return 1;
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| 14 | }
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| 15 |
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| 16 | vbl.request.type = DRM_VBLANK_RELATIVE;
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| 17 | vbl.request.sequence = 0;
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| 18 | fprintf(stderr, "drmWaitVBlank(%d, {.request = {.type=%#x, .sequence=%d}})\n", fd, vbl.request.type, vbl.request.sequence);
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| 19 | ret = drmWaitVBlank(fd, &vbl); /* killed here, dmesg reports oops */
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| 20 | if (ret != 0) {
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| 21 | fprintf(stderr, "drmWaitVBlank (relative) failed ret: %i\n", ret);
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| 22 | return 1;
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| 23 | }
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| 24 |
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| 25 | return 0;
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| 26 | }
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