Attachment 13779 Details for Bug 13520 – mitshm-testcase.c

mitshm-testcase.c

mitshm-testcase.c (text/x-csrc), 2.24 KB, created by Adam Jackson on 2008-01-18 12:23:20 UTC

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Filename:

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Creator: Adam Jackson

Created: 2008-01-18 12:23:20 UTC

Size: 2.24 KB

patch

obsolete

>/* Compile with cc -o testcase testcase.c -lXext -lX11 */
>
>#include <stdio.h>
>#include <stdlib.h>
>#include <string.h>
>
>#include <sys/types.h>
>#include <sys/ipc.h>
>#include <sys/shm.h>
>
>#include <X11/X.h>
>#include <X11/Xlib.h>
>#include <X11/extensions/XShm.h>
>
>static volatile int errorCaught = 0;
>
>extern int _XDefaultError(Display *dpy, XErrorEvent *event);
>
>static int myXErrorCallback(Display *dpy, XErrorEvent *event)
>{
>    errorCaught++;
>    if (event->error_code == BadAlloc) {
>        printf("TEST %s: %slegal call returned BadAlloc\n",
>		errorCaught == 1 ? "PASSED" : "FAILED",
>		errorCaught == 1 ? "il"     : "");
>	return 0;
>    } else if (event->error_code == BadImplementation) {
>        printf("Test returned BadImplementation - not supported on this graphics card\n");
>	return 0;
>    } else {
>        return _XDefaultError(dpy, event);
>    }
>}
>
>int main(int argc, char **argv)
>{
>    int testno;
>    int result = 0;
>    Display *dpy;
>    int major, minor;
>    char *answer;
>    XShmSegmentInfo  shm_info;
>    int image_size = 8192;
>    int width = 32768, height = 32768, depth = 32;
>    
>    dpy = XOpenDisplay(NULL);
>    if (dpy == NULL) {
>        fprintf(stderr, "Can't open display %s\n", XDisplayName(NULL));
>        exit(1);
>    }
>
>    if (XShmQueryExtension(dpy) == False) {
>        printf("MIT-SHM Extension NOT present on display - cannot test\n");
>        return 1;
>    }
>
>top:
>    memset(&shm_info, 0, sizeof(XShmSegmentInfo));
>
>    shm_info.shmid = shmget(IPC_PRIVATE, image_size, IPC_CREAT|0777);
>    if (shm_info.shmid < 0)
>    {
>	perror("Test setup failed: shmget");
>	exit(1);
>    }
>    shm_info.shmaddr = shmat(shm_info.shmid, 0, 0);
>    shm_info.readOnly = False;
>
>    if (!XShmAttach(dpy, &shm_info)) {
>	fprintf(stderr, "Test setup failed: XShmAttach\n");
>	exit(1);
>    }
>
>    XSync(dpy, False);
>    XSetErrorHandler(myXErrorCallback);
>
>    XShmCreatePixmap(dpy, DefaultRootWindow(dpy), shm_info.shmaddr, &shm_info,
>		     width, height, depth);
>
>    XSync(dpy, False);
>
>    XShmDetach(dpy, &shm_info);
>    shmdt(shm_info.shmaddr);
>    shmctl (shm_info.shmid, IPC_RMID, 0);
>
>    if (depth == 32) {
>	width = 64;
>	height = 64;
>	depth = 1;
>	goto top;
>    }
>    
>    XCloseDisplay(dpy);
>
>    if (errorCaught == 0)
>	printf("TEST FAILED: No error messages recieved!\n");
>}

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Attachments on bug 13520: 12941 | 13034 | 13099 | 13178 | 13779

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