tests/spec/glx_ext_import_context/make-current-multi-process.c

   1 /* Copyright © 2011 Intel Corporation
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a
   4  * copy of this software and associated documentation files (the "Software"),
   5  * to deal in the Software without restriction, including without limitation
   6  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7  * and/or sell copies of the Software, and to permit persons to whom the
   8  * Software is furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice (including the next
  11  * paragraph) shall be included in all copies or substantial portions of the
  12  * Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  20  * IN THE SOFTWARE.
  21  */
  22
  23 #include <unistd.h>
  24 #include <sys/types.h>
  25 #include <sys/wait.h>
  26
  27 #include "piglit-util-gl.h"
  28 #include "piglit-glx-util.h"
  29 #include "common.h"
  30
  31 int main(int argc, char **argv)
  32 {
  33         bool pass = true;
  34         pid_t child;
  35         int status;
  36         Window win;
  37
  38         GLX_EXT_import_context_setup();
  39         get_context_IDs();
  40
  41         win = piglit_get_glx_window(dpy, visinfo);
  42         glXMakeCurrent(dpy, win, indirectCtx);
  43
  44         child = fork();
  45         if (child == 0) {
  46                 GLXContext ctx;
  47                 Window child_win;
  48
  49                 GLX_EXT_import_context_setup_for_child();
  50
  51                 child_win = piglit_get_glx_window(dpy, visinfo);
  52
  53                 /* The GLX_EXT_import_context spec says:
  54                  *
  55                  *     "If <context> is current to some other thread or
  56                  *      process, then glXMakeCurrent will generate a BadAccess
  57                  *      error."
  58                  */
  59                 ctx = glXImportContextEXT(dpy, indirectID);
  60                 glXMakeCurrent(dpy, child_win, ctx);
  61
  62                 XSync(dpy, 0);
  63                 pass = validate_glx_error_code(BadAccess, -1);
  64
  65                 _exit(pass ? 0 : 1);
  66         }
  67
  68         /* The test passes if the child exited normally with a return value of
  69          * zero.
  70          */
  71         waitpid(child, &status, 0);
  72         pass = WIFEXITED(status) && (WEXITSTATUS(status) == 0);
  73
  74         GLX_EXT_import_context_teardown();
  75
  76         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
  77         return 0;
  78 }