X11rdp: check for errors from shmem calls
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@ -35,7 +35,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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do { if (_level < LOG_LEVEL) { ErrorF _args ; ErrorF("\n"); } } while (0)
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static int g_use_shmem = 1; /* turns on or off */
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static int g_shmemid = 0;
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static int g_shmemid = -1;
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static char *g_shmemptr = 0;
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static int g_shmem_lineBytes = 0;
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static RegionPtr g_shm_reg = 0;
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@ -750,22 +750,36 @@ process_screen_size_msg(int width, int height, int bpp)
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if (g_shmemptr != 0)
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{
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shmdt(g_shmemptr);
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g_shmemptr = 0;
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}
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bytes = g_rdpScreen.rdp_width * g_rdpScreen.rdp_height *
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g_rdpScreen.rdp_Bpp;
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g_shmemid = shmget(IPC_PRIVATE, bytes, IPC_CREAT | 0777);
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if (g_shmemid != -1)
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{
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g_shmemptr = shmat(g_shmemid, 0, 0);
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if (g_shmemptr == (void *) -1)
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{
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LLOGLN(0, ("process_screen_size_msg: shmat failed for %d "
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"bytes g_shmemid %d", bytes, g_shmemid));
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g_shmemptr = 0;
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shmctl(g_shmemid, IPC_RMID, NULL);
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g_shmemid = -1;
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}
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else
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{
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shmctl(g_shmemid, IPC_RMID, NULL);
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}
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LLOGLN(0, ("process_screen_size_msg: g_shmemid %d g_shmemptr %p",
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g_shmemid, g_shmemptr));
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g_shmem_lineBytes = g_rdpScreen.rdp_Bpp * g_rdpScreen.rdp_width;
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if (g_shm_reg != 0)
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{
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RegionDestroy(g_shm_reg);
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}
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g_shm_reg = RegionCreate(NullBox, 0);
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}
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}
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mmwidth = PixelToMM(width);
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mmheight = PixelToMM(height);
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