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examples: set mode when creating shm object 

$ screencopy
shm_open failed
failed to create buffer

$ posixshmcontrol ls
MODE            OWNER   GROUP   SIZE    PATH
---------       foo     foo     33177600        /wlroots-screencopy
This commit is contained in:
Jan Beich 2019-11-21 03:02:08 +00:00 committed by Brian Ashworth
parent 16e5e9541b
commit d0479cc2bc
1 changed files with 2 additions and 1 deletions
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3
examples/screencopy.c
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@ -32,6 +32,7 @@
#include <string.h>
#include <sys/mman.h>
#include <sys/param.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <unistd.h>
#include <wayland-client-protocol.h>
@ -69,7 +70,7 @@ static struct wl_buffer *create_shm_buffer(enum wl_shm_format fmt,
int size = stride * height;
const char shm_name[] = "/wlroots-screencopy";
int fd = shm_open(shm_name, O_RDWR | O_CREAT | O_EXCL, 0);
int fd = shm_open(shm_name, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR);
if (fd < 0) {
fprintf(stderr, "shm_open failed\n");
return NULL;