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Check if we can open /dev/mem in preinit(), so we can exit cleanly. 

git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@8792 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
filon 2003-01-05 11:24:13 +00:00
parent 3d394abb92
commit e3bce499be
1 changed files with 7 additions and 0 deletions
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7
libvo/vo_vesa.c
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@ -28,6 +28,7 @@
#include <pwd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "video_out.h"
@ -1009,6 +1010,7 @@ static void check_events(void)
static uint32_t preinit(const char *arg)
{
int pre_init_err = 0;
int fd;
if(verbose>1) printf("vo_vesa: preinit(%s) was called\n",arg);
if(verbose > 2)
printf("vo_vesa: subdevice %s is being initialized\n",arg);
@ -1018,6 +1020,11 @@ static uint32_t preinit(const char *arg)
#ifdef CONFIG_VIDIX
else if(vidix_name) pre_init_err = vidix_preinit(vidix_name,&video_out_vesa);
#endif
// check if we can open /dev/mem (it will be opened later in config(), but if we
// detect now that we can't we can exit cleanly)
fd = open("/dev/mem", O_RDWR);
if (fd < 0)
return -1;
if(verbose > 2)
printf("vo_subdevice: initialization returns: %i\n",pre_init_err);
return pre_init_err;