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New cdrskin options --drive_not_f_setlk and --drive_not_o_excl

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This commit is contained in:
Thomas Schmitt
2007-04-04 18:43:23 +00:00
parent 4c85686aad
commit 76a9fa4fa2
6 changed files with 48 additions and 20 deletions
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15
libburn/sg-linux.c
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@ -171,11 +171,13 @@ static void enumerate_common(char *fname, int bus_no, int host_no,
/* >>> ts A61115 : this needs mending. A Linux aspect shows up in cdrskin. */
/* ts A60813 : storage objects are in libburn/init.c
wether to use O_EXCL
wether to use O_EXCL with open(2) of devices
wether to use fcntl(,F_SETLK,) after open(2) of devices
what device family to use : 0=default, 1=sr, 2=scd, (3=st), 4=sg
wether to use O_NOBLOCK with open(2) on devices
wether to take O_EXCL rejection as fatal error */
extern int burn_sg_open_o_excl;
extern int burn_sg_fcntl_f_setlk;
extern int burn_sg_use_family;
extern int burn_sg_open_o_nonblock;
extern int burn_sg_open_abort_busy;
@ -304,14 +306,13 @@ static int sg_close_drive_fd(char *fname, int driveno, int *fd, int sorry)
*/
int sg_fcntl_lock(int *fd, char *fd_name)
{
#define Libburn_sg_with_fcntl_locK 1
#ifdef Libburn_sg_with_fcntl_locK
struct flock lockthing;
char msg[81];
int ret;
if (!burn_sg_fcntl_f_setlk)
return 1;
memset(&lockthing, 0, sizeof(lockthing));
lockthing.l_type = F_WRLCK;
lockthing.l_whence = SEEK_SET;
@ -330,9 +331,7 @@ int sg_fcntl_lock(int *fd, char *fd_name)
*fd = -1;
return(0);
}
#endif /* Libburn_sg_with_fcntl_locK */
return(1);
return 1;
}