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Working around collision with udev by closing and re-opening device file

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This commit is contained in:
Thomas Schmitt 2011-09-20 13:19:47 +00:00
parent 555e687b36
commit 56e109bab2
2 changed files with 16 additions and 1 deletions
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2
libburn/trunk/cdrskin/cdrskin_timestamp.h
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@ -1 +1 @@
#define Cdrskin_timestamP "2011.09.20.131602" #define Cdrskin_timestamP "2011.09.20.131843"

15
libburn/trunk/libburn/sg-linux.c
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@ -1553,6 +1553,21 @@ try_open:;
fd = open(d->devname, open_mode); fd = open(d->devname, open_mode);
os_errno = errno; os_errno = errno;
if (fd >= 0) {
/* ts B10920 : workaround for udev which might get
a kernel event from open() and might
remove links if it cannot inspect the
drive.
*/
libdax_msgs_submit(libdax_messenger, -1, 0x00000002,
LIBDAX_MSGS_SEV_DEBUG, LIBDAX_MSGS_PRIO_HIGH,
"Waiting 2 seconds to avoid collision with udev",
0, 0);
close(fd);
usleep(2000000);
fd = open(d->devname, open_mode);
os_errno = errno;
}
if (fd >= 0) { if (fd >= 0) {
sg_fcntl_lock(&fd, d->devname, F_WRLCK, 1); sg_fcntl_lock(&fd, d->devname, F_WRLCK, 1);
if (fd < 0) if (fd < 0)