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Showing more patience with temporarily busy drives on Linux

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This commit is contained in:
Thomas Schmitt 2010-03-04 12:13:04 +00:00
parent aed598889d
commit fd3f879900
2 changed files with 10 additions and 2 deletions
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2
libburn/trunk/cdrskin/cdrskin_timestamp.h
View File

@ -1 +1 @@
#define Cdrskin_timestamP "2010.03.03.141407"
#define Cdrskin_timestamP "2010.03.04.121441"

10
libburn/trunk/libburn/sg-linux.c
View File

@ -1651,6 +1651,7 @@ int sg_drive_is_open(struct burn_drive * d)
int sg_grab(struct burn_drive *d)
{
int fd, os_errno= 0, ret;
int max_tries = 3, tries = 0;
/* ts A60813 */
int open_mode = O_RDWR;
@ -1684,6 +1685,7 @@ int sg_grab(struct burn_drive *d)
value -1 of open(2) war used. */
if(! burn_drive_is_open(d)) {
try_open:;
/* ts A60821
<<< debug: for tracing calls which might use open drive fds */
mmc_function_spy(NULL, "sg_grab ----------- opening");
@ -1717,13 +1719,19 @@ int sg_grab(struct burn_drive *d)
fcntl(fd, F_SETOWN, getpid());
d->released = 0;
return 1;
}
} else if (errno == EBUSY)
goto drive_is_in_use;
libdax_msgs_submit(libdax_messenger, d->global_index, 0x00020003,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,
"Could not grab drive", os_errno, 0);
return 0;
drive_is_in_use:;
tries++;
if (tries < max_tries) {
usleep(2000000);
goto try_open;
}
libdax_msgs_submit(libdax_messenger, d->global_index,
0x00020003,
LIBDAX_MSGS_SEV_SORRY, LIBDAX_MSGS_PRIO_HIGH,