Inserted prints to see how sg_issue_command() is called (printing is disabled now)
This commit is contained in:
@ -39,11 +39,32 @@ static unsigned char MMC_TRACK_INFO[] = { 0x52, 0, 0, 0, 0, 0, 0, 16, 0, 0 };
|
||||
static unsigned char MMC_SEND_CUE_SHEET[] =
|
||||
{ 0x5D, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
|
||||
|
||||
|
||||
static int mmc_function_spy_do_tell = 0;
|
||||
|
||||
int mmc_function_spy(char * text)
|
||||
{
|
||||
|
||||
if (mmc_function_spy_do_tell)
|
||||
fprintf(stderr,"libburn: experimental: mmc_function_spy: %s\n",
|
||||
text);
|
||||
return 1;
|
||||
}
|
||||
|
||||
int mmc_function_spy_ctrl(int do_tell)
|
||||
{
|
||||
mmc_function_spy_do_tell= !!do_tell;
|
||||
return 1;
|
||||
}
|
||||
|
||||
|
||||
void mmc_send_cue_sheet(struct burn_drive *d, struct cue_sheet *s)
|
||||
{
|
||||
struct buffer buf;
|
||||
struct command c;
|
||||
|
||||
|
||||
mmc_function_spy("mmc_send_cue_sheet");
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_SEND_CUE_SHEET);
|
||||
memcpy(c.opcode, MMC_SEND_CUE_SHEET, sizeof(MMC_SEND_CUE_SHEET));
|
||||
@ -64,6 +85,7 @@ int mmc_get_nwa(struct burn_drive *d)
|
||||
struct command c;
|
||||
unsigned char *data;
|
||||
|
||||
mmc_function_spy("mmc_get_nwa");
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_TRACK_INFO);
|
||||
memcpy(c.opcode, MMC_TRACK_INFO, sizeof(MMC_TRACK_INFO));
|
||||
@ -79,6 +101,7 @@ int mmc_get_nwa(struct burn_drive *d)
|
||||
|
||||
void mmc_close_disc(struct burn_drive *d, struct burn_write_opts *o)
|
||||
{
|
||||
mmc_function_spy("mmc_close_disc");
|
||||
assert(o->drive == d);
|
||||
o->multi = 0;
|
||||
spc_select_write_params(d, o);
|
||||
@ -87,6 +110,7 @@ void mmc_close_disc(struct burn_drive *d, struct burn_write_opts *o)
|
||||
|
||||
void mmc_close_session(struct burn_drive *d, struct burn_write_opts *o)
|
||||
{
|
||||
mmc_function_spy("mmc_close_session");
|
||||
assert(o->drive == d);
|
||||
o->multi = 3;
|
||||
spc_select_write_params(d, o);
|
||||
@ -97,6 +121,7 @@ void mmc_close(struct burn_drive *d, int session, int track)
|
||||
{
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_close_session");
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_CLOSE);
|
||||
memcpy(c.opcode, MMC_CLOSE, sizeof(MMC_CLOSE));
|
||||
@ -113,6 +138,7 @@ void mmc_get_event(struct burn_drive *d)
|
||||
struct buffer buf;
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_get_event");
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_GET_EVENT);
|
||||
memcpy(c.opcode, MMC_GET_EVENT, sizeof(MMC_GET_EVENT));
|
||||
@ -133,6 +159,7 @@ void mmc_write_12(struct burn_drive *d, int start, struct buffer *buf)
|
||||
struct command c;
|
||||
int len;
|
||||
|
||||
mmc_function_spy("mmc_write_12");
|
||||
len = buf->sectors;
|
||||
assert(buf->bytes >= buf->sectors); /* can be == at 0... */
|
||||
burn_print(100, "trying to write %d at %d\n", len, start);
|
||||
@ -159,6 +186,7 @@ int mmc_write(struct burn_drive *d, int start, struct buffer *buf)
|
||||
struct command c;
|
||||
int len;
|
||||
|
||||
mmc_function_spy("mmc_write");
|
||||
pthread_mutex_lock(&d->access_lock);
|
||||
cancelled = d->cancel;
|
||||
pthread_mutex_unlock(&d->access_lock);
|
||||
@ -203,6 +231,7 @@ void mmc_read_toc(struct burn_drive *d)
|
||||
int i;
|
||||
unsigned char *tdata;
|
||||
|
||||
mmc_function_spy("mmc_read_toc");
|
||||
memcpy(c.opcode, MMC_GET_TOC, sizeof(MMC_GET_TOC));
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_GET_TOC);
|
||||
@ -293,6 +322,7 @@ void mmc_read_disc_info(struct burn_drive *d)
|
||||
unsigned char *data;
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_read_disc_info");
|
||||
memcpy(c.opcode, MMC_GET_DISC_INFO, sizeof(MMC_GET_DISC_INFO));
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_GET_DISC_INFO);
|
||||
@ -329,6 +359,7 @@ void mmc_read_atip(struct burn_drive *d)
|
||||
struct buffer buf;
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_read_atip");
|
||||
memcpy(c.opcode, MMC_GET_ATIP, sizeof(MMC_GET_ATIP));
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_GET_ATIP);
|
||||
@ -350,6 +381,7 @@ void mmc_read_sectors(struct burn_drive *d,
|
||||
int errorblock, req;
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_read_sectors");
|
||||
assert(len >= 0);
|
||||
/* if the drive isn't busy, why the hell are we here? */
|
||||
assert(d->busy);
|
||||
@ -405,6 +437,7 @@ void mmc_erase(struct burn_drive *d, int fast)
|
||||
{
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_erase");
|
||||
memcpy(c.opcode, MMC_ERASE, sizeof(MMC_ERASE));
|
||||
c.opcode[1] = 16; /* IMMED set to 1 */
|
||||
c.opcode[1] |= !!fast;
|
||||
@ -420,6 +453,7 @@ void mmc_read_lead_in(struct burn_drive *d, struct buffer *buf)
|
||||
int len;
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_read_lead_in");
|
||||
len = buf->sectors;
|
||||
memcpy(c.opcode, MMC_READ_CD, sizeof(MMC_READ_CD));
|
||||
c.retry = 1;
|
||||
@ -442,6 +476,7 @@ void mmc_perform_opc(struct burn_drive *d)
|
||||
{
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_perform_opc");
|
||||
memcpy(c.opcode, MMC_SEND_OPC, sizeof(MMC_SEND_OPC));
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_SEND_OPC);
|
||||
@ -455,6 +490,7 @@ void mmc_set_speed(struct burn_drive *d, int r, int w)
|
||||
{
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_set_speed");
|
||||
memcpy(c.opcode, MMC_SET_SPEED, sizeof(MMC_SET_SPEED));
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_SET_SPEED);
|
||||
@ -473,6 +509,7 @@ void mmc_get_configuration(struct burn_drive *d)
|
||||
int len;
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_get_configuration");
|
||||
memcpy(c.opcode, MMC_GET_CONFIGURATION, sizeof(MMC_GET_CONFIGURATION));
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_GET_CONFIGURATION);
|
||||
@ -497,6 +534,7 @@ void mmc_sync_cache(struct burn_drive *d)
|
||||
{
|
||||
struct command c;
|
||||
|
||||
mmc_function_spy("mmc_sync_cache");
|
||||
memcpy(c.opcode, MMC_SYNC_CACHE, sizeof(MMC_SYNC_CACHE));
|
||||
c.retry = 1;
|
||||
c.oplen = sizeof(MMC_SYNC_CACHE);
|
||||
|
||||
46
libburn/sg.c
46
libburn/sg.c
@ -37,6 +37,11 @@ extern int burn_sg_open_o_nonblock;
|
||||
extern int burn_sg_open_abort_busy;
|
||||
|
||||
|
||||
/* ts A60821
|
||||
<<< debug: for tracing calls which might use open drive fds */
|
||||
int mmc_function_spy(char * text);
|
||||
|
||||
|
||||
static int sgio_test(int fd)
|
||||
{
|
||||
unsigned char test_ops[] = { 0, 0, 0, 0, 0, 0 };
|
||||
@ -233,6 +238,10 @@ static void enumerate_common(char *fname)
|
||||
memset(&out.params, 0, sizeof(struct params));
|
||||
t = burn_drive_register(&out);
|
||||
|
||||
/* ts A60821
|
||||
<<< debug: for tracing calls which might use open drive fds */
|
||||
mmc_function_spy("enumerate_common : -------- doing grab");
|
||||
|
||||
/* try to get the drive info */
|
||||
if (sg_grab(t)) {
|
||||
burn_print(2, "getting drive info\n");
|
||||
@ -243,6 +252,10 @@ static void enumerate_common(char *fname)
|
||||
burn_print(2, "unable to grab new located drive\n");
|
||||
}
|
||||
|
||||
/* ts A60821
|
||||
<<< debug: for tracing calls which might use open drive fds */
|
||||
mmc_function_spy("enumerate_common : ----- would release ");
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
@ -260,6 +273,11 @@ int sg_grab(struct burn_drive *d)
|
||||
/* ts A60813 */
|
||||
int open_mode = O_RDWR;
|
||||
|
||||
/* ts A60821
|
||||
<<< debug: for tracing calls which might use open drive fds */
|
||||
mmc_function_spy("sg_grab");
|
||||
|
||||
|
||||
/* ts A60813
|
||||
O_EXCL with block devices is an unpublished feature
|
||||
of Linux kernels. Possibly introduced 2002.
|
||||
@ -279,9 +297,15 @@ int sg_grab(struct burn_drive *d)
|
||||
-1337 is the initial value of burn_drive.fd and the value after
|
||||
relase of drive. Unclear why not the official error return
|
||||
value -1 of open(2) war used. */
|
||||
if(d->fd == -1337)
|
||||
/* ts A60822: was if(d->fd == -1337) { */
|
||||
if(! burn_drive_is_open(d)) {
|
||||
|
||||
/* ts A60821
|
||||
<<< debug: for tracing calls which might use open drive fds */
|
||||
mmc_function_spy("sg_grab ----------- opening");
|
||||
|
||||
fd = open(d->devname, open_mode);
|
||||
else
|
||||
} else
|
||||
fd= d->fd;
|
||||
|
||||
assert(fd != -1337);
|
||||
@ -313,10 +337,19 @@ int sg_grab(struct burn_drive *d)
|
||||
|
||||
int sg_release(struct burn_drive *d)
|
||||
{
|
||||
/* ts A60821
|
||||
<<< debug: for tracing calls which might use open drive fds */
|
||||
mmc_function_spy("sg_release");
|
||||
|
||||
if (d->fd < 1) {
|
||||
burn_print(1, "release an ungrabbed drive. die\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* ts A60821
|
||||
<<< debug: for tracing calls which might use open drive fds */
|
||||
mmc_function_spy("sg_release ----------- closing");
|
||||
|
||||
close(d->fd);
|
||||
d->fd = -1337;
|
||||
return 0;
|
||||
@ -328,6 +361,15 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
|
||||
int err;
|
||||
sg_io_hdr_t s;
|
||||
|
||||
|
||||
/* ts A60821
|
||||
<<< debug: for tracing calls which might use open drive fds */
|
||||
char buf[161];
|
||||
sprintf(buf,"sg_issue_command d->fd= %d d->released= %d\n",
|
||||
d->fd,d->released);
|
||||
mmc_function_spy(buf);
|
||||
|
||||
|
||||
c->error = 0;
|
||||
/*
|
||||
this is valid during the mode probe in scan
|
||||
|
||||
Reference in New Issue
Block a user