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Bug fix: cdrskin produced a memory fault if interupted before writing began

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This commit is contained in:
Thomas Schmitt 2012-01-23 10:17:26 +00:00
parent ddd04cc502
commit 09d0beb6ac
2 changed files with 26 additions and 6 deletions
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28
libburn/trunk/cdrskin/cdrskin.c
View File

@ -4071,7 +4071,6 @@ int Cdrskin_abort(struct CdrskiN *skin, int flag)
if(ret<=0) { if(ret<=0) {
fprintf(stderr, fprintf(stderr,
"\ncdrskin: ABORT : Cannot cancel burn session and release drive.\n"); "\ncdrskin: ABORT : Cannot cancel burn session and release drive.\n");
return(0);
} else { } else {
fprintf(stderr, fprintf(stderr,
"cdrskin: ABORT : Drive is released and library is shut down now.\n"); "cdrskin: ABORT : Drive is released and library is shut down now.\n");
@ -4091,6 +4090,15 @@ int Cdrskin_abort_handler(struct CdrskiN *skin, int signum, int flag)
struct burn_progress p; struct burn_progress p;
enum burn_drive_status drive_status= BURN_DRIVE_GRABBING; enum burn_drive_status drive_status= BURN_DRIVE_GRABBING;
/*
fprintf(stderr,
"cdrskin_DEBUG: Cdrskin_abort_handler: signum=%d, flag=%d, drive_is_busy=%d\n",
signum, flag, skin->drive_is_busy);
*/
if(!skin->drive_is_busy)
Cdrskin_abort(skin, 0); /* Never comes back */
if(getpid()!=skin->control_pid) { if(getpid()!=skin->control_pid) {
if(skin->verbosity>=Cdrskin_verbose_debuG) if(skin->verbosity>=Cdrskin_verbose_debuG)
ClN(fprintf(stderr, ClN(fprintf(stderr,
@ -4132,12 +4140,13 @@ int Cdrskin_abort_handler(struct CdrskiN *skin, int signum, int flag)
fprintf(stderr,"cdrskin: ABORT : Usually it is done with 4x speed after about a MINUTE\n"); fprintf(stderr,"cdrskin: ABORT : Usually it is done with 4x speed after about a MINUTE\n");
fprintf(stderr,"cdrskin: URGE : But wait at least the normal burning time before any kill -9\n"); fprintf(stderr,"cdrskin: URGE : But wait at least the normal burning time before any kill -9\n");
} }
if(skin->verbosity>=Cdrskin_verbose_debuG)
ClN(fprintf(stderr,"cdrskin_debug: ABORT : Calling burn_abort()\n"));
Cdrskin_abort_leveL= -1; Cdrskin_abort_leveL= -1;
if (!(flag & 1)) if (!(flag & 1)) {
if(skin->verbosity>=Cdrskin_verbose_debuG)
ClN(fprintf(stderr,"cdrskin_debug: ABORT : Calling burn_abort()\n"));
burn_abort(-1, burn_abort_pacifier, "cdrskin: "); burn_abort(-1, burn_abort_pacifier, "cdrskin: ");
}
fprintf(stderr, fprintf(stderr,
"cdrskin: ABORT : Urged drive worker threads to do emergency halt.\n"); "cdrskin: ABORT : Urged drive worker threads to do emergency halt.\n");
return(-2); return(-2);
@ -5582,6 +5591,8 @@ int Cdrskin_wait_before_action(struct CdrskiN *skin, int flag)
} }
for(i= skin->gracetime-1;i>=0;i--) { for(i= skin->gracetime-1;i>=0;i--) {
usleep(1000000); usleep(1000000);
if(Cdrskin__is_aborting(0))
return(0);
if(skin->verbosity>=Cdrskin_verbose_progresS) { if(skin->verbosity>=Cdrskin_verbose_progresS) {
printf("\b\b\b\b\b\b\b\b\b\b\b\b\b %3d seconds.",i); printf("\b\b\b\b\b\b\b\b\b\b\b\b\b %3d seconds.",i);
fflush(stdout); fflush(stdout);
@ -5813,6 +5824,8 @@ unsupported_format_type:;
1+(do_format==1 || do_format==3 || do_format==4)); 1+(do_format==1 || do_format==3 || do_format==4));
#endif /* ! Cdrskin_extra_leaN */ #endif /* ! Cdrskin_extra_leaN */
if(Cdrskin__is_aborting(0))
{ret= 0; goto ex;}
skin->drive_is_busy= 1; skin->drive_is_busy= 1;
if(do_format==0 || do_format==2) { if(do_format==0 || do_format==2) {
burn_disc_erase(drive,skin->blank_fast); burn_disc_erase(drive,skin->blank_fast);
@ -7012,6 +7025,9 @@ burn_failed:;
#ifndef Cdrskin_extra_leaN #ifndef Cdrskin_extra_leaN
Cdrskin_wait_before_action(skin,0); Cdrskin_wait_before_action(skin,0);
if(burn_is_aborting(0))
{ret= 0; goto ex;}
if(needs_early_fifo_fill==1) if(needs_early_fifo_fill==1)
ret= 1; ret= 1;
else if(skin->cuefile[0] != 0) else if(skin->cuefile[0] != 0)
@ -7031,6 +7047,8 @@ fifo_filling_failed:;
printf("Starting new track at sector: %d\n",nwa); printf("Starting new track at sector: %d\n",nwa);
fflush(stdout); fflush(stdout);
} }
if(burn_is_aborting(0))
{ret= 0; goto ex;}
skin->drive_is_busy= 1; skin->drive_is_busy= 1;
burn_disc_write(o, disc); burn_disc_write(o, disc);
if(skin->preskin->abort_handler==-1) if(skin->preskin->abort_handler==-1)
@ -7079,6 +7097,8 @@ fifo_filling_failed:;
exit(1); exit(1);
} }
if(Cdrskin__is_aborting(0))
fifo_disabled= 1;
if(skin->fifo==NULL || fifo_disabled) { if(skin->fifo==NULL || fifo_disabled) {
usleep(20000); usleep(20000);
} else { } else {

2
libburn/trunk/cdrskin/cdrskin_timestamp.h
View File

@ -1 +1 @@
#define Cdrskin_timestamP "2012.01.22.182854" #define Cdrskin_timestamP "2012.01.22.194131"