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Adapted xorriso signal handling to new libburn advise

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This commit is contained in:
Thomas Schmitt 2010-03-09 06:52:24 +00:00
parent 4800644dcc
commit 47ce7c6f9b
5 changed files with 106 additions and 19 deletions
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19
libisoburn/trunk/xorriso/xorriso.c
View File

@ -166,6 +166,10 @@ or
#include "xorrisoburn.h"
/* See Xorriso__preset_signal_behavior() */
static int Xorriso_signal_behavioR= 1;
/* ------------------------------------------------------------------------ */
@ -5033,6 +5037,21 @@ int Xorriso_destroy(struct XorrisO **xorriso, int flag)
}
int Xorriso__preset_signal_behavior(int behavior, int flag)
{
if(behavior < 0 || behavior > 1)
return(0);
Xorriso_signal_behavioR= behavior;
return(1);
}
int Xorriso__get_signal_behavior(int flag)
{
return(Xorriso_signal_behavioR);
}
int Xorriso_dialog_input(struct XorrisO *xorriso, char line[], int linesize,
int flag)
/*

14
libisoburn/trunk/xorriso/xorriso.h
View File

@ -39,6 +39,20 @@ char *Xorriso__get_version_text(int flag);
char *Xorriso__get_patch_level_text(int flag);
/* Choose how Xorriso_startup_libraries() and the XorrisO object shall
prepare for eventual signals.
@param behavior Default is behavior 1.
0= no own signal handling. The main application has to do
that. Do not start burn runs without any handling !
1= use libburn signal handler. Most time with action
0. During writing, formatting, blanking: 0x30.
Only usable with a single xorriso object.
@param flag unused yet, submit 0
@return <= 0 is error, >0 is success
*/
int Xorriso__preset_signal_behavior(int behavior, int flag);
/* Mandatory call:
Create a new xorriso object and tell it the program name to be used
with messages and for decision of special behavior.

6
libisoburn/trunk/xorriso/xorriso_private.h
View File

@ -50,10 +50,6 @@ struct SectorbitmaP; /* Distiniction between valid and invalid sectors */
/* maximum number of history lines to be reported with -status:long_history */
#define Xorriso_status_history_maX 100
/* <<< ??? */
/* try to catch signals and ignore them during abort handling */
#define Xorriso_abort_handler_defaulT (1|(2<<4))
/** The list of startup file names */
#define Xorriso_rc_nuM 4
@ -475,6 +471,8 @@ struct XorrisO { /* the global context of xorriso */
};
int Xorriso__get_signal_behavior(int flag);
int Xorriso_prepare_regex(struct XorrisO *xorriso, char *adr, int flag);
int Xorriso_result(struct XorrisO *xorriso, int flag);

2
libisoburn/trunk/xorriso/xorriso_timestamp.h
View File

@ -1 +1 @@
#define Xorriso_timestamP "2010.03.09.065117"
#define Xorriso_timestamP "2010.03.09.065408"

84
libisoburn/trunk/xorriso/xorrisoburn.c
View File

@ -144,6 +144,25 @@ static const char *un0(const char *text)
}
int Xorriso_abort(struct XorrisO *xorriso, int flag)
{
int ret;
ret= burn_abort(4440, burn_abort_pacifier, "xorriso : ");
if(ret<=0) {
fprintf(stderr,
"\nxorriso : ABORT : Cannot cancel burn session and release drive.\n");
return(0);
}
fprintf(stderr,
"xorriso : ABORT : Drive is released and library is shut down now.\n");
fprintf(stderr,
"xorriso : ABORT : Program done. Even if you do not see a shell prompt.\n");
fprintf(stderr, "\n");
exit(1);
}
int Xorriso_destroy_node_array(struct XorrisO *xorriso, int flag)
{
int i;
@ -537,11 +556,31 @@ int Xorriso_search_di_range(struct XorrisO *xorriso, IsoNode *node,
/* ------------------------------------------------------------------------ */
/* @param flag bit0= asynchronous handling (else catch thread, wait, and exit)
*/
int Xorriso_set_signal_handling(struct XorrisO *xorriso, int flag)
{
char *handler_prefix= NULL;
if(Xorriso__get_signal_behavior(0) != 1)
return(2);
handler_prefix= calloc(strlen(xorriso->progname)+3+1, 1);
if(handler_prefix==NULL) {
sprintf(xorriso->info_text,
"Cannot allocate memory for for setting signal handler");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(-1);
}
sprintf(handler_prefix, "%s : ", xorriso->progname);
burn_set_signal_handling(handler_prefix, NULL, (flag & 1) * 0x30);
free(handler_prefix);
return(1);
}
int Xorriso_startup_libraries(struct XorrisO *xorriso, int flag)
{
int ret, major, minor, micro;
char *handler_prefix= NULL;
char *queue_sev, *print_sev, reason[1024];
struct iso_zisofs_ctrl zisofs_ctrl= {0, 6, 15};
@ -587,13 +626,6 @@ LIBISOBURN_MISCONFIGURATION_ = 0;
/* End of ugly compile time test (scroll up for explanation) */
handler_prefix= calloc(strlen(xorriso->progname)+3+1, 1);
if(handler_prefix==NULL) {
sprintf(xorriso->info_text,
"Cannot allocate memory for initializing libraries");
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
return(-1);
}
reason[0]= 0;
ret= isoburn_initialize(reason, 0);
if(ret==0) {
@ -602,7 +634,6 @@ LIBISOBURN_MISCONFIGURATION_ = 0;
sprintf(xorriso->info_text+strlen(xorriso->info_text),
". Reason given:\n%s", reason);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "FATAL", 0);
free(handler_prefix);
return(0);
}
ret= isoburn_is_compatible(isoburn_header_version_major,
@ -640,8 +671,9 @@ LIBISOBURN_MISCONFIGURATION_ = 0;
isoburn_set_msgs_submit(Xorriso_msgs_submit_void, (void *) xorriso,
(3<<2) | 128 , 0);
sprintf(handler_prefix, "%s : ", xorriso->progname);
burn_set_signal_handling(handler_prefix, NULL, 0);
ret= Xorriso_set_signal_handling(xorriso, 0);
if(ret <= 0)
return(ret);
ret = iso_zisofs_get_params(&zisofs_ctrl, 0);
if (ret == 1) {
@ -658,7 +690,6 @@ LIBISOBURN_MISCONFIGURATION_ = 0;
strcpy(xorriso->info_text, "Using ");
strncat(xorriso->info_text, burn_scsi_transport_id(0), 1024);
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "DEBUG", 0);
free(handler_prefix);
return(1);
}
@ -2041,11 +2072,17 @@ int Xorriso_write_session(struct XorrisO *xorriso, int flag)
if(ret <= 0)
goto ex;
/* Important: do not return until burn_is_aborting() was checked */
Xorriso_set_signal_handling(xorriso, 1);
xorriso->run_state= 1; /* Indicate that burning has started */
isoburn_disc_write(burn_options, disc);
burn_write_opts_free(burn_options);
ret= Xorriso_pacifier_loop(xorriso, drive, pacifier_speed << 4);
if(burn_is_aborting(0))
Xorriso_abort(xorriso, 0); /* Never comes back */
Xorriso_set_signal_handling(xorriso, 0);
if(ret<=0)
goto ex;
if(!isoburn_drive_wrote_well(drive)) {
@ -2116,6 +2153,8 @@ int Xorriso_check_burn_abort(struct XorrisO *xorriso, int flag)
struct burn_drive_info *dinfo;
struct burn_drive *drive;
if(burn_is_aborting(0))
return(2);
if(xorriso->run_state!=1)
return(0);
ret= Xorriso_eval_problem_status(xorriso, 1, 1);
@ -5762,6 +5801,9 @@ int Xorriso_blank_media(struct XorrisO *xorriso, int flag)
mode_names[flag&3]);
Xorriso_info(xorriso,0);
/* Important: do not return until burn_is_aborting() was checked */
Xorriso_set_signal_handling(xorriso, 1);
if(do_deformat)
burn_disc_erase(drive, (flag&1));
else
@ -5778,7 +5820,9 @@ int Xorriso_blank_media(struct XorrisO *xorriso, int flag)
usleep(1000000);
}
Xorriso_process_msg_queues(xorriso,0);
if(burn_is_aborting(0))
Xorriso_abort(xorriso, 0); /* Never comes back */
Xorriso_set_signal_handling(xorriso, 0);
if(burn_drive_wrote_well(drive)) {
sprintf(xorriso->info_text, "Blanking done\n");
Xorriso_info(xorriso,0);
@ -5915,6 +5959,10 @@ int Xorriso_format_media(struct XorrisO *xorriso, off_t in_size, int flag)
Xorriso_info(xorriso, 0);
if(flag & 2)
size= in_size;
/* Important: do not return until burn_is_aborting() was checked */
Xorriso_set_signal_handling(xorriso, 1);
burn_disc_format(drive, size, mode_flag);
start_time= time(0);
@ -5928,8 +5976,10 @@ int Xorriso_format_media(struct XorrisO *xorriso, off_t in_size, int flag)
Xorriso_msgs_submit(xorriso, 0, xorriso->info_text, 0, "UPDATE", 0);
usleep(1000000);
}
Xorriso_process_msg_queues(xorriso,0);
if(burn_is_aborting(0))
Xorriso_abort(xorriso, 0); /* Never comes back */
Xorriso_set_signal_handling(xorriso, 0);
if(burn_drive_wrote_well(drive)) {
sprintf(xorriso->info_text, "Formatting done\n");
@ -9144,10 +9194,16 @@ int Xorriso_burn_track(struct XorrisO *xorriso, off_t write_start_address,
if(ret<=0)
goto ex;
/* Important: do not return until burn_is_aborting() was checked */
Xorriso_set_signal_handling(xorriso, 1);
xorriso->run_state= 1; /* Indicate that burning has started */
burn_disc_write(burn_options, disc);
ret= Xorriso_pacifier_loop(xorriso, drive, 2 | (is_cd << 4) | (is_bd << 5));
if(burn_is_aborting(0))
Xorriso_abort(xorriso, 0); /* Never comes back */
Xorriso_set_signal_handling(xorriso, 0);
if(ret<=0)
goto ex;
if(!burn_drive_wrote_well(drive)) {