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Implemented new API function burn_set_signal_handling(), libburner uses it

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This commit is contained in:
Thomas Schmitt
2006-10-03 16:37:08 +00:00
parent b3bea43074
commit 3b16ef699f
11 changed files with 349 additions and 35 deletions
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46
libburn/init.c
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@ -38,6 +38,15 @@ int burn_sg_open_o_nonblock = 1;
int burn_sg_open_abort_busy = 0;
/* ts A61002 */
#include "cleanup.h"
/* Parameters for builtin abort handler */
static char abort_message_prefix[81] = {"libburn : "};
static pid_t abort_control_pid= 0;
/* ts A60925 : ticket 74 */
/** Create the messenger object for libburn. */
int burn_msgs_initialize(void)
@ -197,3 +206,40 @@ ex:
return ret;
}
int burn_builtin_abort_handler(void *handle, int signum, int flag)
{
if(getpid() != abort_control_pid)
return -2;
Cleanup_set_handlers(NULL, NULL, 2);
fprintf(stderr,"%sABORT : Trying to shut down drive and library\n",
abort_message_prefix);
fprintf(stderr,
"%sABORT : Wait the normal burning time before any kill -9\n",
abort_message_prefix);
close(0); /* somehow stdin as input blocks abort until EOF */
burn_abort(4440, burn_abort_pacifier, abort_message_prefix);
fprintf(stderr,
"\n%sABORT : Program done. Even if you do not see a shell prompt.\n\n",
abort_message_prefix);
return(1);
}
void burn_set_signal_handling(void *handle, burn_abort_handler_t handler,
int mode)
{
if(handler == NULL && mode == 0) {
handler = burn_builtin_abort_handler;
/*
fprintf(stderr, "libburn_experimental: activated burn_builtin_abort_handler() with handle '%s'\n",(handle==NULL ? "libburn : " : (char *) handle));
*/
}
strcpy(abort_message_prefix, "libburn : ");
if(handle != NULL)
strncpy(abort_message_prefix, (char *) handle,
sizeof(abort_message_prefix)-1);
abort_message_prefix[sizeof(abort_message_prefix)-1] = 0;
abort_control_pid= getpid();
Cleanup_set_handlers(handle, (Cleanup_app_handler_T) handler, mode|4);
}