crash handler that launches gdb. activated when started with -D option.
simplifies debugging crashes during the reg-tests.
This commit is contained in:
parent
bbc0a877c8
commit
ab11737b33
37
src/main.c
37
src/main.c
|
@ -26,6 +26,9 @@
|
||||||
#include <stdlib.h>
|
#include <stdlib.h>
|
||||||
#include <unistd.h>
|
#include <unistd.h>
|
||||||
#include <string.h>
|
#include <string.h>
|
||||||
|
#include <fcntl.h>
|
||||||
|
#include <signal.h>
|
||||||
|
#include <sys/wait.h>
|
||||||
|
|
||||||
int Pid; /* for maildir and imap */
|
int Pid; /* for maildir and imap */
|
||||||
char Hostname[256]; /* for maildir */
|
char Hostname[256]; /* for maildir */
|
||||||
|
@ -79,6 +82,34 @@ PACKAGE " " VERSION " - mailbox synchronizer\n"
|
||||||
exit( code );
|
exit( code );
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
crashHandler( int n )
|
||||||
|
{
|
||||||
|
int dpid;
|
||||||
|
char pbuf[10], pabuf[20];
|
||||||
|
|
||||||
|
close( 0 );
|
||||||
|
open( "/dev/tty", O_RDWR );
|
||||||
|
dup2( 0, 1 );
|
||||||
|
dup2( 0, 2 );
|
||||||
|
fprintf( stderr, "*** " EXE " caught signal %d. Starting debugger ...\n", n );
|
||||||
|
switch ((dpid = fork ())) {
|
||||||
|
case -1:
|
||||||
|
perror( "fork()" );
|
||||||
|
break;
|
||||||
|
case 0:
|
||||||
|
sprintf( pbuf, "%d", Pid );
|
||||||
|
sprintf( pabuf, "/proc/%d/exe", Pid );
|
||||||
|
execlp( "gdb", "gdb", pabuf, pbuf, (char *)0 );
|
||||||
|
perror( "execlp()" );
|
||||||
|
_exit( 1 );
|
||||||
|
default:
|
||||||
|
waitpid( dpid, 0, 0 );
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
exit( 3 );
|
||||||
|
}
|
||||||
|
|
||||||
static int
|
static int
|
||||||
matches( const char *t, const char *p )
|
matches( const char *t, const char *p )
|
||||||
{
|
{
|
||||||
|
@ -385,6 +416,12 @@ main( int argc, char **argv )
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
if (DFlags & DEBUG) {
|
||||||
|
signal( SIGSEGV, crashHandler );
|
||||||
|
signal( SIGBUS, crashHandler );
|
||||||
|
signal( SIGILL, crashHandler );
|
||||||
|
}
|
||||||
|
|
||||||
if (merge_ops( cops, ops ))
|
if (merge_ops( cops, ops ))
|
||||||
return 1;
|
return 1;
|
||||||
|
|
||||||
|
|
Loading…
Reference in New Issue
Block a user