diff options
| -rw-r--r-- | share/man/man4/ddb.4 | 11 | ||||
| -rw-r--r-- | sys/ddb/db_command.c | 3 | ||||
| -rw-r--r-- | sys/ddb/db_interface.h | 3 | ||||
| -rw-r--r-- | sys/kern/kern_proc.c | 24 |
4 files changed, 36 insertions, 5 deletions
diff --git a/share/man/man4/ddb.4 b/share/man/man4/ddb.4 index ba65c8d0203..24537d083f2 100644 --- a/share/man/man4/ddb.4 +++ b/share/man/man4/ddb.4 @@ -1,4 +1,4 @@ -.\" $OpenBSD: ddb.4,v 1.90 2017/09/12 08:27:44 mpi Exp $ +.\" $OpenBSD: ddb.4,v 1.91 2017/09/29 09:36:04 mpi Exp $ .\" $NetBSD: ddb.4,v 1.5 1994/11/30 16:22:09 jtc Exp $ .\" .\" Mach Operating System @@ -25,7 +25,7 @@ .\" any improvements or extensions that they make and grant Carnegie Mellon .\" the rights to redistribute these changes. .\" -.Dd $Mdocdate: September 12 2017 $ +.Dd $Mdocdate: September 29 2017 $ .Dt DDB 4 .Os .Sh NAME @@ -542,6 +542,13 @@ The command is a synonym for .Ic match . .\" -------------------- +.It Ic kill Ar pid +Send an uncatchable +.Dv SIGABRT +signal to the process specified by the +.Ar pid +argument. +.\" -------------------- .It Xo .Ic trace .Op Cm /pu diff --git a/sys/ddb/db_command.c b/sys/ddb/db_command.c index 0cf09c4c878..7ab47548594 100644 --- a/sys/ddb/db_command.c +++ b/sys/ddb/db_command.c @@ -1,4 +1,4 @@ -/* $OpenBSD: db_command.c,v 1.77 2017/09/12 08:23:42 mpi Exp $ */ +/* $OpenBSD: db_command.c,v 1.78 2017/09/29 09:36:04 mpi Exp $ */ /* $NetBSD: db_command.c,v 1.20 1996/03/30 22:30:05 christos Exp $ */ /* @@ -612,6 +612,7 @@ struct db_command db_command_table[] = { /* this must be the first entry, if it exists */ { "machine", NULL, 0, NULL}, #endif + { "kill", db_kill_cmd, 0, NULL }, { "print", db_print_cmd, 0, NULL }, { "p", db_print_cmd, 0, NULL }, { "pprint", db_ctf_pprint_cmd, CS_OWN, NULL }, diff --git a/sys/ddb/db_interface.h b/sys/ddb/db_interface.h index 9ae9d20024c..11d0409dd77 100644 --- a/sys/ddb/db_interface.h +++ b/sys/ddb/db_interface.h @@ -1,4 +1,4 @@ -/* $OpenBSD: db_interface.h,v 1.19 2017/01/09 17:58:44 mpi Exp $ */ +/* $OpenBSD: db_interface.h,v 1.20 2017/09/29 09:36:04 mpi Exp $ */ /* $NetBSD: db_interface.h,v 1.1 1996/02/05 01:57:03 christos Exp $ */ /* @@ -40,6 +40,7 @@ void db_stack_trace_print(db_expr_t, int, db_expr_t, char *, db_addr_t db_disasm(db_addr_t, boolean_t); /* kern/kern_proc.c */ +void db_kill_cmd(db_expr_t, int, db_expr_t, char *); void db_show_all_procs(db_expr_t, int, db_expr_t, char *); /* kern/kern_timeout.c */ diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c index 2436de90016..37ad3232b75 100644 --- a/sys/kern/kern_proc.c +++ b/sys/kern/kern_proc.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_proc.c,v 1.76 2017/02/04 07:42:52 guenther Exp $ */ +/* $OpenBSD: kern_proc.c,v 1.77 2017/09/29 09:36:04 mpi Exp $ */ /* $NetBSD: kern_proc.c,v 1.14 1996/02/09 18:59:41 christos Exp $ */ /* @@ -440,6 +440,28 @@ proc_printit(struct proc *p, const char *modif, #include <ddb/db_output.h> void +db_kill_cmd(db_expr_t addr, int have_addr, db_expr_t count, char *modif) +{ + struct process *pr; + struct sigaction sa; + struct proc *p; + + pr = prfind(addr); + if (pr == NULL) { + db_printf("%ld: No such process", addr); + return; + } + + p = TAILQ_FIRST(&pr->ps_threads); + + /* Send uncatchable SIGABRT for coredump */ + memset(&sa, 0, sizeof sa); + sa.sa_handler = SIG_DFL; + setsigvec(p, SIGABRT, &sa); + psignal(p, SIGABRT); +} + +void db_show_all_procs(db_expr_t addr, int haddr, db_expr_t count, char *modif) { char *mode; |