upstream/haproxy
1
0
Fork 0
mirror of https://github.com/haproxy/haproxy.git synced 2026-04-15 21:59:41 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

MINOR: debug: implement ha_panic()

Browse source 
This function dumps all existing threads using the thread dump mechanism
then aborts. This will be used by the lockup detection and by debugging
tools.
This commit is contained in:
Willy Tarreau 2019-05-20 13:48:29 +02:00
parent 9fc5dcbd71
commit 56131ca58e
2 changed files with 12 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
include/common/debug.h
View file

@ -87,6 +87,7 @@ struct buffer;
void ha_task_dump(struct buffer *buf, const struct task *task, const char *pfx);
void ha_thread_dump(struct buffer *buf, int thr, int calling_tid);
void ha_thread_dump_all_to_trash();
void ha_panic();
/* This one is useful to automatically apply poisonning on an area returned
* by malloc(). Only "p_" is required to make it work, and to define a poison

11
src/debug.c
View file

@ -136,6 +136,17 @@ static int cli_io_handler_show_threads(struct appctx *appctx)
return 1;
}
/* dumps a state of all threads into the trash and on fd #2, then aborts. */
void ha_panic()
{
chunk_reset(&trash);
chunk_appendf(&trash, "Thread %u is about to kill the process.\n", tid);
ha_thread_dump_all_to_trash();
write(2, trash.area, trash.data);
for (;;)
abort();
}
#ifndef USE_THREAD_DUMP
/* This function dumps all threads' state to the trash. This version is the