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Use PTHREAD_MUTEX_ERRORCHECK. This enables rump deadlock detection

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once again:
panic: rumpuser fatal failure 11 (Resource deadlock avoided)
This commit is contained in:
pooka 2009-09-08 20:04:03 +00:00
parent 0b4006b755
commit 795229a9f5
1 changed files with 10 additions and 3 deletions
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13
sys/rump/librump/rumpuser/rumpuser_pth.c
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@ -1,4 +1,4 @@
/* $NetBSD: rumpuser_pth.c,v 1.34 2009/07/14 21:00:53 apb Exp $ */
/* $NetBSD: rumpuser_pth.c,v 1.35 2009/09/08 20:04:03 pooka Exp $ */
/*
* Copyright (c) 2007 Antti Kantee. All Rights Reserved.
@ -30,7 +30,7 @@
#include <sys/cdefs.h>
#if !defined(lint)
__RCSID("$NetBSD: rumpuser_pth.c,v 1.34 2009/07/14 21:00:53 apb Exp $");
__RCSID("$NetBSD: rumpuser_pth.c,v 1.35 2009/09/08 20:04:03 pooka Exp $");
#endif /* !lint */
#ifdef __linux__
@ -237,8 +237,15 @@ rumpuser_thread_exit(void)
void
rumpuser_mutex_init(struct rumpuser_mtx **mtx)
{
pthread_mutexattr_t att;
NOFAIL(*mtx = malloc(sizeof(struct rumpuser_mtx)));
NOFAIL_ERRNO(pthread_mutex_init(&((*mtx)->pthmtx), NULL));
pthread_mutexattr_init(&att);
pthread_mutexattr_settype(&att, PTHREAD_MUTEX_ERRORCHECK);
NOFAIL_ERRNO(pthread_mutex_init(&((*mtx)->pthmtx), &att));
pthread_mutexattr_destroy(&att);
(*mtx)->owner = NULL;
(*mtx)->recursion = 0;
}