From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <518BD9CF.1000800@xenomai.org>
Date: Thu, 09 May 2013 19:15:59 +0200
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai] [Posix] I/O multiplexing with select
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To: alex alex <duch.alexandre@gmail.com>
Cc: Xenomai <xenomai@xenomai.org>

On 05/09/2013 06:56 PM, alex alex wrote:

> vmlinux file
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Please try the following patch:

diff --git a/ksrc/skins/posix/syscall.c b/ksrc/skins/posix/syscall.c
index 49ed764..8ffd1ad 100644
--- a/ksrc/skins/posix/syscall.c
+++ b/ksrc/skins/posix/syscall.c
@@ -437,8 +437,10 @@ static int __pthread_set_name_np(struct pt_regs *regs)
 	k_tid = __pthread_find(&hkey);
 	if (k_tid) {
 		p = xnthread_user_task(&k_tid->threadbase);
-		strncpy(p->comm, name, sizeof(p->comm));
-		p->comm[sizeof(p->comm) - 1] = '\0';
+		if (p) {
+			strncpy(p->comm, name, sizeof(p->comm));
+			p->comm[sizeof(p->comm) - 1] = '\0';
+		}
 	}

 	return -pthread_set_name_np(k_tid, name);


-- 
                                                                Gilles.