From: Helge Deller <deller@gmx.de>
To: Laurent Vivier <laurent@vivier.eu>, qemu-devel@nongnu.org
Cc: dave.anglin@bell.net
Subject: [PATCH] linux-user: Adjust child_tidptr on set_tid_address() syscall
Date: Fri, 27 May 2022 17:46:32 +0200 [thread overview]
Message-ID: <YpDyWAr/MYl3mizU@p100> (raw)
Keep track of the new child tidptr given by a set_tid_address() syscall.
Signed-off-by: Helge Deller <deller@gmx.de>
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index f65045efe6..fdf5c1c03e 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -12202,7 +12202,11 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
#if defined(TARGET_NR_set_tid_address) && defined(__NR_set_tid_address)
case TARGET_NR_set_tid_address:
- return get_errno(set_tid_address((int *)g2h(cpu, arg1)));
+ {
+ TaskState *ts = cpu->opaque;
+ ts->child_tidptr = arg1;
+ return get_errno(set_tid_address((int *)g2h(cpu, ts->child_tidptr)));
+ }
#endif
case TARGET_NR_tkill:
next reply other threads:[~2022-05-27 16:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-27 15:46 Helge Deller [this message]
2022-05-27 20:44 ` [PATCH v2] linux-user: Adjust child_tidptr on set_tid_address() syscall Helge Deller
2022-05-27 22:32 ` Richard Henderson
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