From: Sergey Bugaev <bugaevc@gmail.com>
To: libc-alpha@sourceware.org, bug-hurd@gnu.org
Cc: Samuel Thibault <samuel.thibault@gnu.org>,
Sergey Bugaev <bugaevc@gmail.com>
Subject: [PATCH 4/5] hurd: Simplify _S_catch_exception_raise
Date: Fri, 14 Apr 2023 22:36:59 +0300 [thread overview]
Message-ID: <20230414193700.542116-4-bugaevc@gmail.com> (raw)
In-Reply-To: <20230414193700.542116-1-bugaevc@gmail.com>
_hurd_thread_sigstate () already handles finding an existing sigstate
before allocating a new one, so just use that. Bonus: this will only
lock the _hurd_siglock once.
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
---
hurd/catch-exc.c | 8 +-------
1 file changed, 1 insertion(+), 7 deletions(-)
diff --git a/hurd/catch-exc.c b/hurd/catch-exc.c
index 5ee2233a..d375bf67 100644
--- a/hurd/catch-exc.c
+++ b/hurd/catch-exc.c
@@ -58,13 +58,7 @@ _S_catch_exception_raise (mach_port_t port,
_hurd_exception2signal (&d, &signo);
/* Find the sigstate structure for the faulting thread. */
- __mutex_lock (&_hurd_siglock);
- for (ss = _hurd_sigstates; ss != NULL; ss = ss->next)
- if (ss->thread == thread)
- break;
- __mutex_unlock (&_hurd_siglock);
- if (ss == NULL)
- ss = _hurd_thread_sigstate (thread); /* Allocate a fresh one. */
+ ss = _hurd_thread_sigstate (thread);
if (__spin_lock_locked (&ss->lock))
{
--
2.39.2
next prev parent reply other threads:[~2023-04-14 19:37 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-14 19:36 [PATCH 1/5] hurd: Fix restoring reply port in sigreturn Sergey Bugaev
2023-04-14 19:36 ` [PATCH 2/5] hurd: Microoptimize sigreturn Sergey Bugaev
2023-04-17 23:23 ` Samuel Thibault
2023-04-18 9:34 ` Sergey Bugaev
2023-04-18 10:21 ` [PATCH 2/5] hurd: Microoptimize sigreturn Sergey Bugaev
2023-04-18 14:21 ` Samuel Thibault
2023-04-14 19:36 ` [PATCH 3/5] hurd: Implement sigreturn for x86_64 Sergey Bugaev
2023-04-14 19:36 ` Sergey Bugaev [this message]
2023-04-17 23:24 ` [PATCH 4/5] hurd: Simplify _S_catch_exception_raise Samuel Thibault
2023-04-14 19:37 ` [PATCH 5/5] hurd: Avoid leaking task & thread ports Sergey Bugaev
2023-04-17 23:24 ` Samuel Thibault
2023-04-17 19:00 ` [PATCH 1/5] hurd: Fix restoring reply port in sigreturn Samuel Thibault
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