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From: Warner Losh <imp@bsdimp.com>
To: qemu-devel@nongnu.org
Cc: Kyle Evans <kevans@freebsd.org>,
	richard.henderson@linaro.org, f4bug@amsat.org,
	Warner Losh <imp@bsdimp.com>, Stacey Son <sson@FreeBSD.org>
Subject: [PATCH 10/14] bsd-user: Add stop_all_tasks
Date: Wed, 22 Sep 2021 00:14:34 -0600	[thread overview]
Message-ID: <20210922061438.27645-11-imp@bsdimp.com> (raw)
In-Reply-To: <20210922061438.27645-1-imp@bsdimp.com>

Similar to the same function in linux-user: this stops all the current tasks.

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
---
 bsd-user/main.c | 9 +++++++++
 bsd-user/qemu.h | 1 +
 2 files changed, 10 insertions(+)

diff --git a/bsd-user/main.c b/bsd-user/main.c
index ee84554854..cb5ea40236 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -195,6 +195,15 @@ static void usage(void)
 
 __thread CPUState *thread_cpu;
 
+void stop_all_tasks(void)
+{
+    /*
+     * We trust when using NPTL (pthreads) start_exclusive() handles thread
+     * stopping correctly.
+     */
+    start_exclusive();
+}
+
 bool qemu_cpu_is_self(CPUState *cpu)
 {
     return thread_cpu == cpu;
diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h
index 431c5cfc03..4ee57b91f0 100644
--- a/bsd-user/qemu.h
+++ b/bsd-user/qemu.h
@@ -103,6 +103,7 @@ typedef struct TaskState {
 } __attribute__((aligned(16))) TaskState;
 
 void init_task_state(TaskState *ts);
+void stop_all_tasks(void);
 extern const char *qemu_uname_release;
 
 /*
-- 
2.32.0



  parent reply	other threads:[~2021-09-22  6:31 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-22  6:14 [PATCH 00/14] bsd-user: misc cleanup for aarch64 import Warner Losh
2021-09-22  6:14 ` [PATCH 01/14] bsd-user/target_os-user.h: Remove support for FreeBSD older than 12.0 Warner Losh
2021-09-22  6:14 ` [PATCH 02/14] bsd-user/strace.list: Remove support for FreeBSD versions " Warner Losh
2021-09-23 17:57   ` Richard Henderson
2021-09-22  6:14 ` [PATCH 03/14] bsd-user: TARGET_RESET define is unused, remove it Warner Losh
2021-09-23 17:57   ` Richard Henderson
2021-09-25 10:30   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` [PATCH 04/14] bsd-user: export get_errno and is_error from syscall.c Warner Losh
2021-09-23 17:58   ` Richard Henderson
2021-09-25 10:33   ` Philippe Mathieu-Daudé
2021-09-26 17:14     ` Warner Losh
2021-09-22  6:14 ` [PATCH 05/14] bsd-user/errno_defs.h: Add internal error numbers Warner Losh
2021-09-23 17:59   ` Richard Henderson
2021-09-22  6:14 ` [PATCH 06/14] bsd-user: move TARGET_MC_GET_CLEAR_RET to target_os_signal.h Warner Losh
2021-09-23 18:00   ` Richard Henderson
2021-09-25 10:35   ` Philippe Mathieu-Daudé
2021-09-26 17:16     ` Warner Losh
2021-09-22  6:14 ` [PATCH 07/14] bsd-user/target_os_elf.h: Remove fallback ELF_HWCAP and reorder Warner Losh
2021-09-23 18:01   ` Richard Henderson
2021-09-25 10:36   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` [PATCH 08/14] bsd-user/target_os_elf: If ELF_HWCAP2 is defined, publish it Warner Losh
2021-09-23 18:01   ` Richard Henderson
2021-09-25 10:37   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` [PATCH 09/14] bsd-user: Remove used from TaskState Warner Losh
2021-09-23 18:02   ` Richard Henderson
2021-09-25 10:38   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` Warner Losh [this message]
2021-09-23 18:04   ` [PATCH 10/14] bsd-user: Add stop_all_tasks Richard Henderson
2021-09-22  6:14 ` [PATCH 11/14] bsd-user/sysarch: Move to using do_freebsd_arch_sysarch interface Warner Losh
2021-09-23 18:07   ` Richard Henderson
2021-09-24 15:25     ` Warner Losh
2021-09-22  6:14 ` [PATCH 12/14] bsd-user/sysarch: Provide a per-arch framework for sysarch syscall Warner Losh
2021-09-23 18:08   ` Richard Henderson
2021-09-25 10:46   ` Philippe Mathieu-Daudé
2021-09-26 17:21     ` Warner Losh
2021-09-22  6:14 ` [PATCH 13/14] bsd-user: Rename sigqueue to qemu_sigqueue Warner Losh
2021-09-23 18:09   ` Richard Henderson
2021-09-25 10:46   ` Philippe Mathieu-Daudé
2021-09-22  6:14 ` [PATCH 14/14] bsd-user/signal: Create a dummy signal queueing function Warner Losh
2021-09-23 18:13   ` Richard Henderson
2021-09-24 20:11     ` Warner Losh
2021-09-24 20:30       ` Kyle Evans
2021-09-24 23:51       ` Richard Henderson
2021-09-26 18:14     ` Warner Losh
2021-09-26 18:34       ` Philippe Mathieu-Daudé
2021-09-26 19:00         ` Warner Losh
2021-09-26 19:13           ` Philippe Mathieu-Daudé
2021-09-25 10:50   ` Philippe Mathieu-Daudé
2021-09-25 14:53     ` Warner Losh
2021-09-26  3:06       ` Warner Losh

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