79a137495a
We can't do sem_wait in sigaction hang backtrace: [<0x2c5a6958>] arm_switchcontext+0xc/0x10 [<0x2c579eba>] nxsem_wait+0x6e/0xa8 [<0x3c9a8cb5>] pb_field_iter_find+0xffde8cb/0xd3635c15 [<0x2c58d164>] uart_tcdrain.constprop.0+0x10/0xf8 [<0x2c58d5c6>] uart_close+0x10e/0x180 [<0x2c579f38>] nxsem_wait_uninterruptible+0x44/0xb8 [<0x2c95f87a>] file_close+0x12/0x44 [<0x2c95e5a8>] close+0x80/0xb4 [<0x2c5c6396>] sigint+0x1a/0x28 [<0x2c57b1b0>] nxsig_deliver+0x54/0xb8 [<0x2c5a549a>] arm_sigdeliver+0x1a/0x44 [<0x2c579eb6>] nxsem_wait+0x6a/0xa8 [<0x2c579eb6>] nxsem_wait+0x6a/0xa8 [<0x2c579eb6>] nxsem_wait+0x6a/0xa8 [<0x2c58aa1a>] pm_lock+0x1a/0x28 [<0x2c58a656>] pm_stay+0xa/0x60 [<0x2c58bb14>] rptun_notify+0x4c/0x58 [<0x2c97b8fc>] virtqueue_kick+0x54/0x7c [<0x2c97ac82>] rpmsg_virtio_send_offchannel_nocopy+0x9a/0xcc [<0x2c58df7c>] uart_rpmsg_dmasend+0x8c/0xe0 [<0x2c5771be>] leave_critical_section+0x2e/0x54 [<0x2c58d124>] uart_write+0x11c/0x14c [<0x2c9620c6>] write+0x32/0x50 [<0x2c5c665e>] cu_main+0x2ba/0x484 [<0x2c5957be>] nxtask_startup+0x12/0x24 [<0x2c57b9d2>] nxtask_start+0x46/0x60 Signed-off-by: ligd <liguiding1@xiaomi.com>
88 lines
3.5 KiB
C
88 lines
3.5 KiB
C
/****************************************************************************
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* apps/system/cu/cu.h
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*
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* Copyright (C) 2014 sysmocom - s.f.m.c. GmbH. All rights reserved.
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* Author: Harald Welte <hwelte@sysmocom.de>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __APPS_SYSTEM_CU_CU_H
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#define __APPS_SYSTEM_CU_CU_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <semaphore.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifndef CONFIG_SYSTEM_CUTERM_DEFAULT_DEVICE
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# define CONFIG_SYSTEM_CUTERM_DEFAULT_DEVICE "/dev/ttyS0"
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#endif
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#ifndef CONFIG_SYSTEM_CUTERM_DEFAULT_BAUD
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# define CONFIG_SYSTEM_CUTERM_DEFAULT_BAUD 115200
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#endif
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* All terminal state data is packaged in a single structure to minimize
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* name conflicts with other global symbols -- a poor man's name space.
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*/
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struct cu_globals_s
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{
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int infd; /* Incoming data from serial port */
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int outfd; /* Outgoing data to serial port */
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pthread_t listener; /* Terminal listener thread */
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bool force_exit; /* Force exit */
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};
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#endif /* __APPS_SYSTEM_CU_CU_H */
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