nuttx/libs/libc/signal/sig_raise.c
chao an 4c8d244fae sched/getpid: replace syscall getpid/tid/ppid() to kernel version
NuttX kernel should not use the syscall functions, especially after
enabling CONFIG_SCHED_INSTRUMENTATION_SYSCALL, all system functions
will be traced to backend, which will impact system performance.

Signed-off-by: chao an <anchao@xiaomi.com>
2023-02-02 10:33:01 +08:00

48 lines
1.8 KiB
C

/****************************************************************************
* libs/libc/signal/sig_raise.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <signal.h>
#include <unistd.h>
#include <nuttx/sched.h>
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: raise
*
* Description:
* The raise() function sends the signal signo to the executing thread or
* process. If a signal handler is called, the raise() function does not
* return until after the signal handler does.
*
****************************************************************************/
int raise(int signo)
{
return tkill(_SCHED_GETTID(), signo);
}