b5d4a01821
Gregory Nutt has submitted the SGA and we can migrate the licenses to Apache. Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
/****************************************************************************
|
|
* libs/libc/signal/sig_psignal.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 <nuttx/config.h>
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <errno.h>
|
|
|
|
/* Uses streams... not available to kernel code */
|
|
|
|
#ifndef __KERNEL__
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: psignal
|
|
*
|
|
* Description:
|
|
* The psignal() functions will write a language-dependent message
|
|
* associated with a signal number to the standard error stream as
|
|
* follows:
|
|
*
|
|
* First, if message is not a null pointer and is not the empty string,
|
|
* the string pointed to by the message argument will be written,
|
|
* followed by a colon and a space.
|
|
*
|
|
* Then the signal description string associated with signum will be
|
|
* written, followed by a newline.
|
|
*
|
|
* Returned Value
|
|
* None. The errno value is never set in this implementation.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void psignal(int signum, FAR const char *message)
|
|
{
|
|
#ifdef CONFIG_FILE_STREAM
|
|
/* For now, just a brainless write to stderr (fd == 2). C buffered I/O is
|
|
* used!
|
|
*/
|
|
|
|
if (message != NULL)
|
|
{
|
|
fprintf(stderr, "%s: %s\n", message, strsignal(signum));
|
|
}
|
|
else
|
|
{
|
|
fprintf(stderr, "%s\n", strsignal(signum));
|
|
}
|
|
#else
|
|
/* No stderr! Write to whatever alternative console is available */
|
|
|
|
if (message != NULL)
|
|
{
|
|
printf("%s: %s\n", message, strsignal(signum));
|
|
}
|
|
else
|
|
{
|
|
printf("%s\n", strsignal(signum));
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: psiginfo
|
|
*
|
|
* Description:
|
|
* The psiginfo() functions will write a language-dependent message
|
|
* associated with a signal number to the standard error stream as
|
|
* follows:
|
|
*
|
|
* First, if message is not a null pointer and is not the empty string,
|
|
* the string pointed to by the message argument will be written,
|
|
* followed by a colon and a space.
|
|
*
|
|
* Then the signal description string associated with the signal
|
|
* indicated by pinfo will be written, followed by a newline.
|
|
*
|
|
* Returned Value
|
|
* None. Since no value is returned, an application wishing to check for
|
|
* error situations should set errno to 0, then call psiginfo() then check
|
|
* errno.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void psiginfo(FAR const siginfo_t *pinfo, FAR const char *message)
|
|
{
|
|
if (pinfo == NULL)
|
|
{
|
|
set_errno(EINVAL);
|
|
}
|
|
else
|
|
{
|
|
psignal(pinfo->si_signo, message);
|
|
}
|
|
}
|
|
|
|
#endif /* !__KERNEL__ */
|