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Release 6.1.7

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This commit is contained in:
Bo Chen
2021-06-02 06:45:05 +00:00
parent d759e6bb9e
commit f5056f4923
1269 changed files with 57325 additions and 55178 deletions
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103
utility/rtos_compatibility_layers/posix/px_sig_signal.c Normal file
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** POSIX wrapper for THREADX */
/** */
/** */
/** */
/**************************************************************************/
/**************************************************************************/
/* Include necessary system files. */
#include "tx_api.h" /* Threadx API */
#include "pthread.h" /* Posix API */
#include "px_int.h" /* Posix helper functions */
#include "tx_thread.h" /* Internal ThreadX thread management. */
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* signal PORTABLE C */
/* 6.x */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function assigns a function ("signal handler") pointed to by */
/* func to be invoked when signal signo occurs. */
/* */
/* INPUT */
/* */
/* set Pointer to set of signals */
/* */
/* OUTPUT */
/* */
/* OK If successful */
/* ERROR If error occurs */
/* */
/* CALLS */
/* */
/* posix_in_thread_context */
/* posix_internal_error */
/* posix_set_pthread_errno */
/* tx_thread_identify */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* xx-xx-xxxx William E. Lamie Initial Version 6.x */
/* */
/**************************************************************************/
int signal(int signo, void (*func)(int))
{
POSIX_TCB *current_thread;
/* Make sure we're calling this routine from a thread context. */
if (!posix_in_thread_context())
{
/* return POSIX error. */
posix_internal_error(444);
return(444);
}
/* Determine if the desired signal is valid. */
if ((signo < 0) || (signo > SIGRTMAX))
{
/* Return an error. */
posix_set_pthread_errno(EINVAL);
return(ERROR);
}
/* Now pickup the current thread pointer. */
current_thread = (POSIX_TCB *) tx_thread_identify();
/* Now index into the array of signal handlers and insert this one. */
current_thread -> signals.signal_func[signo] = func;
/* Return success! */
return(OK);
}