mirror of
https://github.com/kingk85/uFTP.git
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82 lines
2.6 KiB
C
Executable File
82 lines
2.6 KiB
C
Executable File
/*
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* The MIT License
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*
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* Copyright 2018 Ugo Cirmignani
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdio.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../ftpServer.h"
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static void ignore_sigpipe(void);
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/* Catch Signal Handler functio */
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void signal_callback_handler(int signum)
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{
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printf("Caught signal SIGPIPE %d\n",signum);
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}
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static void ignore_sigpipe(void)
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{
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// ignore SIGPIPE (or else it will bring our program down if the client
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// closes its socket).
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// NB: if running under gdb, you might need to issue this gdb command:
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// handle SIGPIPE nostop noprint pass
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// because, by default, gdb will stop our program execution (which we
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// might not want).
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struct sigaction sa;
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = SIG_IGN;
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if (sigemptyset(&sa.sa_mask) < 0 || sigaction(SIGPIPE, &sa, 0) < 0) {
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perror("Could not ignore the SIGPIPE signal");
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exit(0);
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}
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}
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void onUftpClose(int sig)
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{
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printf("\nuFTP exit() sig %d\n", sig);
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deallocateMemory();
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exit(0);
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}
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void signalHandlerInstall(void)
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{
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signal(SIGINT,onUftpClose);
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signal(SIGUSR2,SIG_IGN);
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signal(SIGPIPE,SIG_IGN);
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signal(SIGALRM,SIG_IGN);
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signal(SIGTSTP,SIG_IGN);
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signal(SIGTTIN,SIG_IGN);
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signal(SIGTTOU,SIG_IGN);
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signal(SIGURG,SIG_IGN);
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signal(SIGXCPU,SIG_IGN);
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signal(SIGXFSZ,SIG_IGN);
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signal(SIGVTALRM,SIG_IGN);
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signal(SIGPROF,SIG_IGN);
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signal(SIGIO,SIG_IGN);
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signal(SIGCHLD,SIG_IGN);
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} |