1 /* 2 * nghttp2 - HTTP/2 C Library 3 * 4 * Copyright (c) 2015 Tatsuhiro Tsujikawa 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining 7 * a copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sublicense, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be 15 * included in all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 20 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE 21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION 22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION 23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24 */ 25 #ifndef SHRPX_SIGNAL_H 26 #define SHRPX_SIGNAL_H 27 28 #include "shrpx.h" 29 30 #include <signal.h> 31 32 namespace shrpx { 33 34 constexpr int REOPEN_LOG_SIGNAL = SIGUSR1; 35 constexpr int EXEC_BINARY_SIGNAL = SIGUSR2; 36 constexpr int GRACEFUL_SHUTDOWN_SIGNAL = SIGQUIT; 37 constexpr int RELOAD_SIGNAL = SIGHUP; 38 39 // Blocks all signals. The previous signal mask is stored into 40 // |oldset| if it is not nullptr. This function returns 0 if it 41 // succeeds, or -1. The errno will indicate the error. 42 int shrpx_signal_block_all(sigset_t *oldset); 43 44 // Unblocks all signals. This function returns 0 if it succeeds, or 45 // -1. The errno will indicate the error. 46 int shrpx_signal_unblock_all(); 47 48 // Sets signal mask |set|. This function returns 0 if it succeeds, or 49 // -1. The errno will indicate the error. 50 int shrpx_signal_set(sigset_t *set); 51 52 int shrpx_signal_set_main_proc_ign_handler(); 53 int shrpx_signal_unset_main_proc_ign_handler(); 54 55 int shrpx_signal_set_worker_proc_ign_handler(); 56 int shrpx_signal_unset_worker_proc_ign_handler(); 57 58 } // namespace shrpx 59 60 #endif // SHRPX_SIGNAL_H 61