Split libmaxsi signal.cpp into multiple files.
This commit is contained in:
parent
8290f8979c
commit
9306c8f645
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@ -162,6 +162,7 @@ init.o \
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ioleast.o \
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ioleast.o \
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isatty.o \
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isatty.o \
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kernelinfo.o \
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kernelinfo.o \
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kill.o \
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localeconv.o \
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localeconv.o \
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lseek.o \
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lseek.o \
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memstat.o \
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memstat.o \
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@ -172,6 +173,7 @@ open.o \
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pipe.o \
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pipe.o \
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print.o \
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print.o \
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putc.o \
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putc.o \
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raise.o \
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rand.o \
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rand.o \
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readdirents.o \
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readdirents.o \
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read.o \
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read.o \
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@ -182,6 +184,9 @@ setjmp.o \
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setlocale.o \
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setlocale.o \
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settermmode.o \
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settermmode.o \
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sfork.o \
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sfork.o \
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SIG_DFL.o \
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SIG_ERR.o \
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SIG_IGN.o \
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signal.o \
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signal.o \
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sleep.o \
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sleep.o \
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stat.o \
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stat.o \
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@ -0,0 +1,63 @@
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of LibMaxsi.
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LibMaxsi is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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details.
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You should have received a copy of the GNU Lesser General Public License
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along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
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SIG_DFL.cpp
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Default signal handler.
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*******************************************************************************/
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#include <signal.h>
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#include <stdlib.h>
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static void Core(int signum)
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{
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exit(128 + signum);
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}
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extern "C" void SIG_DFL(int signum)
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{
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if ( signum == SIGHUP ) { exit(128 + signum); } else
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if ( signum == SIGINT ) { exit(128 + signum); } else
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if ( signum == SIGQUIT ) { Core(signum); } else
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if ( signum == SIGTRAP ) { Core(signum); } else
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if ( signum == SIGABRT ) { Core(signum); } else
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if ( signum == SIGEMT ) { Core(signum); } else
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if ( signum == SIGFPE ) { Core(signum); } else
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if ( signum == SIGKILL ) { exit(128 + signum); } else
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if ( signum == SIGBUS ) { Core(signum); } else
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if ( signum == SIGSEGV ) { Core(signum); } else
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if ( signum == SIGSYS ) { Core(signum); } else
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if ( signum == SIGPIPE ) { exit(128 + signum); } else
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if ( signum == SIGALRM ) { exit(128 + signum); } else
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if ( signum == SIGTERM ) { exit(128 + signum); } else
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if ( signum == SIGUSR1 ) { exit(128 + signum); } else
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if ( signum == SIGUSR2 ) { exit(128 + signum); } else
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if ( signum == SIGCHLD ) { /* Ignore this signal. */ } else
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if ( signum == SIGPWR ) { /* Ignore this signal. */ } else
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if ( signum == SIGWINCH ) { /* Ignore this signal. */ } else
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if ( signum == SIGURG ) { /* Ignore this signal. */ } else
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if ( signum == SIGCONT ) { /* Ignore this signal. */ } else
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if ( signum == SIGVTALRM ) { /* Ignore this signal. */ } else
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if ( signum == SIGXCPU ) { Core(signum); } else
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if ( signum == SIGXFSZ ) { Core(signum); } else
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if ( signum == SIGWAITING ) { /* Ignore this signal. */ } else
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if ( signum == SIGLWP ) { /* Ignore this signal. */ } else
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if ( signum == SIGAIO ) { /* Ignore this signal. */ } else
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{ /* Ignore this signal. */ }
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}
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@ -0,0 +1,31 @@
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of LibMaxsi.
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LibMaxsi is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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details.
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You should have received a copy of the GNU Lesser General Public License
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along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
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SIG_ERR.cpp
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Abort on signal.
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*******************************************************************************/
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#include <signal.h>
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#include <stdlib.h>
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extern "C" void SIG_ERR(int /*signum*/)
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{
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abort();
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}
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@ -0,0 +1,31 @@
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of LibMaxsi.
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LibMaxsi is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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details.
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You should have received a copy of the GNU Lesser General Public License
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along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
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SIG_IGN.cpp
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Ignore signal.
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*******************************************************************************/
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#include <signal.h>
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#include <stdlib.h>
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extern "C" void SIG_IGN(int /*signum*/)
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{
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}
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@ -0,0 +1,34 @@
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of LibMaxsi.
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LibMaxsi is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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details.
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You should have received a copy of the GNU Lesser General Public License
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along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
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kill.cpp
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Send signal to process.
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*******************************************************************************/
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#include <sys/types.h>
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#include <sys/syscall.h>
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#include <signal.h>
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DEFN_SYSCALL2(int, sys_kill, SYSCALL_KILL, pid_t, int);
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extern "C" int kill(pid_t pid, int signum)
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{
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return sys_kill(pid, signum);
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}
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@ -0,0 +1,34 @@
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/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
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This file is part of LibMaxsi.
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LibMaxsi is free software: you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option)
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any later version.
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LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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details.
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You should have received a copy of the GNU Lesser General Public License
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along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
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raise.cpp
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Send signal to current process.
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*******************************************************************************/
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#include <sys/types.h>
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#include <sys/syscall.h>
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#include <signal.h>
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DEFN_SYSCALL1(int, sys_raise, SYSCALL_RAISE, int);
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extern "C" int raise(int signum)
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{
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return sys_raise(signum);
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}
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@ -22,111 +22,33 @@
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*******************************************************************************/
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*******************************************************************************/
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#include <sys/types.h>
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#include <sys/syscall.h>
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#include <sys/syscall.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <signal.h>
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#include <signal.h>
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#include <string.h>
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namespace Maxsi
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const int MAX_SIGNALS = 128;
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sighandler_t handlers[MAX_SIGNALS];
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extern "C" void SignalHandlerAssembly(int signum);
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extern "C" void SignalHandler(int signum)
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{
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{
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namespace Signal
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{
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typedef void (*Handler)(int);
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void Core(int signum)
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{
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exit(128 + signum);
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}
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extern "C" void SIG_DFL(int signum)
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{
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if ( signum == SIGHUP ) { exit(128 + signum); } else
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if ( signum == SIGINT ) { exit(128 + signum); } else
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if ( signum == SIGQUIT ) { Core(signum); } else
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if ( signum == SIGTRAP ) { Core(signum); } else
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if ( signum == SIGABRT ) { Core(signum); } else
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if ( signum == SIGEMT ) { Core(signum); } else
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if ( signum == SIGFPE ) { Core(signum); } else
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if ( signum == SIGKILL ) { exit(128 + signum); } else
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if ( signum == SIGBUS ) { Core(signum); } else
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if ( signum == SIGSEGV ) { Core(signum); } else
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if ( signum == SIGSYS ) { Core(signum); } else
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if ( signum == SIGPIPE ) { exit(128 + signum); } else
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if ( signum == SIGALRM ) { exit(128 + signum); } else
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if ( signum == SIGTERM ) { exit(128 + signum); } else
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if ( signum == SIGUSR1 ) { exit(128 + signum); } else
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if ( signum == SIGUSR2 ) { exit(128 + signum); } else
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if ( signum == SIGCHLD ) { /* Ignore this signal. */ } else
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if ( signum == SIGPWR ) { /* Ignore this signal. */ } else
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if ( signum == SIGWINCH ) { /* Ignore this signal. */ } else
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if ( signum == SIGURG ) { /* Ignore this signal. */ } else
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if ( signum == SIGCONT ) { /* Ignore this signal. */ } else
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if ( signum == SIGVTALRM ) { /* Ignore this signal. */ } else
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if ( signum == SIGXCPU ) { Core(signum); } else
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if ( signum == SIGXFSZ ) { Core(signum); } else
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if ( signum == SIGWAITING ) { /* Ignore this signal. */ } else
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if ( signum == SIGLWP ) { /* Ignore this signal. */ } else
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if ( signum == SIGAIO ) { /* Ignore this signal. */ } else
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{ /* Ignore this signal. */ }
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}
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extern "C" void SIG_IGN(int /*signum*/)
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{
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}
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extern "C" void SIG_ERR(int /*signum*/)
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{
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abort();
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}
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const int MAX_SIGNALS = 128;
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sighandler_t handlers[MAX_SIGNALS];
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extern "C" void SignalHandlerAssembly(int signum);
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extern "C" void SignalHandler(int signum)
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{
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if ( 0 <= signum && signum < (int) MAX_SIGNALS )
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if ( 0 <= signum && signum < (int) MAX_SIGNALS )
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{
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handlers[signum](signum);
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handlers[signum](signum);
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}
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}
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}
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DEFN_SYSCALL1_VOID(SysRegisterSignalHandler, SYSCALL_REGISTER_SIGNAL_HANDLER, sighandler_t);
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DEFN_SYSCALL1_VOID(sys_register_signal_handler, SYSCALL_REGISTER_SIGNAL_HANDLER, sighandler_t);
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DEFN_SYSCALL2(int, SysKill, SYSCALL_KILL, pid_t, int);
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DEFN_SYSCALL1(int, SysRaise, SYSCALL_RAISE, int);
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extern "C" void init_signal()
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extern "C" void init_signal()
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{
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{
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for ( int i = 0; i < MAX_SIGNALS; i++ )
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for ( int i = 0; i < MAX_SIGNALS; i++ )
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{
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handlers[i] = SIG_DFL;
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handlers[i] = SIG_DFL;
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}
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// Tell the kernel which function we want called upon signals.
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// Tell the kernel which function we want called upon signals.
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SysRegisterSignalHandler(&SignalHandlerAssembly);
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sys_register_signal_handler(&SignalHandlerAssembly);
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}
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}
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Handler RegisterHandler(int signum, Handler handler)
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extern "C" sighandler_t signal(int signum, sighandler_t handler)
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{
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{
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if ( signum < 0 || MAX_SIGNALS <= signum ) { return SIG_ERR; }
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if ( signum < 0 || MAX_SIGNALS <= signum ) { return SIG_ERR; }
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return handlers[signum] = handler;
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return handlers[signum] = handler;
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}
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extern "C" sighandler_t signal(int signum, sighandler_t handler)
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{
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return RegisterHandler(signum, handler);
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}
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extern "C" int kill(pid_t pid, int signum)
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{
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return SysKill(pid, signum);
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}
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extern "C" int raise(int signum)
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{
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return SysRaise(signum);
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}
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}
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}
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}
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