nortti
/
sortix-mirror
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Split libmaxsi signal.cpp into multiple files.

This commit is contained in:
Jonas 'Sortie' Termansen 2012-09-28 22:50:31 +02:00
parent 8290f8979c
commit 9306c8f645
7 changed files with 223 additions and 103 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
libmaxsi/Makefile
View File

@ -162,6 +162,7 @@ init.o \
ioleast.o \
isatty.o \
kernelinfo.o \
kill.o \
localeconv.o \
lseek.o \
memstat.o \
@ -172,6 +173,7 @@ open.o \
pipe.o \
print.o \
putc.o \
raise.o \
rand.o \
readdirents.o \
read.o \
@ -182,6 +184,9 @@ setjmp.o \
setlocale.o \
settermmode.o \
sfork.o \
SIG_DFL.o \
SIG_ERR.o \
SIG_IGN.o \
signal.o \
sleep.o \
stat.o \

63
libmaxsi/SIG_DFL.cpp Normal file
View File

@ -0,0 +1,63 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
This file is part of LibMaxsi.
LibMaxsi is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License
along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
SIG_DFL.cpp
Default signal handler.
*******************************************************************************/
#include <signal.h>
#include <stdlib.h>
static void Core(int signum)
{
exit(128 + signum);
}
extern "C" void SIG_DFL(int signum)
{
if ( signum == SIGHUP ) { exit(128 + signum); } else
if ( signum == SIGINT ) { exit(128 + signum); } else
if ( signum == SIGQUIT ) { Core(signum); } else
if ( signum == SIGTRAP ) { Core(signum); } else
if ( signum == SIGABRT ) { Core(signum); } else
if ( signum == SIGEMT ) { Core(signum); } else
if ( signum == SIGFPE ) { Core(signum); } else
if ( signum == SIGKILL ) { exit(128 + signum); } else
if ( signum == SIGBUS ) { Core(signum); } else
if ( signum == SIGSEGV ) { Core(signum); } else
if ( signum == SIGSYS ) { Core(signum); } else
if ( signum == SIGPIPE ) { exit(128 + signum); } else
if ( signum == SIGALRM ) { exit(128 + signum); } else
if ( signum == SIGTERM ) { exit(128 + signum); } else
if ( signum == SIGUSR1 ) { exit(128 + signum); } else
if ( signum == SIGUSR2 ) { exit(128 + signum); } else
if ( signum == SIGCHLD ) { /* Ignore this signal. */ } else
if ( signum == SIGPWR ) { /* Ignore this signal. */ } else
if ( signum == SIGWINCH ) { /* Ignore this signal. */ } else
if ( signum == SIGURG ) { /* Ignore this signal. */ } else
if ( signum == SIGCONT ) { /* Ignore this signal. */ } else
if ( signum == SIGVTALRM ) { /* Ignore this signal. */ } else
if ( signum == SIGXCPU ) { Core(signum); } else
if ( signum == SIGXFSZ ) { Core(signum); } else
if ( signum == SIGWAITING ) { /* Ignore this signal. */ } else
if ( signum == SIGLWP ) { /* Ignore this signal. */ } else
if ( signum == SIGAIO ) { /* Ignore this signal. */ } else
{ /* Ignore this signal. */ }
}

31
libmaxsi/SIG_ERR.cpp Normal file
View File

@ -0,0 +1,31 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
This file is part of LibMaxsi.
LibMaxsi is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License
along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
SIG_ERR.cpp
Abort on signal.
*******************************************************************************/
#include <signal.h>
#include <stdlib.h>
extern "C" void SIG_ERR(int /*signum*/)
{
abort();
}

31
libmaxsi/SIG_IGN.cpp Normal file
View File

@ -0,0 +1,31 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
This file is part of LibMaxsi.
LibMaxsi is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License
along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
SIG_IGN.cpp
Ignore signal.
*******************************************************************************/
#include <signal.h>
#include <stdlib.h>
extern "C" void SIG_IGN(int /*signum*/)
{
}

34
libmaxsi/kill.cpp Normal file
View File

@ -0,0 +1,34 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
This file is part of LibMaxsi.
LibMaxsi is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License
along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
kill.cpp
Send signal to process.
*******************************************************************************/
#include <sys/types.h>
#include <sys/syscall.h>
#include <signal.h>
DEFN_SYSCALL2(int, sys_kill, SYSCALL_KILL, pid_t, int);
extern "C" int kill(pid_t pid, int signum)
{
return sys_kill(pid, signum);
}

34
libmaxsi/raise.cpp Normal file
View File

@ -0,0 +1,34 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
This file is part of LibMaxsi.
LibMaxsi is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
details.
You should have received a copy of the GNU Lesser General Public License
along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
raise.cpp
Send signal to current process.
*******************************************************************************/
#include <sys/types.h>
#include <sys/syscall.h>
#include <signal.h>
DEFN_SYSCALL1(int, sys_raise, SYSCALL_RAISE, int);
extern "C" int raise(int signum)
{
return sys_raise(signum);
}

128
libmaxsi/signal.cpp
View File

@ -22,111 +22,33 @@
*******************************************************************************/
#include <sys/types.h>
#include <sys/syscall.h>
#include <stdlib.h>
#include <unistd.h>
#include <signal.h>
#include <string.h>
namespace Maxsi
const int MAX_SIGNALS = 128;
sighandler_t handlers[MAX_SIGNALS];
extern "C" void SignalHandlerAssembly(int signum);
extern "C" void SignalHandler(int signum)
{
namespace Signal
{
typedef void (*Handler)(int);
void Core(int signum)
{
exit(128 + signum);
}
extern "C" void SIG_DFL(int signum)
{
if ( signum == SIGHUP ) { exit(128 + signum); } else
if ( signum == SIGINT ) { exit(128 + signum); } else
if ( signum == SIGQUIT ) { Core(signum); } else
if ( signum == SIGTRAP ) { Core(signum); } else
if ( signum == SIGABRT ) { Core(signum); } else
if ( signum == SIGEMT ) { Core(signum); } else
if ( signum == SIGFPE ) { Core(signum); } else
if ( signum == SIGKILL ) { exit(128 + signum); } else
if ( signum == SIGBUS ) { Core(signum); } else
if ( signum == SIGSEGV ) { Core(signum); } else
if ( signum == SIGSYS ) { Core(signum); } else
if ( signum == SIGPIPE ) { exit(128 + signum); } else
if ( signum == SIGALRM ) { exit(128 + signum); } else
if ( signum == SIGTERM ) { exit(128 + signum); } else
if ( signum == SIGUSR1 ) { exit(128 + signum); } else
if ( signum == SIGUSR2 ) { exit(128 + signum); } else
if ( signum == SIGCHLD ) { /* Ignore this signal. */ } else
if ( signum == SIGPWR ) { /* Ignore this signal. */ } else
if ( signum == SIGWINCH ) { /* Ignore this signal. */ } else
if ( signum == SIGURG ) { /* Ignore this signal. */ } else
if ( signum == SIGCONT ) { /* Ignore this signal. */ } else
if ( signum == SIGVTALRM ) { /* Ignore this signal. */ } else
if ( signum == SIGXCPU ) { Core(signum); } else
if ( signum == SIGXFSZ ) { Core(signum); } else
if ( signum == SIGWAITING ) { /* Ignore this signal. */ } else
if ( signum == SIGLWP ) { /* Ignore this signal. */ } else
if ( signum == SIGAIO ) { /* Ignore this signal. */ } else
{ /* Ignore this signal. */ }
}
extern "C" void SIG_IGN(int /*signum*/)
{
}
extern "C" void SIG_ERR(int /*signum*/)
{
abort();
}
const int MAX_SIGNALS = 128;
sighandler_t handlers[MAX_SIGNALS];
extern "C" void SignalHandlerAssembly(int signum);
extern "C" void SignalHandler(int signum)
{
if ( 0 <= signum && signum < (int) MAX_SIGNALS )
{
handlers[signum](signum);
}
}
DEFN_SYSCALL1_VOID(SysRegisterSignalHandler, SYSCALL_REGISTER_SIGNAL_HANDLER, sighandler_t);
DEFN_SYSCALL2(int, SysKill, SYSCALL_KILL, pid_t, int);
DEFN_SYSCALL1(int, SysRaise, SYSCALL_RAISE, int);
extern "C" void init_signal()
{
for ( int i = 0; i < MAX_SIGNALS; i++ )
{
handlers[i] = SIG_DFL;
}
// Tell the kernel which function we want called upon signals.
SysRegisterSignalHandler(&SignalHandlerAssembly);
}
Handler RegisterHandler(int signum, Handler handler)
{
if ( signum < 0 || MAX_SIGNALS <= signum ) { return SIG_ERR; }
return handlers[signum] = handler;
}
extern "C" sighandler_t signal(int signum, sighandler_t handler)
{
return RegisterHandler(signum, handler);
}
extern "C" int kill(pid_t pid, int signum)
{
return SysKill(pid, signum);
}
extern "C" int raise(int signum)
{
return SysRaise(signum);
}
}
if ( 0 <= signum && signum < (int) MAX_SIGNALS )
handlers[signum](signum);
}
DEFN_SYSCALL1_VOID(sys_register_signal_handler, SYSCALL_REGISTER_SIGNAL_HANDLER, sighandler_t);
extern "C" void init_signal()
{
for ( int i = 0; i < MAX_SIGNALS; i++ )
handlers[i] = SIG_DFL;
// Tell the kernel which function we want called upon signals.
sys_register_signal_handler(&SignalHandlerAssembly);
}
extern "C" sighandler_t signal(int signum, sighandler_t handler)
{
if ( signum < 0 || MAX_SIGNALS <= signum ) { return SIG_ERR; }
return handlers[signum] = handler;
}