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61 lines
1.4 KiB
C++
61 lines
1.4 KiB
C++
/*******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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This program is free software: you can redistribute it and/or modify it
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under the terms of the GNU 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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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <http://www.gnu.org/licenses/>.
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kill.cpp
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Send a signal to a process.
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*******************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#include <errno.h>
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#include <error.h>
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int usage()
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{
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printf("usage: kill [-n] pid ...\n");
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return 0;
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}
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int main(int argc, char* argv[])
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{
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if ( argc < 2 ) { return usage(); }
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int first = 1;
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int signum = SIGTERM;
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if ( argv[1][0] == '-' )
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{
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signum = atoi(argv[first++]);
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if ( argc < 3 ) { return usage(); }
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}
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int result = 0;
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for ( int i = first; i < argc; i++ )
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{
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pid_t pid = atoi(argv[i]);
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if ( kill(pid, signum) )
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{
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error(0, errno, "(%u)", pid);
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result |= 1;
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}
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}
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return result;
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}
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