123 lines
2.2 KiB
C++
123 lines
2.2 KiB
C++
/* kill.cc
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Copyright 1996, 1997, 1998, 1999, 2000, 2001 Red Hat, Inc.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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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 <time.h>
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#include <errno.h>
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#include <windows.h>
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#include <sys/cygwin.h>
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static void usage (void);
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static int __stdcall getsig (char *);
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static void __stdcall forcekill (int, int, int);
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int
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main (int argc, char **argv)
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{
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int sig = SIGTERM;
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int force = 0;
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int gotsig = 0;
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int ret = 0;
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if (argc == 1)
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usage ();
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while (*++argv && **argv == '-')
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if (strcmp (*argv + 1, "f") == 0)
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force = 1;
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else if (gotsig)
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break;
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else if (strcmp(*argv + 1, "0") != 0)
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{
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sig = getsig (*argv + 1);
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gotsig = 1;
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}
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else
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{
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argv++;
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sig = 0;
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goto sig0;
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}
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if (sig <= 0 || sig > NSIG)
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{
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fprintf (stderr, "kill: unknown signal: %s\n", argv[-1]);
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exit (1);
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}
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sig0:
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while (*argv != NULL)
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{
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char *p;
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int pid = strtol (*argv, &p, 10);
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if (*p != '\0')
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{
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fprintf (stderr, "kill: illegal pid: %s\n", *argv);
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ret = 1;
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}
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else if (kill (pid, sig) == 0)
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{
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if (force)
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forcekill (pid, sig, 1);
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}
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else if (force && sig != 0)
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forcekill (pid, sig, 0);
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else
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{
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char buf[1000];
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sprintf (buf, "kill %d", pid);
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perror (buf);
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ret = 1;
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}
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argv++;
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}
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return ret;
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}
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static void
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usage (void)
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{
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fprintf (stderr, "Usage: kill [-sigN] pid1 [pid2 ...]\n");
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exit (1);
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}
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static int
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getsig (char *in_sig)
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{
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char *sig;
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char buf[80];
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if (strncmp (in_sig, "SIG", 3) == 0)
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sig = in_sig;
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else
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{
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sprintf (buf, "SIG%s", in_sig);
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sig = buf;
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}
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return (strtosigno (sig) ?: atoi (in_sig));
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}
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static void __stdcall
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forcekill (int pid, int sig, int wait)
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{
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external_pinfo *p = (external_pinfo *) cygwin_internal (CW_GETPINFO_FULL, pid);
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if (!p)
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return;
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HANDLE h = OpenProcess (PROCESS_TERMINATE, FALSE, (DWORD) p->dwProcessId);
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if (!h)
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return;
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if (!wait || WaitForSingleObject (h, 200) != WAIT_OBJECT_0)
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TerminateProcess (h, sig << 8);
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CloseHandle (h);
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}
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