mysql_waitpid.c
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:3k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program 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 General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- /* Wait until a program dies */
- #ifndef __NETWARE__
- #include <my_global.h>
- #include <m_string.h>
- #include <my_sys.h>
- #include <my_getopt.h>
- #include <signal.h>
- #include <errno.h>
- static const char *VER= "1.1";
- static char *progname;
- static my_bool verbose;
- void usage(void);
- static struct my_option my_long_options[] =
- {
- {"help", '?', "Display this help and exit.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0,
- 0, 0, 0, 0, 0},
- {"help", 'I', "Synonym for -?.", 0, 0, 0, GET_NO_ARG, NO_ARG, 0,
- 0, 0, 0, 0, 0},
- {"verbose", 'v',
- "Be more verbose. Give a warning, if kill can't handle signal 0.",
- (gptr*) &verbose, (gptr*) &verbose, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
- {"version", 'V', "Print version information and exit.", 0, 0, 0,
- GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
- { 0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
- };
- static my_bool
- get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
- char *argument __attribute__((unused)))
- {
- switch(optid) {
- case 'V':
- printf("%s version %s by Jani Tolonenn", progname, VER);
- exit(-1);
- case 'I':
- case '?':
- usage();
- }
- return 0;
- }
-
- int main(int argc, char *argv[])
- {
- int pid= 0, t= 0, sig= 0;
- progname= argv[0];
- if (handle_options(&argc, &argv, my_long_options, get_one_option))
- exit(-1);
- if (!argv[0] || !argv[1] || (pid= atoi(argv[0])) <= 0 ||
- (t= atoi(argv[1])) <= 0)
- usage();
- for (; t > 0; t--)
- {
- if (kill((pid_t) pid, sig))
- {
- if (errno == EINVAL)
- {
- if (verbose)
- printf("WARNING: kill couldn't handle signal 0, using signal 1.n");
- sig= 1;
- t++;
- continue;
- }
- return 0;
- }
- sleep(1);
- }
- return 1;
- }
- void usage(void)
- {
- printf("%s version %s by Jani Tolonennn", progname, VER);
- printf("usage: %s [options] #pid #timenn", progname);
- printf("Description: Waits for a program, which program id is #pid, ton");
- printf("terminate within #time seconds. If the program terminates withinn");
- printf("this time, or if the #pid no longer exists, value 0 is returned.n");
- printf("Otherwise 1 is returned. Both #pid and #time must be positiven");
- printf("integer arguments.nn");
- printf("Options:n");
- my_print_help(my_long_options);
- exit(-1);
- }
- #else
- #include <stdio.h>
- main()
- {
- fprintf(stderr,"This tool has not been ported to NetWaren");
- return 0;
- }
- #endif /* __NETWARE__ */