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Diffstat (limited to 'extra/mysql_waitpid.c')
-rw-r--r-- | extra/mysql_waitpid.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/extra/mysql_waitpid.c b/extra/mysql_waitpid.c new file mode 100644 index 00000000000..bff1752ec21 --- /dev/null +++ b/extra/mysql_waitpid.c @@ -0,0 +1,117 @@ +/* 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_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 Tolonen\n", 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 Tolonen\n\n", progname, VER); + printf("usage: %s [options] #pid #time\n\n", progname); + printf("Description: Waits for a program, which program id is #pid, to\n"); + printf("terminate within #time seconds. If the program terminates within\n"); + 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 positive\n"); + printf("integer arguments.\n\n"); + 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 NetWare\n"); + return 0; +} + +#endif /* __NETWARE__ */ |