pmc: silence scan-build warnings
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parent
4f9b4ac4c2
commit
5244f3c6ae
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=334353
@ -306,21 +306,21 @@ static struct option longopts[] = {
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static int
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static int
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pmc_stat_internal(int argc, char **argv, int system_mode)
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pmc_stat_internal(int argc, char **argv, int system_mode)
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{
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{
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const char *event;
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char *event, *r;
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struct sigaction sa;
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struct sigaction sa;
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struct kevent kev;
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struct kevent kev;
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struct rusage ru;
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struct rusage ru;
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struct winsize ws;
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struct winsize ws;
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struct pmcstat_ev *ev;
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struct pmcstat_ev *ev;
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int c, option, runstate, do_print, do_read;
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int c, option, runstate;
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int waitstatus, ru_valid;
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int waitstatus, ru_valid;
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ru_valid = do_print = do_read = 0;
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ru_valid = 0;
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event = NULL;
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r = event = NULL;
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while ((option = getopt_long(argc, argv, "j:", longopts, NULL)) != -1) {
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while ((option = getopt_long(argc, argv, "j:", longopts, NULL)) != -1) {
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switch (option) {
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switch (option) {
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case 'j':
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case 'j':
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event = strdup(optarg);
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r = event = strdup(optarg);
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break;
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break;
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case '?':
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case '?':
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default:
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default:
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@ -333,7 +333,8 @@ pmc_stat_internal(int argc, char **argv, int system_mode)
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usage();
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usage();
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pmc_args.pa_flags |= FLAG_HAS_COMMANDLINE;
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pmc_args.pa_flags |= FLAG_HAS_COMMANDLINE;
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pmc_stat_setup_stat(system_mode, event);
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pmc_stat_setup_stat(system_mode, event);
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free(r);
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bzero(&ru, sizeof(ru));
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EV_SET(&kev, SIGINT, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
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EV_SET(&kev, SIGINT, EVFILT_SIGNAL, EV_ADD, 0, 0, NULL);
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if (kevent(pmc_kq, &kev, 1, NULL, 0, NULL) < 0)
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if (kevent(pmc_kq, &kev, 1, NULL, 0, NULL) < 0)
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err(EX_OSERR, "ERROR: Cannot register kevent for SIGINT");
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err(EX_OSERR, "ERROR: Cannot register kevent for SIGINT");
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@ -394,7 +395,6 @@ pmc_stat_internal(int argc, char **argv, int system_mode)
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* are killed by a SIGINT or we reached the time duration.
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* are killed by a SIGINT or we reached the time duration.
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*/
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*/
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runstate = PMCSTAT_RUNNING;
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runstate = PMCSTAT_RUNNING;
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do_print = do_read = 0;
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do {
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do {
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if ((c = kevent(pmc_kq, NULL, 0, &kev, 1, NULL)) <= 0) {
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if ((c = kevent(pmc_kq, NULL, 0, &kev, 1, NULL)) <= 0) {
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if (errno != EINTR)
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if (errno != EINTR)
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@ -411,11 +411,9 @@ pmc_stat_internal(int argc, char **argv, int system_mode)
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getrusage(RUSAGE_CHILDREN, &ru);
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getrusage(RUSAGE_CHILDREN, &ru);
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ru_valid = 1;
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ru_valid = 1;
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}
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}
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do_print = 1;
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break;
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break;
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case EVFILT_READ: /* log file data is present */
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case EVFILT_READ: /* log file data is present */
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do_read = 0;
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break;
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break;
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case EVFILT_SIGNAL:
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case EVFILT_SIGNAL:
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@ -439,7 +437,6 @@ pmc_stat_internal(int argc, char **argv, int system_mode)
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ru_valid = 1;
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ru_valid = 1;
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}
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}
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runstate = pmcstat_close_log(&pmc_args);
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runstate = pmcstat_close_log(&pmc_args);
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do_print = 1; /* print PMCs at exit */
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} else if (kev.ident == SIGINT) {
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} else if (kev.ident == SIGINT) {
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/* Kill the child process if we started it */
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/* Kill the child process if we started it */
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if (pmc_args.pa_flags & FLAG_HAS_COMMANDLINE)
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if (pmc_args.pa_flags & FLAG_HAS_COMMANDLINE)
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