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Correct examples to the latest version I had.

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This commit is contained in:
David E. O'Brien 2012-06-05 17:36:28 +00:00
parent a839e33278
commit 30a39288e4
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=236620
2 changed files with 15 additions and 9 deletions
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7
share/man/man4/filemon.4
View file

@ -127,18 +127,19 @@ open_filemon(void)
O_CREAT | O_WRONLY | O_TRUNC, DEFFILEMODE)) == -1)
err(1, "open(filemon.out)");
if (ioctl(fm_fd, FILEMON_SET_FD, &fm_log) < 0)
if (ioctl(fm_fd, FILEMON_SET_FD, &fm_log) == -1)
err(1, "Cannot set filemon log file descriptor");
/* Set up these two fd's to close on exec. */
(void)fcntl(fm_fd, F_SETFD, FD_CLOEXEC);
(void)fcntl(fm_log, F_SETFD, FD_CLOEXEC);
if ((child = fork()) == 0) {
child = getpid();
if (ioctl(fm_fd, FILEMON_SET_PID, &child) == -1)
err(1, "Cannot set filemon PID");
/* Do something here. */
return 0;
} else {
if (ioctl(fm_fd, FILEMON_SET_PID, &child) < 0)
err(1, "Cannot set filemon PID");
wait(&child);
close(fm_fd);
}

17
tools/regression/filemon/filemontest.c
View file

@ -54,22 +54,27 @@ main(void) {
if ((fm_log = mkstemp(log_name)) == -1)
err(1, "mkstemp(%s)", log_name);
if (ioctl(fm_fd, FILEMON_SET_FD, &fm_log) < 0)
if (ioctl(fm_fd, FILEMON_SET_FD, &fm_log) == -1)
err(1, "Cannot set filemon log file descriptor");
/* Set up these two fd's to close on exec. */
(void)fcntl(fm_fd, F_SETFD, FD_CLOEXEC);
(void)fcntl(fm_log, F_SETFD, FD_CLOEXEC);
if ((child = fork()) == 0) {
switch (child = fork()) {
case 0:
child = getpid();
if (ioctl(fm_fd, FILEMON_SET_PID, &child) == -1)
err(1, "Cannot set filemon PID to %d", child);
system("./test_script.sh");
return 0;
} else {
if (ioctl(fm_fd, FILEMON_SET_PID, &child) < 0)
err(1, "Cannot set filemon PID");
break;
case -1:
err(1, "Cannot fork");
default:
wait(&child);
close(fm_fd);
// printf("Results in %s\n", log_name);
break;
}
return 0;
}