Move procctl to the Attic, it's been copied to usr.sbin/procctl as

suggested by bde via sef.
This commit is contained in:
Peter Wemm 1997-12-07 02:26:23 +00:00
parent 8873fd5457
commit 4b4f0fcd24
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=31589
4 changed files with 2 additions and 91 deletions

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@ -1,8 +1,8 @@
# From: @(#)Makefile 8.1 (Berkeley) 5/31/93
# $Id: Makefile,v 1.7 1997/03/06 15:30:53 joerg Exp $
# $Id: Makefile,v 1.8 1997/12/06 04:19:41 sef Exp $
SUBDIR= cat chio chmod cp csh date dd df domainname echo ed expr hostname \
kill ln ls mkdir mv pax procctl ps pwd rcp rm rmail rmdir sh sleep \
kill ln ls mkdir mv pax ps pwd rcp rm rmail rmdir sh sleep \
stty sync test
.include <bsd.subdir.mk>

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PROG= procctl
LDFLAGS += -static
.include <bsd.prog.mk>

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.Dd Nov 23, 1997
.Dt PROCCTL 1
.Os FreeBSD
.Sh NAME
.Nm \&procctl
.Nd clear procfs event flags
.Sh Synopsis
.Nm \&procctl
.Ar command
.Ar [...]
.Sh DESCRIPTION
.Nm \&procctl
clears the
.Xr procfs 5
event mask used by
.Xr truss 1 .
This can be used in the event that a process is left stranded, since
the
.Xr procfs 5
events result in a non-killable process.
The options are a list of process ID's;
.Nm \&procctl
goes through the list and clears the event masks for each specified process.
.Xr truss 1 ,
.Xr procfs 5
.Sh HISTORY
The
.Nm procctl
command was written by Sean Eric Fagan for FreeBSD.

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/*
* procctl -- clear the event mask, and continue, any specified processes.
* This is largely an example of how to use the procfs interface; however,
* for now, it is also sometimes necessary, as a stopped process will not
* otherwise continue. (This will be fixed in a later version of the
* procfs code, almost certainly; however, this program will still be useful
* for some annoying circumstances.)
*/
/*
* $Id$
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <err.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <sys/pioctl.h>
main(int ac, char **av) {
int fd;
int i;
unsigned int mask;
char **command;
struct procfs_status pfs;
for (i = 1; i < ac; i++) {
char buf[32];
sprintf(buf, "/proc/%s/mem", av[i]);
fd = open(buf, O_RDWR);
if (fd == -1) {
if (errno == ENOENT)
continue;
fprintf(stderr, "%s: cannot open pid %s: %s\n",
av[0], av[i], strerror(errno));
continue;
}
mask = ~0;
if (ioctl(fd, PIOCBIC, &mask) == -1) {
fprintf(stderr, "%s: cannot clear process %s's event mask: %s\n",
av[0], av[i], strerror(errno));
}
mask = 0;
if (ioctl(fd, PIOCCONT, &mask) == -1 && errno != EINVAL) {
fprintf(stderr, "%s: cannot continue process %s: %s\n",
av[0], av[i], strerror(errno));
}
close(fd);
}
return 0;
}