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In kvm_openfiles/kvm_open, mark the file descriptors as close-on-exec.

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Applications can not do this themselves, as the descriptors are hidden
behind the opaque `kvm_t' type.
This commit is contained in:
Jacques Vidrine 2002-09-11 16:41:39 +00:00
parent dde97b32ff
commit f76b74d6d7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=103224
1 changed files with 12 additions and 0 deletions
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12
lib/libkvm/kvm.c
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@ -180,6 +180,10 @@ _kvm_open(kd, uf, mf, flag, errout)
_kvm_syserr(kd, kd->program, "%s", mf);
goto failed;
}
if (fcntl(kd->pmfd, F_SETFD, FD_CLOEXEC) < 0) {
_kvm_syserr(kd, kd->program, "%s", mf);
goto failed;
}
if (S_ISCHR(st.st_mode)) {
/*
* If this is a character special device, then check that
@ -198,6 +202,10 @@ _kvm_open(kd, uf, mf, flag, errout)
_kvm_syserr(kd, kd->program, "%s", _PATH_KMEM);
goto failed;
}
if (fcntl(kd->vmfd, F_SETFD, FD_CLOEXEC) < 0) {
_kvm_syserr(kd, kd->program, "%s", _PATH_KMEM);
goto failed;
}
}
} else {
/*
@ -209,6 +217,10 @@ _kvm_open(kd, uf, mf, flag, errout)
_kvm_syserr(kd, kd->program, "%s", uf);
goto failed;
}
if (fcntl(kd->nlfd, F_SETFD, FD_CLOEXEC) < 0) {
_kvm_syserr(kd, kd->program, "%s", uf);
goto failed;
}
if (_kvm_initvtop(kd) < 0)
goto failed;
}