On Mon, Apr 30, 2012 at 12:28:26PM -0400, Stefan Berger wrote:
Addressing the following reports:
None of those reports mention daemon/libvirtd.c and yet
daemon/libvirtd.c | 24 +++++++++++++++++++-----
Index: libvirt-acl/daemon/libvirtd.c =================================================================== --- libvirt-acl.orig/daemon/libvirtd.c +++ libvirt-acl/daemon/libvirtd.c @@ -141,6 +141,7 @@ static int daemonForkIntoBackground(cons int stdinfd = -1; int stdoutfd = -1; int nextpid; + int tmpfd;
VIR_FORCE_CLOSE(statuspipe[0]);
@@ -151,16 +152,16 @@ static int daemonForkIntoBackground(cons if (dup2(stdinfd, STDIN_FILENO) != STDIN_FILENO) goto cleanup; if (dup2(stdoutfd, STDOUT_FILENO) != STDOUT_FILENO) - goto cleanup; + goto cleanup_close_stdin_fileno; if (dup2(stdoutfd, STDERR_FILENO) != STDERR_FILENO) - goto cleanup; + goto cleanup_close_stdout_fileno; if (stdinfd > STDERR_FILENO && VIR_CLOSE(stdinfd) < 0) - goto cleanup; + goto cleanup_close_stderr_fileno; if (stdoutfd > STDERR_FILENO && VIR_CLOSE(stdoutfd) < 0) - goto cleanup; + goto cleanup_close_stderr_fileno;
if (setsid() < 0) - goto cleanup; + goto cleanup_close_stderr_fileno;
nextpid = fork(); switch (nextpid) { @@ -172,6 +173,19 @@ static int daemonForkIntoBackground(cons _exit(EXIT_SUCCESS); }
+ + cleanup_close_stderr_fileno: + tmpfd = STDERR_FILENO; + VIR_FORCE_CLOSE(tmpfd); + + cleanup_close_stdout_fileno: + tmpfd = STDOUT_FILENO; + VIR_FORCE_CLOSE(tmpfd); + + cleanup_close_stdin_fileno: + tmpfd = STDIN_FILENO; + VIR_FORCE_CLOSE(tmpfd); + cleanup: VIR_FORCE_CLOSE(stdoutfd); VIR_FORCE_CLOSE(stdinfd);
This really seems like overkill & ugly. There is no real world leak here since this process will immediately exit. Daniel -- |: http://berrange.com -o- http://www.flickr.com/photos/dberrange/ :| |: http://libvirt.org -o- http://virt-manager.org :| |: http://autobuild.org -o- http://search.cpan.org/~danberr/ :| |: http://entangle-photo.org -o- http://live.gnome.org/gtk-vnc :|