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Don't leak file descriptors

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We're leaking file descriptors to child processes. Set FD_CLOEXEC on file
descriptors that don't need to be passed to children to stop this misbehaviour.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Kevin Wolf 2009-12-02 12:24:42 +01:00 • committed by Anthony Liguori
parent 12c09b8ce2
commit 40ff6d7e8d
20 changed files with 178 additions and 34 deletions
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6
migration-unix.c
View file

@ -104,7 +104,7 @@ MigrationState *unix_start_outgoing_migration(Monitor *mon,
s->state = MIG_STATE_ACTIVE;
s->mon = NULL;
s->bandwidth_limit = bandwidth_limit;
s->fd = socket(PF_UNIX, SOCK_STREAM, 0);
s->fd = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
if (s->fd < 0) {
dprintf("Unable to open socket");
goto err_after_alloc;
@ -150,7 +150,7 @@ static void unix_accept_incoming_migration(void *opaque)
int c, ret;
do {
c = accept(s, (struct sockaddr *)&addr, &addrlen);
c = qemu_accept(s, (struct sockaddr *)&addr, &addrlen);
} while (c == -1 && socket_error() == EINTR);
dprintf("accepted migration\n");
@ -191,7 +191,7 @@ int unix_start_incoming_migration(const char *path)
dprintf("Attempting to start an incoming migration\n");
sock = socket(PF_UNIX, SOCK_STREAM, 0);
sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
if (sock < 0) {
fprintf(stderr, "Could not open unix socket: %s\n", strerror(errno));
return -EINVAL;