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qtest: unlink UNIX domain sockets after connecting

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UNIX domain sockets are leaked when tests call abort(3) (indirectly via
glib assert functions).

Unlink the files immediately after the connection has been established
to avoid leaks.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2013-11-21 11:37:25 +01:00
parent 1ad3c6abc0
commit 56db2e5843
1 changed files with 12 additions and 11 deletions
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23
tests/libqtest.c
View file

@ -45,7 +45,6 @@ struct QTestState
GString *rx;
int child_pid; /* Child process created to execute QEMU */
pid_t qemu_pid; /* QEMU process spawned by our child */
char *socket_path, *qmp_socket_path;
};
#define g_assert_no_errno(ret) do { \
@ -110,6 +109,8 @@ QTestState *qtest_init(const char *extra_args)
{
QTestState *s;
int sock, qmpsock, i;
gchar *socket_path;
gchar *qmp_socket_path;
gchar *pid_file;
gchar *command;
const char *qemu_binary;
@ -120,12 +121,12 @@ QTestState *qtest_init(const char *extra_args)
s = g_malloc(sizeof(*s));
s->socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
s->qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
socket_path = g_strdup_printf("/tmp/qtest-%d.sock", getpid());
qmp_socket_path = g_strdup_printf("/tmp/qtest-%d.qmp", getpid());
pid_file = g_strdup_printf("/tmp/qtest-%d.pid", getpid());
sock = init_socket(s->socket_path);
qmpsock = init_socket(s->qmp_socket_path);
sock = init_socket(socket_path);
qmpsock = init_socket(qmp_socket_path);
pid = fork();
if (pid == 0) {
@ -136,8 +137,8 @@ QTestState *qtest_init(const char *extra_args)
"-pidfile %s "
"-machine accel=qtest "
"-display none "
"%s", qemu_binary, s->socket_path,
s->qmp_socket_path, pid_file,
"%s", qemu_binary, socket_path,
qmp_socket_path, pid_file,
extra_args ?: "");
execlp("/bin/sh", "sh", "-c", command, NULL);
exit(1);
@ -145,6 +146,10 @@ QTestState *qtest_init(const char *extra_args)
s->fd = socket_accept(sock);
s->qmp_fd = socket_accept(qmpsock);
unlink(socket_path);
unlink(qmp_socket_path);
g_free(socket_path);
g_free(qmp_socket_path);
s->rx = g_string_new("");
s->child_pid = pid;
@ -179,10 +184,6 @@ void qtest_quit(QTestState *s)
close(s->fd);
close(s->qmp_fd);
g_string_free(s->rx, true);
unlink(s->socket_path);
unlink(s->qmp_socket_path);
g_free(s->socket_path);
g_free(s->qmp_socket_path);
g_free(s);
}