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backend/session: add assertions

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This commit is contained in:
emersion 2018-09-17 22:01:35 +02:00
parent 6c05f17a25
commit 07ea98dab9
3 changed files with 34 additions and 13 deletions
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15
backend/session/direct.c
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@ -1,4 +1,5 @@
#define _POSIX_C_SOURCE 200809L
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <linux/input.h>
@ -33,8 +34,14 @@ struct direct_session {
struct wl_event_source *vt_source;
};
static struct direct_session *direct_session_from_session(
struct wlr_session *base) {
assert(base->impl == &session_direct);
return (struct direct_session *)base;
}
static int direct_session_open(struct wlr_session *base, const char *path) {
struct direct_session *session = wl_container_of(base, session, base);
struct direct_session *session = direct_session_from_session(base);
int fd = direct_ipc_open(session->sock, path);
if (fd < 0) {
@ -57,7 +64,7 @@ static int direct_session_open(struct wlr_session *base, const char *path) {
}
static void direct_session_close(struct wlr_session *base, int fd) {
struct direct_session *session = wl_container_of(base, session, base);
struct direct_session *session = direct_session_from_session(base);
struct stat st;
if (fstat(fd, &st) < 0) {
@ -76,7 +83,7 @@ static void direct_session_close(struct wlr_session *base, int fd) {
}
static bool direct_change_vt(struct wlr_session *base, unsigned vt) {
struct direct_session *session = wl_container_of(base, session, base);
struct direct_session *session = direct_session_from_session(base);
// Only seat0 has VTs associated with it
if (strcmp(session->base.seat, "seat0") != 0) {
@ -87,7 +94,7 @@ static bool direct_change_vt(struct wlr_session *base, unsigned vt) {
}
static void direct_session_destroy(struct wlr_session *base) {
struct direct_session *session = wl_container_of(base, session, base);
struct direct_session *session = direct_session_from_session(base);
if (strcmp(session->base.seat, "seat0") == 0) {
struct vt_mode mode = {