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Similarly, for sessions use a callback to free rather than checking

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every loop.
This commit is contained in:
nicm
2015-06-05 18:18:32 +00:00
parent 10e90ae01f
commit 641a9cd3f5
5 changed files with 32 additions and 28 deletions
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31
session.c
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@ -27,12 +27,12 @@
#include "tmux.h"
/* Global session list. */
struct sessions sessions;
struct sessions dead_sessions;
u_int next_session_id;
struct session_groups session_groups;
void session_free(int, short, void *);
struct winlink *session_next_alert(struct winlink *);
struct winlink *session_previous_alert(struct winlink *);
@ -109,7 +109,7 @@ session_create(const char *name, int argc, char **argv, const char *path,
struct winlink *wl;
s = xmalloc(sizeof *s);
s->references = 0;
s->references = 1;
s->flags = 0;
if (gettimeofday(&s->creation_time, NULL) != 0)
@ -164,6 +164,29 @@ session_create(const char *name, int argc, char **argv, const char *path,
return (s);
}
/* Remove a reference from a session. */
void
session_unref(struct session *s)
{
log_debug("session %s has %d references", s->name, s->references);
s->references--;
if (s->references == 0)
event_once(-1, EV_TIMEOUT, session_free, s, NULL);
}
/* Free session. */
void
session_free(unused int fd, unused short events, void *arg)
{
struct session *s = arg;
log_debug("sesson %s freed (%d references)", s->name, s->references);
if (s->references == 0)
free(s);
}
/* Destroy a session. */
void
session_destroy(struct session *s)
@ -191,7 +214,7 @@ session_destroy(struct session *s)
close(s->cwd);
RB_INSERT(sessions, &dead_sessions, s);
session_unref(s);
}
/* Check a session name is valid: not empty and no colons or periods. */