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authorCedric Le Goater <clg@fr.ibm.com>2006-12-08 11:37:55 +0100
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 17:28:51 +0100
commit1ec320afdc9552c92191d5f89fcd1ebe588334ca (patch)
treee526fb29f9487f1ea34aa9ccdf14c318aea2159f /include
parent[PATCH] add process_session() helper routine (diff)
downloadlinux-1ec320afdc9552c92191d5f89fcd1ebe588334ca.tar.xz
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[PATCH] add process_session() helper routine: deprecate old field
Add an anonymous union and ((deprecated)) to catch direct usage of the session field. [akpm@osdl.org: fix various missed conversions] [jdike@addtoit.com: fix UML bug] Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/init_task.h11
-rw-r--r--include/linux/sched.h19
2 files changed, 23 insertions, 7 deletions
diff --git a/include/linux/init_task.h b/include/linux/init_task.h
index 733790d4f7db..848a68af3d42 100644
--- a/include/linux/init_task.h
+++ b/include/linux/init_task.h
@@ -57,17 +57,18 @@
.cpu_vm_mask = CPU_MASK_ALL, \
}
-#define INIT_SIGNALS(sig) { \
- .count = ATOMIC_INIT(1), \
+#define INIT_SIGNALS(sig) { \
+ .count = ATOMIC_INIT(1), \
.wait_chldexit = __WAIT_QUEUE_HEAD_INITIALIZER(sig.wait_chldexit),\
- .shared_pending = { \
+ .shared_pending = { \
.list = LIST_HEAD_INIT(sig.shared_pending.list), \
- .signal = {{0}}}, \
+ .signal = {{0}}}, \
.posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
.cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
.rlim = INIT_RLIMITS, \
.pgrp = 1, \
- .session = 1, \
+ .tty_old_pgrp = 0, \
+ { .__session = 1}, \
}
extern struct nsproxy init_nsproxy;
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 270d864a8ff1..6fec1d419714 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -436,7 +436,12 @@ struct signal_struct {
/* job control IDs */
pid_t pgrp;
pid_t tty_old_pgrp;
- pid_t session;
+
+ union {
+ pid_t session __deprecated;
+ pid_t __session;
+ };
+
/* boolean value for session group leader */
int leader;
@@ -1047,9 +1052,19 @@ static inline pid_t process_group(struct task_struct *tsk)
return tsk->signal->pgrp;
}
+static inline pid_t signal_session(struct signal_struct *sig)
+{
+ return sig->__session;
+}
+
static inline pid_t process_session(struct task_struct *tsk)
{
- return tsk->signal->session;
+ return signal_session(tsk->signal);
+}
+
+static inline void set_signal_session(struct signal_struct *sig, pid_t session)
+{
+ sig->__session = session;
}
static inline struct pid *task_pid(struct task_struct *task)