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Subjectincludes cleanup.
I noticed that every file that could be built as a module was sucking
in sched.h (and therefore, every other include file under the sun).

This patch
- removes the sched.h from module.h
- Moves the capable() definition from sched.h to capability.h
- split out the wake_up_* stuff to linux/wakeup.h
- Removed sched.h includes from a bunch of drivers that didn't
need it due to the above work.
- Fixes up all the breakage I was able to find under x86.
Fixing other arch's is simple enough, they just need to include
sched.h explicity in a few places now (or jiffies.h, or capability.h or wakeup.h))

I've not done any measurements to see if this is noticable on a compile,
as I'd expect it to be mostly in the noise anyway (though last time I
did this in 2.5.early, it did shave off the best part of a minute off
my worst-case-scenario build), but untangling the spaghetti of includes
a little should at least mean gcc uses less memory during the build.

comments?

Dave


# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
# 2004/08/14 22:17:56+01:00 davej@redhat.com
# [INCLUDE] Remove sched.h inclusion from module.h.
# Also move some capability bits to capability.h, and break
# out some of sched.h to wakeup.h
#
# Build checked for make all modconfig,yesconfig,noconfig
#
# Signed-off-by: Dave Jones <davej@redhat.com>
#
diff -Nru a/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c b/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c
--- a/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c 2004-08-14 22:18:22 +01:00
+++ b/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c 2004-08-14 22:18:22 +01:00
@@ -28,6 +28,7 @@
#include <linux/cpufreq.h>
#include <linux/slab.h>
#include <linux/cpumask.h>
+#include <linux/sched.h> /* current / set_cpus_allowed() */

#include <asm/processor.h>
#include <asm/msr.h>
diff -Nru a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c 2004-08-14 22:18:22 +01:00
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c 2004-08-14 22:18:22 +01:00
@@ -27,6 +27,7 @@
#include <linux/cpufreq.h>
#include <linux/slab.h>
#include <linux/string.h>
+#include <linux/sched.h> /* for current / set_cpus_allowed() */

#include <asm/msr.h>
#include <asm/io.h>
diff -Nru a/arch/i386/kernel/cpu/mtrr/if.c b/arch/i386/kernel/cpu/mtrr/if.c
--- a/arch/i386/kernel/cpu/mtrr/if.c 2004-08-14 22:18:22 +01:00
+++ b/arch/i386/kernel/cpu/mtrr/if.c 2004-08-14 22:18:22 +01:00
@@ -3,6 +3,7 @@
#include <linux/ctype.h>
#include <linux/module.h>
#include <linux/seq_file.h>
+#include <linux/capability.h>
#include <asm/uaccess.h>

#define LINE_SIZE 80
diff -Nru a/drivers/block/paride/paride.c b/drivers/block/paride/paride.c
--- a/drivers/block/paride/paride.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/block/paride/paride.c 2004-08-14 22:18:22 +01:00
@@ -29,6 +29,7 @@
#include <linux/string.h>
#include <linux/spinlock.h>
#include <linux/wait.h>
+#include <linux/sched.h> /* TASK_* */

#ifdef CONFIG_PARPORT_MODULE
#define CONFIG_PARPORT
diff -Nru a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
--- a/drivers/block/paride/pg.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/block/paride/pg.c 2004-08-14 22:18:22 +01:00
@@ -162,6 +162,8 @@
#include <linux/mtio.h>
#include <linux/pg.h>
#include <linux/device.h>
+#include <linux/sched.h> /* current, TASK_* */
+#include <linux/jiffies.h>

#include <asm/uaccess.h>

diff -Nru a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
--- a/drivers/block/paride/pt.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/block/paride/pt.c 2004-08-14 22:18:22 +01:00
@@ -146,6 +146,7 @@
#include <linux/slab.h>
#include <linux/mtio.h>
#include <linux/device.h>
+#include <linux/sched.h> /* current, TASK_*, schedule_timeout() */

#include <asm/uaccess.h>

diff -Nru a/drivers/char/i8k.c b/drivers/char/i8k.c
--- a/drivers/char/i8k.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/char/i8k.c 2004-08-14 22:18:22 +01:00
@@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/proc_fs.h>
#include <linux/apm_bios.h>
+#include <linux/capability.h>
#include <asm/uaccess.h>
#include <asm/io.h>

diff -Nru a/drivers/char/watchdog/cpu5wdt.c b/drivers/char/watchdog/cpu5wdt.c
--- a/drivers/char/watchdog/cpu5wdt.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/char/watchdog/cpu5wdt.c 2004-08-14 22:18:22 +01:00
@@ -28,6 +28,7 @@
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/timer.h>
+#include <linux/jiffies.h>
#include <asm/io.h>
#include <asm/uaccess.h>

diff -Nru a/drivers/char/watchdog/mixcomwd.c b/drivers/char/watchdog/mixcomwd.c
--- a/drivers/char/watchdog/mixcomwd.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/char/watchdog/mixcomwd.c 2004-08-14 22:18:22 +01:00
@@ -45,6 +45,8 @@
#include <linux/fs.h>
#include <linux/reboot.h>
#include <linux/init.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
#include <asm/uaccess.h>
#include <asm/io.h>

diff -Nru a/drivers/char/watchdog/pcwd.c b/drivers/char/watchdog/pcwd.c
--- a/drivers/char/watchdog/pcwd.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/char/watchdog/pcwd.c 2004-08-14 22:18:22 +01:00
@@ -66,7 +66,7 @@
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/reboot.h>
-
+#include <linux/sched.h> /* TASK_INTERRUPTIBLE, set_current_state() and friends */
#include <asm/uaccess.h>
#include <asm/io.h>

diff -Nru a/drivers/char/watchdog/sc520_wdt.c b/drivers/char/watchdog/sc520_wdt.c
--- a/drivers/char/watchdog/sc520_wdt.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/char/watchdog/sc520_wdt.c 2004-08-14 22:18:22 +01:00
@@ -63,6 +63,7 @@
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
+#include <linux/jiffies.h>

#include <asm/io.h>
#include <asm/uaccess.h>
diff -Nru a/drivers/char/watchdog/softdog.c b/drivers/char/watchdog/softdog.c
--- a/drivers/char/watchdog/softdog.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/char/watchdog/softdog.c 2004-08-14 22:18:22 +01:00
@@ -47,6 +47,8 @@
#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/init.h>
+#include <linux/jiffies.h>
+
#include <asm/uaccess.h>

#define PFX "SoftDog: "
diff -Nru a/drivers/input/joystick/a3d.c b/drivers/input/joystick/a3d.c
--- a/drivers/input/joystick/a3d.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/a3d.c 2004-08-14 22:18:22 +01:00
@@ -34,6 +34,7 @@
#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/input.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("FP-Gaming Assasin 3D joystick driver");
diff -Nru a/drivers/input/joystick/adi.c b/drivers/input/joystick/adi.c
--- a/drivers/input/joystick/adi.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/adi.c 2004-08-14 22:18:22 +01:00
@@ -36,6 +36,7 @@
#include <linux/input.h>
#include <linux/gameport.h>
#include <linux/init.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Logitech ADI joystick family driver");
diff -Nru a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
--- a/drivers/input/joystick/analog.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/analog.c 2004-08-14 22:18:22 +01:00
@@ -38,6 +38,7 @@
#include <linux/init.h>
#include <linux/input.h>
#include <linux/gameport.h>
+#include <linux/jiffies.h>
#include <asm/timex.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
diff -Nru a/drivers/input/joystick/cobra.c b/drivers/input/joystick/cobra.c
--- a/drivers/input/joystick/cobra.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/cobra.c 2004-08-14 22:18:22 +01:00
@@ -34,6 +34,7 @@
#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/input.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Creative Labs Blaster GamePad Cobra driver");
diff -Nru a/drivers/input/joystick/gf2k.c b/drivers/input/joystick/gf2k.c
--- a/drivers/input/joystick/gf2k.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/gf2k.c 2004-08-14 22:18:22 +01:00
@@ -35,6 +35,7 @@
#include <linux/init.h>
#include <linux/input.h>
#include <linux/gameport.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Genius Flight 2000 joystick driver");
diff -Nru a/drivers/input/joystick/grip.c b/drivers/input/joystick/grip.c
--- a/drivers/input/joystick/grip.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/grip.c 2004-08-14 22:18:22 +01:00
@@ -34,6 +34,7 @@
#include <linux/slab.h>
#include <linux/gameport.h>
#include <linux/input.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Gravis GrIP protocol joystick driver");
diff -Nru a/drivers/input/joystick/grip_mp.c b/drivers/input/joystick/grip_mp.c
--- a/drivers/input/joystick/grip_mp.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/grip_mp.c 2004-08-14 22:18:22 +01:00
@@ -19,6 +19,7 @@
#include <linux/input.h>
#include <linux/delay.h>
#include <linux/proc_fs.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Brian Bonnlander");
MODULE_DESCRIPTION("Gravis Grip Multiport driver");
diff -Nru a/drivers/input/joystick/guillemot.c b/drivers/input/joystick/guillemot.c
--- a/drivers/input/joystick/guillemot.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/guillemot.c 2004-08-14 22:18:22 +01:00
@@ -35,6 +35,7 @@
#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/input.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Guillemot Digital joystick driver");
diff -Nru a/drivers/input/joystick/interact.c b/drivers/input/joystick/interact.c
--- a/drivers/input/joystick/interact.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/interact.c 2004-08-14 22:18:22 +01:00
@@ -38,6 +38,7 @@
#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/input.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("InterAct digital joystick driver");
diff -Nru a/drivers/input/joystick/sidewinder.c b/drivers/input/joystick/sidewinder.c
--- a/drivers/input/joystick/sidewinder.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/sidewinder.c 2004-08-14 22:18:22 +01:00
@@ -35,6 +35,7 @@
#include <linux/init.h>
#include <linux/input.h>
#include <linux/gameport.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("Microsoft SideWinder joystick family driver");
diff -Nru a/drivers/input/joystick/tmdc.c b/drivers/input/joystick/tmdc.c
--- a/drivers/input/joystick/tmdc.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/input/joystick/tmdc.c 2004-08-14 22:18:22 +01:00
@@ -38,6 +38,7 @@
#include <linux/init.h>
#include <linux/gameport.h>
#include <linux/input.h>
+#include <linux/jiffies.h>

MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>");
MODULE_DESCRIPTION("ThrustMaster DirectConnect joystick driver");
diff -Nru a/drivers/isdn/capi/capifs.c b/drivers/isdn/capi/capifs.c
--- a/drivers/isdn/capi/capifs.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/isdn/capi/capifs.c 2004-08-14 22:18:22 +01:00
@@ -15,6 +15,7 @@
#include <linux/module.h>
#include <linux/init.h>
#include <linux/ctype.h>
+#include <linux/sched.h> /* current */

MODULE_DESCRIPTION("CAPI4Linux: /dev/capi/ filesystem");
MODULE_AUTHOR("Carsten Paeth");
diff -Nru a/drivers/media/radio/miropcm20-rds.c b/drivers/media/radio/miropcm20-rds.c
--- a/drivers/media/radio/miropcm20-rds.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/media/radio/miropcm20-rds.c 2004-08-14 22:18:22 +01:00
@@ -14,6 +14,7 @@
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/miscdevice.h>
+#include <linux/sched.h> /* current, TASK_*, schedule_timeout() */
#include <asm/uaccess.h>
#include "miropcm20-rds-core.h"

diff -Nru a/drivers/mtd/mtdblock.c b/drivers/mtd/mtdblock.c
--- a/drivers/mtd/mtdblock.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/mtd/mtdblock.c 2004-08-14 22:18:22 +01:00
@@ -15,6 +15,7 @@
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
+#include <linux/sched.h> /* TASK_* */
#include <linux/mtd/mtd.h>
#include <linux/mtd/blktrans.h>

diff -Nru a/drivers/mtd/mtdchar.c b/drivers/mtd/mtdchar.c
--- a/drivers/mtd/mtdchar.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/mtd/mtdchar.c 2004-08-14 22:18:22 +01:00
@@ -13,6 +13,7 @@
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/fs.h>
+#include <linux/sched.h> /* TASK_* */
#include <asm/uaccess.h>

#ifdef CONFIG_DEVFS_FS
diff -Nru a/drivers/mtd/mtdconcat.c b/drivers/mtd/mtdconcat.c
--- a/drivers/mtd/mtdconcat.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/mtd/mtdconcat.c 2004-08-14 22:18:22 +01:00
@@ -14,7 +14,7 @@
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/slab.h>
-
+#include <linux/sched.h> /* TASK_* */
#include <linux/mtd/mtd.h>
#include <linux/mtd/concat.h>

diff -Nru a/drivers/w1/w1_family.c b/drivers/w1/w1_family.c
--- a/drivers/w1/w1_family.c 2004-08-14 22:18:22 +01:00
+++ b/drivers/w1/w1_family.c 2004-08-14 22:18:22 +01:00
@@ -21,6 +21,7 @@

#include <linux/spinlock.h>
#include <linux/list.h>
+#include <linux/sched.h> /* schedule_timeout() */

#include "w1_family.h"

diff -Nru a/fs/filesystems.c b/fs/filesystems.c
--- a/fs/filesystems.c 2004-08-14 22:18:22 +01:00
+++ b/fs/filesystems.c 2004-08-14 22:18:22 +01:00
@@ -11,6 +11,7 @@
#include <linux/kmod.h>
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/sched.h> /* for 'current' */
#include <asm/uaccess.h>

/*
diff -Nru a/fs/jffs2/wbuf.c b/fs/jffs2/wbuf.c
--- a/fs/jffs2/wbuf.c 2004-08-14 22:18:22 +01:00
+++ b/fs/jffs2/wbuf.c 2004-08-14 22:18:22 +01:00
@@ -18,6 +18,8 @@
#include <linux/mtd/mtd.h>
#include <linux/crc32.h>
#include <linux/mtd/nand.h>
+#include <linux/jiffies.h>
+
#include "nodelist.h"

/* For testing write failures */
diff -Nru a/include/linux/capability.h b/include/linux/capability.h
--- a/include/linux/capability.h 2004-08-14 22:18:22 +01:00
+++ b/include/linux/capability.h 2004-08-14 22:18:22 +01:00
@@ -353,6 +353,21 @@

#define cap_is_fs_cap(c) (CAP_TO_MASK(c) & CAP_FS_MASK)

+#ifdef CONFIG_SECURITY
+/* code is in security.c */
+extern int capable(int cap);
+#else
+static inline int capable(int cap)
+{
+ if (cap_raised(current->cap_effective, cap)) {
+ current->flags |= PF_SUPERPRIV;
+ return 1;
+ }
+ return 0;
+}
+#endif
+
#endif /* __KERNEL__ */

#endif /* !_LINUX_CAPABILITY_H */
+
diff -Nru a/include/linux/i2c.h b/include/linux/i2c.h
--- a/include/linux/i2c.h 2004-08-14 22:18:22 +01:00
+++ b/include/linux/i2c.h 2004-08-14 22:18:22 +01:00
@@ -32,6 +32,7 @@
#include <linux/types.h>
#include <linux/i2c-id.h>
#include <linux/device.h> /* for struct device */
+#include <linux/sched.h> /* for completion */
#include <asm/semaphore.h>

/* --- General options ------------------------------------------------ */
diff -Nru a/include/linux/module.h b/include/linux/module.h
--- a/include/linux/module.h 2004-08-14 22:18:22 +01:00
+++ b/include/linux/module.h 2004-08-14 22:18:22 +01:00
@@ -7,7 +7,6 @@
* Rewritten again by Rusty Russell, 2002
*/
#include <linux/config.h>
-#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/list.h>
#include <linux/stat.h>
@@ -18,8 +17,9 @@
#include <linux/stringify.h>
#include <linux/kobject.h>
#include <linux/moduleparam.h>
-#include <asm/local.h>
+#include <linux/wakeup.h>

+#include <asm/local.h>
#include <asm/module.h>

/* Not Yet Implemented */
diff -Nru a/include/linux/sched.h b/include/linux/sched.h
--- a/include/linux/sched.h 2004-08-14 22:18:22 +01:00
+++ b/include/linux/sched.h 2004-08-14 22:18:22 +01:00
@@ -747,19 +747,8 @@
extern unsigned long itimer_next;
extern void do_timer(struct pt_regs *);

-extern int FASTCALL(wake_up_state(struct task_struct * tsk, unsigned int state));
-extern int FASTCALL(wake_up_process(struct task_struct * tsk));
-extern void FASTCALL(wake_up_forked_process(struct task_struct * tsk));
-#ifdef CONFIG_SMP
- extern void kick_process(struct task_struct *tsk);
- extern void FASTCALL(wake_up_forked_thread(struct task_struct * tsk));
-#else
- static inline void kick_process(struct task_struct *tsk) { }
- static inline void wake_up_forked_thread(struct task_struct * tsk)
- {
- wake_up_forked_process(tsk);
- }
-#endif
+#include <linux/wakeup.h>
+
extern void FASTCALL(sched_fork(task_t * p));
extern void FASTCALL(sched_exit(task_t * p));

@@ -827,21 +816,6 @@
return (current->sas_ss_size == 0 ? SS_DISABLE
: on_sig_stack(sp) ? SS_ONSTACK : 0);
}
-
-
-#ifdef CONFIG_SECURITY
-/* code is in security.c */
-extern int capable(int cap);
-#else
-static inline int capable(int cap)
-{
- if (cap_raised(current->cap_effective, cap)) {
- current->flags |= PF_SUPERPRIV;
- return 1;
- }
- return 0;
-}
-#endif

/*
* Routines for handling mm_structs
diff -Nru a/include/linux/wakeup.h b/include/linux/wakeup.h
--- /dev/null Wed Dec 31 16:00:00 196900
+++ b/include/linux/wakeup.h 2004-08-14 22:18:22 +01:00
@@ -0,0 +1,17 @@
+#ifndef _LINUX_WAKEUP_H
+#define _LINUX_WAKEUP_H
+
+extern int FASTCALL(wake_up_state(struct task_struct * tsk, unsigned int state));
+extern int FASTCALL(wake_up_process(struct task_struct * tsk));
+extern void FASTCALL(wake_up_forked_process(struct task_struct * tsk));
+#ifdef CONFIG_SMP
+ extern void kick_process(struct task_struct *tsk);
+ extern void FASTCALL(wake_up_forked_thread(struct task_struct * tsk));
+#else
+ static inline void kick_process(struct task_struct *tsk) { }
+ static inline void wake_up_forked_thread(struct task_struct * tsk)
+ {
+ wake_up_forked_process(tsk);
+ }
+#endif
+#endif
diff -Nru a/kernel/kallsyms.c b/kernel/kallsyms.c
--- a/kernel/kallsyms.c 2004-08-14 22:18:22 +01:00
+++ b/kernel/kallsyms.c 2004-08-14 22:18:22 +01:00
@@ -13,6 +13,7 @@
#include <linux/fs.h>
#include <linux/err.h>
#include <linux/proc_fs.h>
+#include <linux/sched.h> /* for cond_resched */

/* These will be re-linked against their real values during the second link stage */
extern unsigned long kallsyms_addresses[] __attribute__((weak));
diff -Nru a/sound/oss/ac97_codec.c b/sound/oss/ac97_codec.c
--- a/sound/oss/ac97_codec.c 2004-08-14 22:18:22 +01:00
+++ b/sound/oss/ac97_codec.c 2004-08-14 22:18:22 +01:00
@@ -54,6 +54,7 @@
#include <linux/delay.h>
#include <linux/ac97_codec.h>
#include <asm/uaccess.h>
+#include <asm/semaphore.h>

#define CODEC_ID_BUFSZ 14

-
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