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authorPeter Oberparleiter <[email protected]>2009-06-17 16:28:03 -0700
committerLinus Torvalds <[email protected]>2009-06-18 13:03:57 -0700
commitb99b87f70c7785ab1e253c6220f4b0b57ce3a7f7 (patch)
treeec5688052334448ec8edd3a1a9cb95cd68501ac7 /include/linux/init.h
parente24aca672ff06aff0e6a1045efab86043ea5f735 (diff)
kernel: constructor support
Call constructors (gcc-generated initcall-like functions) during kernel start and module load. Constructors are e.g. used for gcov data initialization. Disable constructor support for usermode Linux to prevent conflicts with host glibc. Signed-off-by: Peter Oberparleiter <[email protected]> Acked-by: Rusty Russell <[email protected]> Acked-by: WANG Cong <[email protected]> Cc: Sam Ravnborg <[email protected]> Cc: Jeff Dike <[email protected]> Cc: Andi Kleen <[email protected]> Cc: Huang Ying <[email protected]> Cc: Li Wei <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Heiko Carstens <[email protected]> Cc: Martin Schwidefsky <[email protected]> Cc: Al Viro <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'include/linux/init.h')
-rw-r--r--include/linux/init.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/init.h b/include/linux/init.h
index 8c2c9989626d..13b633ed695e 100644
--- a/include/linux/init.h
+++ b/include/linux/init.h
@@ -134,6 +134,9 @@ typedef void (*exitcall_t)(void);
extern initcall_t __con_initcall_start[], __con_initcall_end[];
extern initcall_t __security_initcall_start[], __security_initcall_end[];
+/* Used for contructor calls. */
+typedef void (*ctor_fn_t)(void);
+
/* Defined in init/main.c */
extern int do_one_initcall(initcall_t fn);
extern char __initdata boot_command_line[];