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authorJeremy Fitzhardinge <jeremy@xensource.com>2007-07-17 18:37:03 -0700
committerJeremy Fitzhardinge <jeremy@goop.org>2007-07-18 08:47:40 -0700
commit86313c488a6848b7ec2ba04e74f25f79dd32a0b7 (patch)
tree3b190f7afc338362470573b563f65a1eb83795ac /include
parent10a0a8d4e3f6bf2d077f94344441909abe670f5a (diff)
usermodehelper: Tidy up waiting
Rather than using a tri-state integer for the wait flag in call_usermodehelper_exec, define a proper enum, and use that. I've preserved the integer values so that any callers I've missed should still work OK. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com> Cc: Randy Dunlap <randy.dunlap@oracle.com> Cc: Christoph Hellwig <hch@infradead.org> Cc: Andi Kleen <ak@suse.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Joel Becker <joel.becker@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Kay Sievers <kay.sievers@vrfy.org> Cc: Srivatsa Vaddagiri <vatsa@in.ibm.com> Cc: Oleg Nesterov <oleg@tv-sign.ru> Cc: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/kmod.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/kmod.h b/include/linux/kmod.h
index c4cbe59d9c6..5dc13848891 100644
--- a/include/linux/kmod.h
+++ b/include/linux/kmod.h
@@ -51,15 +51,21 @@ int call_usermodehelper_stdinpipe(struct subprocess_info *sub_info,
void call_usermodehelper_setcleanup(struct subprocess_info *info,
void (*cleanup)(char **argv, char **envp));
+enum umh_wait {
+ UMH_NO_WAIT = -1, /* don't wait at all */
+ UMH_WAIT_EXEC = 0, /* wait for the exec, but not the process */
+ UMH_WAIT_PROC = 1, /* wait for the process to complete */
+};
+
/* Actually execute the sub-process */
-int call_usermodehelper_exec(struct subprocess_info *info, int wait);
+int call_usermodehelper_exec(struct subprocess_info *info, enum umh_wait wait);
/* Free the subprocess_info. This is only needed if you're not going
to call call_usermodehelper_exec */
void call_usermodehelper_freeinfo(struct subprocess_info *info);
static inline int
-call_usermodehelper(char *path, char **argv, char **envp, int wait)
+call_usermodehelper(char *path, char **argv, char **envp, enum umh_wait wait)
{
struct subprocess_info *info;
@@ -71,7 +77,7 @@ call_usermodehelper(char *path, char **argv, char **envp, int wait)
static inline int
call_usermodehelper_keys(char *path, char **argv, char **envp,
- struct key *session_keyring, int wait)
+ struct key *session_keyring, enum umh_wait wait)
{
struct subprocess_info *info;