signal: Document glibc's si_code of SI_ASYNCNL

The header uapi/asm-generic/siginfo.h appears to the the repository of
all of these definitions in linux so collect up glibcs additions as
well.  Just to prevent someone from accidentally creating a conflict
in the future.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2017-07-24 14:46:09 -05:00
parent f9886bc50a
commit 75c0abb870
1 changed files with 1 additions and 0 deletions

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@ -165,6 +165,7 @@ typedef struct siginfo {
#define SI_SIGIO -5 /* sent by queued SIGIO */
#define SI_TKILL -6 /* sent by tkill system call */
#define SI_DETHREAD -7 /* sent by execve() killing subsidiary threads */
#define SI_ASYNCNL -60 /* sent by glibc async name lookup completion */
#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
#define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0)