Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=62e5b05db6cd5dd9cf9614cc5d2d0702c1e339bb Commit: 62e5b05db6cd5dd9cf9614cc5d2d0702c1e339bb Parent: d7083174a2ca5ff80de773d2054caee2f77bf9f9 Author: Satoru Takeuchi <[EMAIL PROTECTED]> AuthorDate: Fri Jun 1 00:47:06 2007 -0700 Committer: Linus Torvalds <[EMAIL PROTECTED]> CommitDate: Fri Jun 1 08:18:29 2007 -0700
Better documentation for ERESTARTSYS Add comment for errnos related to restart syscall to avoid the leakage of them to user programs. Signed-off-by: Satoru Takeuchi <[EMAIL PROTECTED]> Cc: Oleg Nesterov <[EMAIL PROTECTED]> Acked-by: Roland McGrath <[EMAIL PROTECTED]> Signed-off-by: Andrew Morton <[EMAIL PROTECTED]> Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]> --- include/linux/errno.h | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/include/linux/errno.h b/include/linux/errno.h index d90b80f..4668583 100644 --- a/include/linux/errno.h +++ b/include/linux/errno.h @@ -5,7 +5,12 @@ #ifdef __KERNEL__ -/* Should never be seen by user programs */ +/* + * These should never be seen by user programs. To return one of ERESTART* + * codes, signal_pending() MUST be set. Note that ptrace can observe these + * at syscall exit tracing, but they will never be left for the debugged user + * process to see. + */ #define ERESTARTSYS 512 #define ERESTARTNOINTR 513 #define ERESTARTNOHAND 514 /* restart if no handler.. */ - To unsubscribe from this list: send the line "unsubscribe git-commits-head" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html