[PATCH] clone.2: Document that clone silently ignores CLONE_PID and CLONE_STOPPED
From: Josh Triplett <hidden>
Date: 2015-02-27 00:41:20
Subsystem:
the rest · Maintainer:
Linus Torvalds
Normally, system calls return EINVAL for flags they don't support. Explicitly document that clone does *not* produce an error for these two obsolete flags. Signed-off-by: Josh Triplett <redacted> --- man2/clone.2 | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/man2/clone.2 b/man2/clone.2
index 91c3684..10cef7d 100644
--- a/man2/clone.2
+++ b/man2/clone.2@@ -534,7 +534,8 @@ This is good for hacking the system, but otherwise of not much use. Since 2.3.21 this flag can be specified only by the system boot process (PID 0). -It disappeared in Linux 2.5.16. +It disappeared in Linux 2.5.16. Since then, the kernel silently ignores it +without error. .TP .BR CLONE_PTRACE " (since Linux 2.2)" If
@@ -599,7 +600,8 @@ This flag was from Linux 2.6.25 onward, and was .I removed -altogether in Linux 2.6.38. +altogether in Linux 2.6.38. Since then, the kernel silently ignores it without +error. .\" glibc 2.8 removed this defn from bits/sched.h .TP .BR CLONE_SYSVSEM " (since Linux 2.5.10)"
--
2.1.4
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