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| author | Konstantin Belousov <kib@FreeBSD.org> | 2013-02-07 15:36:24 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2013-02-07 15:36:24 +0000 |
| commit | 2ee83a16c0142a253bca069298aabca21513d8bd (patch) | |
| tree | 75e37af6c2d243479062f03c4ac5d2e79d1d7feb /lib | |
| parent | 888d4d4f865af1a6b0e1a25189d5157a25314444 (diff) | |
| download | src-2ee83a16c0142a253bca069298aabca21513d8bd.tar.gz src-2ee83a16c0142a253bca069298aabca21513d8bd.zip | |
Document the detail of interaction between vfork and PT_TRACEME.
MFC after: 2 weeks
Notes
Notes:
svn path=/head/; revision=246485
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sys/ptrace.2 | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/libc/sys/ptrace.2 b/lib/libc/sys/ptrace.2 index 9dda8ee1b41c..90c45442561e 100644 --- a/lib/libc/sys/ptrace.2 +++ b/lib/libc/sys/ptrace.2 @@ -2,7 +2,7 @@ .\" $NetBSD: ptrace.2,v 1.2 1995/02/27 12:35:37 cgd Exp $ .\" .\" This file is in the public domain. -.Dd February 19, 2012 +.Dd February 7, 2013 .Dt PTRACE 2 .Os .Sh NAME @@ -100,6 +100,16 @@ or any of the routines built on it it will stop before executing the first instruction of the new image. Also, any setuid or setgid bits on the executable being executed will be ignored. +If the child was created by +.Xr vfork 2 +system call or +.Xr rfork(2) +call with the +.Dv RFMEM +flag specified, the debugging events are reported to the parent +only after the +.Xr execve 2 +is executed. .It Dv PT_READ_I , Dv PT_READ_D These requests read a single .Vt int |