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| author | kib <kib@FreeBSD.org> | 2013-02-07 15:36:24 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2013-02-07 15:36:24 +0000 |
| commit | 2a34503ae7f34f165a519e1e5eeb350e528aa542 (patch) | |
| tree | 75e37af6c2d243479062f03c4ac5d2e79d1d7feb /lib | |
| parent | de5bb93ec15ad24564702e50ee96168afb61b9bb (diff) | |
| download | FreeBSD-src-2a34503ae7f34f165a519e1e5eeb350e528aa542.zip FreeBSD-src-2a34503ae7f34f165a519e1e5eeb350e528aa542.tar.gz | |
Document the detail of interaction between vfork and PT_TRACEME.
MFC after: 2 weeks
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 9dda8ee..90c4544 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 |
