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ptrace(2): Document addr and data argument usage for PT_GET_PROCESS_STATE 

The PT_GET_PROCESS_STATE call in ptrace(2) has the following usage of addr
and data:

    A pointer to this structure is passed in addr.  The data
    argument should be set to sizeof(struct ptrace_event).

Sponsored by <The NetBSD Foundation>
This commit is contained in:
kamil 2017-01-07 01:29:18 +00:00
parent d152fc3170
commit 929c1cc1fe
1 changed files with 10 additions and 3 deletions
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13
lib/libc/sys/ptrace.2
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@ -1,7 +1,7 @@
.\" $NetBSD: ptrace.2,v 1.46 2016/12/29 22:17:51 kamil Exp $
.\" $NetBSD: ptrace.2,v 1.47 2017/01/07 01:29:18 kamil Exp $
.\"
.\" This file is in the public domain.
.Dd November 1, 2016
.Dd January 7, 2016
.Dt PTRACE 2
.Os
.Sh NAME
@ -309,7 +309,7 @@ pointed to by
The
.Fa data
argument should be set to
.Li sizeof(struct ptrace_event) .
.Li sizeof(struct ptrace_state) .
.It Dv PT_GET_PROCESS_STATE
This request reads the state information associated with the event
that stopped the traced process.
@ -322,6 +322,13 @@ typedef struct ptrace_state {
pid_t pe_other_pid;
} ptrace_state_t;
.Ed
.Pp
A pointer to this structure is passed in
.Fa addr .
The
.Fa data
argument should be set to
.Li sizeof(struct ptrace_event) .
.El
.Pp
Additionally, the following requests exist but are