Add libssh2_channel_get_exit_signal man page.

Signed-off-by: Simon Josefsson <simon@josefsson.org>

docs/libssh2_channel_get_exit_signal.3

@@ -0,0 +1,36 @@
+.\" $Id$
+.\"
+.TH libssh2_channel_get_exit_signal 3 "4 Oct 2010" "libssh2 1.2.8" "libssh2 manual"
+.SH NAME
+libssh2_channel_get_exit_signal - get the remote exit signal
+.SH SYNOPSIS
+#include <libssh2.h>
+
+int 
+libssh2_channel_get_exit_signal(LIBSSH2_CHANNEL *channel, char **exitsignal, size_t *exitsignal_len, char **errmsg, size_t *errmsg_len, char **langtag, size_t *langtag_len);
+
+.SH DESCRIPTION
+\fIchannel\fP - Closed channel stream to retrieve exit signal from.
+
+\fIexitsignal\fP - If not NULL, is populated by reference with the exit signal
+(without leading "SIG"). Note that the string is stored in a newly allocated
+buffer. If the remote program exited cleanly, the referenced string pointer
+will be set to NULL. 
+
+\fIexitsignal_len\fP - If not NULL, is populated by reference with the length
+of exitsignal. 
+
+\fIerrmsg\fP - If not NULL, is populated by reference with the error message
+(if provided by remote server, if not it will be set to NULL). Note that the
+string is stored in a newly allocated buffer.
+
+\fIerrmsg_len\fP - If not NULL, is populated by reference with the length of errmsg.
+
+\fIlangtag\fP - If not NULL, is populated by reference with the language tag 
+(if provided by remote server, if not it will be set to NULL). Note that the
+string is stored in a newly allocated buffer.
+
+\fIlangtag_len\fP - If not NULL, is populated by reference with the length of langtag.
+
+.SH RETURN VALUE
+Numeric error code corresponding to the the Error Code constants.