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Merge branch '10.0-galera' into 10.1

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This commit is contained in:
Nirbhay Choubey
2015-07-14 16:05:29 -04:00
parent 75931feabe
commit dced5146bd
399 changed files with 14892 additions and 1525 deletions
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86
sql/wsrep_utils.cc
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@ -1,4 +1,4 @@
/* Copyright 2010 Codership Oy <http://www.codership.com>
/* Copyright 2010-2015 Codership Oy <http://www.codership.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@ -150,7 +150,35 @@ process::process (const char* cmd, const char* type)
goto cleanup_pipe;
}
err_ = posix_spawnattr_setflags (&attr, POSIX_SPAWN_SETSIGDEF |
/* make sure that no signlas are masked in child process */
sigset_t sigmask_empty; sigemptyset(&sigmask_empty);
err_ = posix_spawnattr_setsigmask(&attr, &sigmask_empty);
if (err_)
{
WSREP_ERROR ("posix_spawnattr_setsigmask() failed: %d (%s)",
err_, strerror(err_));
goto cleanup_attr;
}
/* make sure the following signals are not ignored in child process */
sigset_t default_signals; sigemptyset(&default_signals);
sigaddset(&default_signals, SIGHUP);
sigaddset(&default_signals, SIGINT);
sigaddset(&default_signals, SIGQUIT);
sigaddset(&default_signals, SIGPIPE);
sigaddset(&default_signals, SIGTERM);
sigaddset(&default_signals, SIGCHLD);
err_ = posix_spawnattr_setsigdefault(&attr, &default_signals);
if (err_)
{
WSREP_ERROR ("posix_spawnattr_setsigdefault() failed: %d (%s)",
err_, strerror(err_));
goto cleanup_attr;
}
err_ = posix_spawnattr_setflags (&attr, POSIX_SPAWN_SETSIGDEF |
POSIX_SPAWN_SETSIGMASK |
/* start a new process group */ POSIX_SPAWN_SETPGROUP |
POSIX_SPAWN_USEVFORK);
if (err_)
{
@ -439,57 +467,3 @@ size_t wsrep_guess_ip (char* buf, size_t buf_len)
return 0;
}
/*
* WSREPXid
*/
#define WSREP_XID_PREFIX "WSREPXid"
#define WSREP_XID_PREFIX_LEN MYSQL_XID_PREFIX_LEN
#define WSREP_XID_UUID_OFFSET 8
#define WSREP_XID_SEQNO_OFFSET (WSREP_XID_UUID_OFFSET + sizeof(wsrep_uuid_t))
#define WSREP_XID_GTRID_LEN (WSREP_XID_SEQNO_OFFSET + sizeof(wsrep_seqno_t))
void wsrep_xid_init(XID* xid, const wsrep_uuid_t* uuid, wsrep_seqno_t seqno)
{
xid->formatID= 1;
xid->gtrid_length= WSREP_XID_GTRID_LEN;
xid->bqual_length= 0;
memset(xid->data, 0, sizeof(xid->data));
memcpy(xid->data, WSREP_XID_PREFIX, WSREP_XID_PREFIX_LEN);
memcpy(xid->data + WSREP_XID_UUID_OFFSET, uuid, sizeof(wsrep_uuid_t));
memcpy(xid->data + WSREP_XID_SEQNO_OFFSET, &seqno, sizeof(wsrep_seqno_t));
}
const wsrep_uuid_t* wsrep_xid_uuid(const XID* xid)
{
if (wsrep_is_wsrep_xid(xid))
return reinterpret_cast<const wsrep_uuid_t*>(xid->data
+ WSREP_XID_UUID_OFFSET);
else
return &WSREP_UUID_UNDEFINED;
}
wsrep_seqno_t wsrep_xid_seqno(const XID* xid)
{
if (wsrep_is_wsrep_xid(xid))
{
wsrep_seqno_t seqno;
memcpy(&seqno, xid->data + WSREP_XID_SEQNO_OFFSET, sizeof(wsrep_seqno_t));
return seqno;
}
else
{
return WSREP_SEQNO_UNDEFINED;
}
}
extern
int wsrep_is_wsrep_xid(const XID* xid)
{
return (xid->formatID == 1 &&
xid->gtrid_length == WSREP_XID_GTRID_LEN &&
xid->bqual_length == 0 &&
!memcmp(xid->data, WSREP_XID_PREFIX, WSREP_XID_PREFIX_LEN));
}