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tweak mdb_copy, trap signals

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This commit is contained in:
Howard Chu 2013-05-30 15:56:30 -07:00
parent d29b9600e6
commit 65faa5ed7e
2 changed files with 22 additions and 6 deletions
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5
libraries/liblmdb/mdb_copy.1
View File

@ -18,11 +18,6 @@ is specified it must be the path of an empty directory
for storing the backup. Otherwise, the backup will be
written to stdout.
Note: currently, if the copy is interrupted a stale lock
will be left in the LMDB environment. This may be fixed
in a future release, but until then you must not
interrupt the copy process.
.SH DIAGNOSTICS
Exit status is zero if no errors occur.
Errors result in a non-zero exit status and

23
libraries/liblmdb/mdb_copy.c
View File

@ -11,10 +11,22 @@
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
#ifdef _WIN32
#include <windows.h>
#define MDB_STDOUT GetStdHandle(STD_OUTPUT_HANDLE)
#else
#define MDB_STDOUT 1
#endif
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include "lmdb.h"
static void
sighandle(int sig)
{
}
int main(int argc,char * argv[])
{
int rc;
@ -26,6 +38,15 @@ int main(int argc,char * argv[])
exit(EXIT_FAILURE);
}
#ifdef SIGPIPE
signal(SIGPIPE, sighandle);
#endif
#ifdef SIGHUP
signal(SIGHUP, sighandle);
#endif
signal(SIGINT, sighandle);
signal(SIGTERM, sighandle);
rc = mdb_env_create(&env);
rc = mdb_env_open(env, envname, MDB_RDONLY, 0);
@ -33,7 +54,7 @@ int main(int argc,char * argv[])
printf("mdb_env_open failed, error %d %s\n", rc, mdb_strerror(rc));
} else {
if (argc == 2)
rc = mdb_env_copyfd(env, 1);
rc = mdb_env_copyfd(env, MDB_STDOUT);
else
rc = mdb_env_copy(env, argv[2]);
if (rc)