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Diffstat (limited to 'src/third_party/wiredtiger/examples/c/ex_process.c')
-rw-r--r-- | src/third_party/wiredtiger/examples/c/ex_process.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/examples/c/ex_process.c b/src/third_party/wiredtiger/examples/c/ex_process.c new file mode 100644 index 00000000000..a601395bb9c --- /dev/null +++ b/src/third_party/wiredtiger/examples/c/ex_process.c @@ -0,0 +1,79 @@ +/*- + * Public Domain 2014-2015 MongoDB, Inc. + * Public Domain 2008-2014 WiredTiger, Inc. + * + * This is free and unencumbered software released into the public domain. + * + * Anyone is free to copy, modify, publish, use, compile, sell, or + * distribute this software, either in source code form or as a compiled + * binary, for any purpose, commercial or non-commercial, and by any + * means. + * + * In jurisdictions that recognize copyright laws, the author or authors + * of this software dedicate any and all copyright interest in the + * software to the public domain. We make this dedication for the benefit + * of the public at large and to the detriment of our heirs and + * successors. We intend this dedication to be an overt act of + * relinquishment in perpetuity of all present and future rights to this + * software under copyright law. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * ex_process.c + * This is an example demonstrating how to connect to a database from + * multiple processes. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include <wiredtiger.h> + +static const char *home; + +int +main(void) +{ + int ret; + WT_CONNECTION *conn; + WT_SESSION *session; + + /* + * Create a clean test directory for this run of the test program if the + * environment variable isn't already set (as is done by make check). + */ + if (getenv("WIREDTIGER_HOME") == NULL) { + home = "WT_HOME"; + ret = system("rm -rf WT_HOME && mkdir WT_HOME"); + } else + home = NULL; + + /*! [processes] */ + /* Open a connection to the database, creating it if necessary. */ + if ((ret = + wiredtiger_open(home, NULL, "create,multiprocess", &conn)) != 0) + fprintf(stderr, "Error connecting to %s: %s\n", + home, wiredtiger_strerror(ret)); + + /* Open a session for the current thread's work. */ + if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0) + fprintf(stderr, "Error opening a session on %s: %s\n", + home, wiredtiger_strerror(ret)); + + /* XXX Do some work... */ + + /* Note: closing the connection implicitly closes open session(s). */ + if ((ret = conn->close(conn, NULL)) != 0) + fprintf(stderr, "Error closing %s: %s\n", + home, wiredtiger_strerror(ret)); + /*! [processes] */ + + return (ret); +} |