Changeset 27597 for main

Timestamp:

2013-06-12T09:32:20+12:00 (11 years ago)

Author:

davidb

Message:

Additional header file included -- to help with finding the Unix mkdir function

File:

• main/trunk/greenstone2/common-src/src/gdbmedit/db2txt/db2txt.cpp (modified) (2 diffs)

main/trunk/greenstone2/common-src/src/gdbmedit/db2txt/db2txt.cpp

@@ -31 +31 @@
 
 #else
+
+/* header file for mkdir */
+#include <sys/stat.h>
+
 #include <gdbm.h>
 #endif
@@ -57 +61 @@
   cerr << "usage: " << program_name << " database-name" << endl << endl;
 }
+
+
+#ifdef _MSC32_
+// Windows implementation
+HANDLE hFile = CreateFile(_T("c:\\file.txt"), GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, NULL);
+
+#else
+// assume Unix
+// lock a file on linux
+// [hs, 2 july 2010]
+// - modified to create a locl file local to the collection [jmt12]
+int lock ()
+{
+  string file_path ("");
+  char *collect_dir = getenv ("GSDLCOLLECTDIR");
+  if (collect_dir != NULL)
+  {
+    file_path += collect_dir;
+  }
+  file_path += "/tmp";
+  if ( access( file_path.c_str(), 00 ) != 0 )
+  {
+    mkdir(file_path.c_str(), 00777);
+  }
+  file_path += "/gdb.lock";
+  ///out << "txt2dbl::lock(" << file_path << ") => ";
+  int fd2 = open (file_path.c_str(), O_CREAT|O_RDWR, 00644);
+  close (fd2);
+  int fd = open (file_path.c_str(), O_RDWR);
+  flock lock = {F_WRLCK, SEEK_SET, 0, 0, 0};
+  fcntl (fd, F_SETLKW, &lock);
+  ///out << "locked!" << endl;
+  return fd;
+}
+
+// unlock a file on linux
+// [hs, 2 july 2010]
+int unlock ( int fd )
+{
+  flock lock1 = {F_UNLCK, SEEK_SET, 0, 0, 0};
+  fcntl (fd, F_SETLKW, &lock1);
+  return 0;
+}
+#endif