--- parser3/src/include/pa_common.h	2001/11/14 13:10:30	1.65
+++ parser3/src/include/pa_common.h	2002/08/01 11:26:46	1.78
@@ -1,30 +1,22 @@
 /** @file
 	Parser: commonly used functions.
 
-	Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
-	Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
-
-	$Id: pa_common.h,v 1.65 2001/11/14 13:10:30 paf Exp $
+	Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
+	Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
 */
 
 #ifndef PA_COMMON_H
 #define PA_COMMON_H
 
-#include "pa_config_includes.h"
+static const char* IDENT_COMMON_H="$Id: pa_common.h,v 1.78 2002/08/01 11:26:46 paf Exp $";
+
 #include "pa_pool.h"
 #include "pa_string.h"
 
 class Value;
 
-#if _MSC_VER
-// system one called "_snprintf"
-#else
-// remember system one
-inline int _vsnprintf(char *b, size_t s, const char *f, va_list l) { return snprintf(b, s, f, l); }
-#endif
-
 // replace system s*nprintf with our versions
-#undef vsnpritnf
+#undef vsnprintf 
 int __vsnprintf(char *, size_t, const char *, va_list);
 #define vsnprintf __vsnprintf 
 #undef snprintf
@@ -86,6 +78,8 @@ extern "C" double sign(double);
 inline double sign(double param) { return param > 0 ? 1 : ( param < 0 ? -1 : 0 ); }
 #endif
 
+/// yields to OS for secs secs and usecs milliseconds
+int pa_sleep(unsigned long secs, unsigned long usecs);
 
 /** under WIN32 "t" mode fixes DOS chars OK, 
 	can't say that about other systems/ line break styles
@@ -114,26 +108,41 @@ bool file_read(Pool& pool, const String&
 			   size_t offset=0, size_t limit=0);
 
 /**
-	write data to specified file using pool, 
+	lock specified file exclusively, 
+	do actions under lock.
+	throws an exception in case of problems
+	
+	if block=false does non-blocking lock
+	@returns true if locked OK, or false if non-blocking locking failed
+*/
+bool file_write_action_under_lock(
+				const String& file_spec, 
+				const char *action_name, void (*action)(int, void *), void *context=0,
+				bool as_text=false,
+				bool do_append=false,
+				bool do_block=true,
+				bool fail_on_lock_problem=true);
+
+/**
+	write data to specified file, 
 	throws an exception in case of problems
 */
-void file_write(Pool& pool, 
+void file_write(
 				const String& file_spec,
 				const void *data, size_t size, 
 				bool as_text,
-				bool do_append=false/*,
-				bool exclusive=false*/);
+				bool do_append=false);
 
 /**
 	delete specified file 
 	throws an exception in case of problems
 */
-void file_delete(Pool& pool, const String& file_spec);
+bool file_delete(const String& file_spec, bool fail_on_read_problem=true);
 /**
 	move specified file 
 	throws an exception in case of problems
 */
-void file_move(Pool& pool, const String& old_spec, const String& new_spec);
+void file_move(const String& old_spec, const String& new_spec);
 
 bool file_readable(const String& file_spec);
 bool dir_readable(const String& file_spec);
@@ -154,14 +163,16 @@ bool file_stat(const String& file_spec,
 	or to zero if no @a delim were found.
 */
 char *getrow(char **row_ref,char delim='\n');
-//char *lsplit(char *string, char delim);
+char *lsplit(char *string, char delim);
 char *lsplit(char **string_ref,char delim);
 char *rsplit(char *string, char delim);
 char *format(Pool& pool, double value, char *fmt);
 
 #ifndef max
-inline int max(int a,int b) { return a>b?a:b; }
-inline int min(int a,int b){ return a<b?a:b; }
+inline int max(int a, int b) { return a>b?a:b; }
+inline int min(int a, int b){ return a<b?a:b; }
+inline size_t max(size_t a, size_t b) { return a>b?a:b; }
+inline size_t min(size_t a, size_t b){ return a<b?a:b; }
 #endif
 
 size_t stdout_write(const void *buf, size_t size);