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Trying to get the OS abstraction layer to work. (CVS 256)

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FossilOrigin-Name: abff526d005b3b46904de091753cc79548739ad8
This commit is contained in:
drh
2001-09-19 13:22:39 +00:00
parent db5ed6d55d
commit 8cfbf08ffa
9 changed files with 343 additions and 257 deletions
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20
src/main.c
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@@ -14,12 +14,10 @@
** other files are for internal use by SQLite and should not be
** accessed by users of the library.
**
** $Id: main.c,v 1.38 2001/09/17 20:25:58 drh Exp $
** $Id: main.c,v 1.39 2001/09/19 13:22:40 drh Exp $
*/
#include "sqliteInt.h"
#if defined(HAVE_USLEEP) && HAVE_USLEEP
#include <unistd.h>
#endif
#include "os.h"
/*
** This is the callback routine for the code that initializes the
@@ -428,8 +426,8 @@ static int sqliteDefaultBusyCallback(
const char *NotUsed, /* The name of the table that is busy */
int count /* Number of times table has been busy */
){
#if defined(HAVE_USLEEP) && HAVE_USLEEP
int delay = 10000;
#if SQLITE_MIN_SLEEP_MS==1
int delay = 10;
int prior_delay = 0;
int timeout = (int)Timeout;
int i;
@@ -437,9 +435,9 @@ static int sqliteDefaultBusyCallback(
for(i=1; i<count; i++){
prior_delay += delay;
delay = delay*2;
if( delay>=1000000 ){
delay = 1000000;
prior_delay += 1000000*(count - i - 1);
if( delay>=1000 ){
delay = 1000;
prior_delay += 1000*(count - i - 1);
break;
}
}
@@ -447,14 +445,14 @@ static int sqliteDefaultBusyCallback(
delay = timeout*1000 - prior_delay;
if( delay<=0 ) return 0;
}
usleep(delay);
sqliteOsSleep(delay);
return 1;
#else
int timeout = (int)Timeout;
if( (count+1)*1000 > timeout ){
return 0;
}
sleep(1);
sqliteOsSleep(1000);
return 1;
#endif
}