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Additional test cases with locking fixes. Also, make the code thread-safe. (CVS 262)

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FossilOrigin-Name: bd7d6a64afa03cc64f6537f828d6c94975bf5f02
This commit is contained in:
drh
2001-09-23 19:46:51 +00:00
parent ecdc7530dd
commit 90bfcdace3
9 changed files with 188 additions and 104 deletions
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18
src/os.c
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@@ -246,7 +246,7 @@ int sqliteOsTempFileName(char *zBuf){
sprintf(zBuf, "%s/sqlite_", zDir);
j = strlen(zBuf);
for(i=0; i<15; i++){
int n = sqliteRandomByte() % sizeof(zChars);
int n = rand() % sizeof(zChars);
zBuf[j++] = zChars[n];
}
zBuf[j] = 0;
@@ -264,7 +264,7 @@ int sqliteOsTempFileName(char *zBuf){
sprintf(zBuf, "%s/sqlite_", zTempPath);
j = strlen(zBuf);
for(i=0; i<15; i++){
int n = sqliteRandomByte() % sizeof(zChars);
int n = rand() % sizeof(zChars);
zBuf[j++] = zChars[n];
}
zBuf[j] = 0;
@@ -429,19 +429,23 @@ int sqliteOsUnlock(OsFile id){
** Get information to seed the random number generator.
*/
int sqliteOsRandomSeed(char *zBuf){
static int once = 1;
#if OS_UNIX
int pid;
time((time_t*)zBuf);
zBuf += sizeof(time_t);
pid = getpid();
memcpy(zBuf, &pid, sizeof(pid));
zBuf += pid;
return SQLITE_OK;
memcpy(&zBuf[sizeof(time_t)], &pid, sizeof(pid));
#endif
#if OS_WIN
GetSystemTime((LPSYSTEMTIME)zBuf);
#endif
if( once ){
int seed;
memcpy(&seed, zBuf, sizeof(seed));
srand(seed);
once = 0;
}
return SQLITE_OK;
#endif
}
/*