openbsd-ports/databases/sqlite3/patches/patch-src_os_unix_c
martynas bacf4396a9 update to sqlite3-3.6.11. fixes null ptr deref in sqlite3OsTruncate
addColumn;  which broke py stuff
noticed with fgs@ while working on the py stuff
much thanks to bernd@;  for doing a bulk build with it
ok fgs@, bernd@, simon@
2009-04-05 00:02:53 +00:00

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$OpenBSD: patch-src_os_unix_c,v 1.7 2009/04/05 00:02:54 martynas Exp $
--- src/os_unix.c.orig Sun Feb 15 15:07:09 2009
+++ src/os_unix.c Mon Mar 23 12:53:43 2009
@@ -111,6 +111,14 @@
# define _LARGEFILE_SOURCE 1
#endif
+/* PRNG device to use */
+#ifdef __OpenBSD__
+#define RAND_DEV "/dev/arandom"
+#else
+#define RAND_DEV "/dev/urandom"
+#endif
+
+
/*
** standard include files.
*/
@@ -141,6 +149,9 @@
#if SQLITE_THREADSAFE
# include <pthread.h>
# define SQLITE_UNIX_THREADS 1
+# if SQLITE_THREAD_OVERRIDE_LOCK != 1 || defined(SQLITE_TEST)
+# define SQLITE_NEED_TID_CHECKS 1
+# endif
#endif
/*
@@ -186,7 +197,7 @@ struct unixFile {
#if SQLITE_ENABLE_LOCKING_STYLE
int openFlags; /* The flags specified at open() */
#endif
-#if SQLITE_THREADSAFE && defined(__linux__)
+#if SQLITE_NEED_TID_CHECKS
pthread_t tid; /* The thread that "owns" this unixFile */
#endif
#if OS_VXWORKS
@@ -254,7 +265,7 @@ struct unixFile {
** The threadid macro resolves to the thread-id or to 0. Used for
** testing and debugging only.
*/
-#if SQLITE_THREADSAFE
+#if SQLITE_NEED_TID_CHECKS
#define threadid pthread_self()
#else
#define threadid 0
@@ -664,7 +675,7 @@ static void vxworksReleaseFileId(struct vxworksFileId
** recomputed because its key includes the thread-id. See the
** transferOwnership() function below for additional information
*/
-#if SQLITE_THREADSAFE && defined(__linux__)
+#if SQLITE_NEED_TID_CHECKS
# define SET_THREADID(X) (X)->tid = pthread_self()
# define CHECK_THREADID(X) (threadsOverrideEachOthersLocks==0 && \
!pthread_equal((X)->tid, pthread_self()))
@@ -699,7 +710,7 @@ struct unixFileId {
*/
struct unixLockKey {
struct unixFileId fid; /* Unique identifier for the file */
-#if SQLITE_THREADSAFE && defined(__linux__)
+#if SQLITE_NEED_TID_CHECKS
pthread_t tid; /* Thread ID of lock owner. Zero if not using LinuxThreads */
#endif
};
@@ -774,7 +785,7 @@ static struct unixOpenCnt *openList = 0;
** it a global so that the test code can change its value in order to verify
** that the right stuff happens in either case.
*/
-#if SQLITE_THREADSAFE && defined(__linux__)
+#if SQLITE_NEED_TID_CHECKS
# ifndef SQLITE_THREAD_OVERRIDE_LOCK
# define SQLITE_THREAD_OVERRIDE_LOCK -1
# endif
@@ -795,7 +806,7 @@ struct threadTestData {
int result; /* Result of the locking operation */
};
-#if SQLITE_THREADSAFE && defined(__linux__)
+#if SQLITE_NEED_TID_CHECKS
/*
** This function is used as the main routine for a thread launched by
** testThreadLockingBehavior(). It tests whether the shared-lock obtained
@@ -813,7 +824,7 @@ static void *threadLockingTest(void *pArg){
#endif /* SQLITE_THREADSAFE && defined(__linux__) */
-#if SQLITE_THREADSAFE && defined(__linux__)
+#if SQLITE_NEED_TID_CHECKS
/*
** This procedure attempts to determine whether or not threads
** can override each others locks then sets the
@@ -958,7 +969,7 @@ static int findLockInfo(
#else
lockKey.fid.ino = statbuf.st_ino;
#endif
-#if SQLITE_THREADSAFE && defined(__linux__)
+#if SQLITE_NEED_TID_CHECKS
if( threadsOverrideEachOthersLocks<0 ){
testThreadLockingBehavior(fd);
}
@@ -1035,7 +1046,7 @@ exit_findlockinfo:
** If the unixFile is locked and an ownership is wrong, then return
** SQLITE_MISUSE. SQLITE_OK is returned if everything works.
*/
-#if SQLITE_THREADSAFE && defined(__linux__)
+#if SQLITE_NEED_TID_CHECKS
static int transferOwnership(unixFile *pFile){
int rc;
pthread_t hSelf;
@@ -3950,7 +3961,7 @@ static int unixRandomness(sqlite3_vfs *NotUsed, int nB
#if !defined(SQLITE_TEST)
{
int pid, fd;
- fd = open("/dev/urandom", O_RDONLY);
+ fd = open(RAND_DEV, O_RDONLY);
if( fd<0 ){
time_t t;
time(&t);
@@ -4253,7 +4264,7 @@ static int proxyGenerateHostID(char *pHostID){
memset(key, 0, HOSTIDLEN);
len = 0;
- fd = open("/dev/urandom", O_RDONLY);
+ fd = open(RAND_DEV, O_RDONLY);
if( fd>=0 ){
len = read(fd, key, HOSTIDLEN);
close(fd); /* silently leak the fd if it fails */