From: drh <drh@noemail.net>
Date: Thu, 29 Mar 2007 20:19:58 +0000 (+0000)
Subject: Assume any return code from fcntl() other than -1 is success.  Formerly we
X-Git-Tag: version-3.6.10~2416
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e2396a10902c3de388c084ebc5728078f24c36d9;p=thirdparty%2Fsqlite.git

Assume any return code from fcntl() other than -1 is success.  Formerly we
only assumed that 0 was success.  Ticket #2173. (CVS 3754)

FossilOrigin-Name: 8d0073c0e8408558dae39f789ac3fa2622b52365
---

diff --git a/manifest b/manifest
index 4e48963e1b..6ff206dd1b 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Fix\sto\stoken\sdestructors\sin\sLemon.\s\sThis\sdoes\snot\simpact\sSQLite.\s\sTicket\s#2175.\s(CVS\s3753)
-D 2007-03-29T20:13:53
+C Assume\sany\sreturn\scode\sfrom\sfcntl()\sother\sthan\s-1\sis\ssuccess.\s\sFormerly\swe\nonly\sassumed\sthat\s0\swas\ssuccess.\s\sTicket\s#2173.\s(CVS\s3754)
+D 2007-03-29T20:19:59
 F Makefile.in 2f2c3bf69faf0ae7b8e8af4f94f1986849034530
 F Makefile.linux-gcc 2d8574d1ba75f129aba2019f0b959db380a90935
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -82,7 +82,7 @@ F src/os_os2.c 313ece302183dfd83c4f281e1972656b7e6b672e
 F src/os_os2.h e5f17dd69333632bbc3112881ea407c37d245eb3
 F src/os_test.c 49833426101f99aee4bb5f6a44b7c4b2029fda1c
 F src/os_test.h 903c93554c23d88f34f667f1979e4a1cee792af3
-F src/os_unix.c 5f7ee6c930084bcae48fd2caf4f73011d2c0795b
+F src/os_unix.c fe0c0175036a5fb40124480771895ba524efa132
 F src/os_unix.h 5768d56d28240d3fe4537fac08cc85e4fb52279e
 F src/os_win.c d6cb36287a13a75cbf0b7084399c7884a96c4340
 F src/os_win.h 41a946bea10f61c158ce8645e7646b29d44f122b
@@ -447,7 +447,7 @@ F www/tclsqlite.tcl bb0d1357328a42b1993d78573e587c6dcbc964b9
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl 97e2b5cd296f7d8057e11f44427dea8a4c2db513
-P 3111b43ec333f3342f9609bf441160040f3d1501
-R c72df6846ce8cb719dc4f7dfcd4ac498
+P 6195af49828bf04b61d24f116339780d3eb926a1
+R 79d0ea3ee011e976af26b5841e567527
 U drh
-Z 3611f69426c7b55a3a9f2aa24567568b
+Z debf887eb36a11345fb4f0356547effd
diff --git a/manifest.uuid b/manifest.uuid
index 595a70dc34..68903058b7 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-6195af49828bf04b61d24f116339780d3eb926a1
\ No newline at end of file
+8d0073c0e8408558dae39f789ac3fa2622b52365
\ No newline at end of file
diff --git a/src/os_unix.c b/src/os_unix.c
index fc759d8017..19eb99fec3 100644
--- a/src/os_unix.c
+++ b/src/os_unix.c
@@ -457,7 +457,7 @@ static int lockTrace(int fd, int op, struct flock *p){
   sqlite3DebugPrintf("fcntl %d %d %s %s %d %d %d %d\n",
      threadid, fd, zOpName, zType, (int)p->l_start, (int)p->l_len,
      (int)p->l_pid, s);
-  if( s && op==F_SETLK && (p->l_type==F_RDLCK || p->l_type==F_WRLCK) ){
+  if( s==(-1) && op==F_SETLK && (p->l_type==F_RDLCK || p->l_type==F_WRLCK) ){
     struct flock l2;
     l2 = *p;
     fcntl(fd, F_GETLK, &l2);
@@ -1484,7 +1484,7 @@ static int unixLock(OsFile *id, int locktype){
     lock.l_type = (locktype==SHARED_LOCK?F_RDLCK:F_WRLCK);
     lock.l_start = PENDING_BYTE;
     s = fcntl(pFile->h, F_SETLK, &lock);
-    if( s ){
+    if( s==(-1) ){
       rc = (errno==EINVAL) ? SQLITE_NOLFS : SQLITE_BUSY;
       goto end_lock;
     }
@@ -1511,7 +1511,7 @@ static int unixLock(OsFile *id, int locktype){
       rc = SQLITE_IOERR_UNLOCK;  /* This should never happen */
       goto end_lock;
     }
-    if( s ){
+    if( s==(-1) ){
       rc = (errno==EINVAL) ? SQLITE_NOLFS : SQLITE_BUSY;
     }else{
       pFile->locktype = SHARED_LOCK;
@@ -1541,7 +1541,7 @@ static int unixLock(OsFile *id, int locktype){
         assert(0);
     }
     s = fcntl(pFile->h, F_SETLK, &lock);
-    if( s ){
+    if( s==(-1) ){
       rc = (errno==EINVAL) ? SQLITE_NOLFS : SQLITE_BUSY;
     }
   }
@@ -1595,7 +1595,7 @@ static int unixUnlock(OsFile *id, int locktype){
       lock.l_whence = SEEK_SET;
       lock.l_start = SHARED_FIRST;
       lock.l_len = SHARED_SIZE;
-      if( fcntl(pFile->h, F_SETLK, &lock)!=0 ){
+      if( fcntl(pFile->h, F_SETLK, &lock)==(-1) ){
         /* This should never happen */
         rc = SQLITE_IOERR_RDLOCK;
       }
@@ -1604,7 +1604,7 @@ static int unixUnlock(OsFile *id, int locktype){
     lock.l_whence = SEEK_SET;
     lock.l_start = PENDING_BYTE;
     lock.l_len = 2L;  assert( PENDING_BYTE+1==RESERVED_BYTE );
-    if( fcntl(pFile->h, F_SETLK, &lock)==0 ){
+    if( fcntl(pFile->h, F_SETLK, &lock)!=(-1) ){
       pLock->locktype = SHARED_LOCK;
     }else{
       rc = SQLITE_IOERR_UNLOCK;  /* This should never happen */
@@ -1622,7 +1622,7 @@ static int unixUnlock(OsFile *id, int locktype){
       lock.l_type = F_UNLCK;
       lock.l_whence = SEEK_SET;
       lock.l_start = lock.l_len = 0L;
-      if( fcntl(pFile->h, F_SETLK, &lock)==0 ){
+      if( fcntl(pFile->h, F_SETLK, &lock)!=(-1) ){
         pLock->locktype = NO_LOCK;
       }else{
         rc = SQLITE_IOERR_UNLOCK;  /* This should never happen */