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Patch to the named semaphore locking mechanism used by VxWorks.

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FossilOrigin-Name: 609c5341bea16e4e8bcd15388b209c753ca9e0bb
This commit is contained in:
drh
2009-08-27 17:56:20 +00:00
parent 67fba28055
commit 2238dcccc7
3 changed files with 13 additions and 13 deletions
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6
src/os_unix.c
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@@ -764,7 +764,7 @@ struct unixOpenCnt {
UnixUnusedFd *pUnused; /* Unused file descriptors to close */
#if OS_VXWORKS
sem_t *pSem; /* Named POSIX semaphore */
char aSemName[MAX_PATHNAME+1]; /* Name of that semaphore */
char aSemName[MAX_PATHNAME+2]; /* Name of that semaphore */
#endif
struct unixOpenCnt *pNext, *pPrev; /* List of all unixOpenCnt objects */
};
@@ -3536,9 +3536,9 @@ static int fillInUnixFile(
if( (rc==SQLITE_OK) && (pNew->pOpen->pSem==NULL) ){
char *zSemName = pNew->pOpen->aSemName;
int n;
sqlite3_snprintf(MAX_PATHNAME, zSemName, "%s.sem",
sqlite3_snprintf(MAX_PATHNAME, zSemName, "/%s.sem",
pNew->pId->zCanonicalName);
for( n=0; zSemName[n]; n++ )
for( n=1; zSemName[n]; n++ )
if( zSemName[n]=='/' ) zSemName[n] = '_';
pNew->pOpen->pSem = sem_open(zSemName, O_CREAT, 0666, 1);
if( pNew->pOpen->pSem == SEM_FAILED ){