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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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18
manifest
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@@ -1,8 +1,8 @@
-----BEGIN PGP SIGNED MESSAGE----- -----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1 Hash: SHA1
C Updates\sto\sthe\spluggable\spage\scache\sdocumentation. C Patch\sto\sthe\snamed\ssemaphore\slocking\smechanism\sused\sby\sVxWorks.
D 2009-08-26T00:26:52 D 2009-08-27T17:56:21
F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0 F Makefile.arm-wince-mingw32ce-gcc fcd5e9cd67fe88836360bb4f9ef4cb7f8e2fb5a0
F Makefile.in 73ddeec9dd10b85876c5c2ce1fdce627e1dcc7f8 F Makefile.in 73ddeec9dd10b85876c5c2ce1fdce627e1dcc7f8
F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654 F Makefile.linux-gcc d53183f4aa6a9192d249731c90dbdffbd2c68654
@@ -147,7 +147,7 @@ F src/os.c 9fea283e336ee31caa4654d6cb05a129a1c42d2f
F src/os.h 00a1334a4eecee7f7bef79ac606b88d325119f21 F src/os.h 00a1334a4eecee7f7bef79ac606b88d325119f21
F src/os_common.h 8c61457df58f1a4bd5f5adc3e90e01b37bf7afbc F src/os_common.h 8c61457df58f1a4bd5f5adc3e90e01b37bf7afbc
F src/os_os2.c bed77dc26e3a95ce4a204936b9a1ca6fe612fcc5 F src/os_os2.c bed77dc26e3a95ce4a204936b9a1ca6fe612fcc5
F src/os_unix.c 96e2e409df8851a31fdb2d7430ad73fea7b0a104 F src/os_unix.c f14ff07aec3c3c0796e1a743d1bdafddc15d1af1
F src/os_win.c 58bb163f327e79726dd119344d908e4d98483c3f F src/os_win.c 58bb163f327e79726dd119344d908e4d98483c3f
F src/pager.c a47be286477ed6c7b9a342dd53d4e4043f29d8c2 F src/pager.c a47be286477ed6c7b9a342dd53d4e4043f29d8c2
F src/pager.h 11852d044c86cf5a9d6e34171fb0c4fcf1f6265f F src/pager.h 11852d044c86cf5a9d6e34171fb0c4fcf1f6265f
@@ -750,14 +750,14 @@ F tool/speedtest2.tcl ee2149167303ba8e95af97873c575c3e0fab58ff
F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224 F tool/speedtest8.c 2902c46588c40b55661e471d7a86e4dd71a18224
F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e F tool/speedtest8inst1.c 293327bc76823f473684d589a8160bde1f52c14e
F tool/vdbe-compress.tcl 672f81d693a03f80f5ae60bfefacd8a349e76746 F tool/vdbe-compress.tcl 672f81d693a03f80f5ae60bfefacd8a349e76746
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2
manifest.uuid
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@@ -1 +1 @@
3085ad7612e2c50a2d7906e82b2d057954d9c3f9 609c5341bea16e4e8bcd15388b209c753ca9e0bb

6
src/os_unix.c
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@@ -764,7 +764,7 @@ struct unixOpenCnt {
UnixUnusedFd *pUnused; /* Unused file descriptors to close */ UnixUnusedFd *pUnused; /* Unused file descriptors to close */
#if OS_VXWORKS #if OS_VXWORKS
sem_t *pSem; /* Named POSIX semaphore */ 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 #endif
struct unixOpenCnt *pNext, *pPrev; /* List of all unixOpenCnt objects */ struct unixOpenCnt *pNext, *pPrev; /* List of all unixOpenCnt objects */
}; };
@@ -3536,9 +3536,9 @@ static int fillInUnixFile(
if( (rc==SQLITE_OK) && (pNew->pOpen->pSem==NULL) ){ if( (rc==SQLITE_OK) && (pNew->pOpen->pSem==NULL) ){
char *zSemName = pNew->pOpen->aSemName; char *zSemName = pNew->pOpen->aSemName;
int n; int n;
sqlite3_snprintf(MAX_PATHNAME, zSemName, "%s.sem", sqlite3_snprintf(MAX_PATHNAME, zSemName, "/%s.sem",
pNew->pId->zCanonicalName); pNew->pId->zCanonicalName);
for( n=0; zSemName[n]; n++ ) for( n=1; zSemName[n]; n++ )
if( zSemName[n]=='/' ) zSemName[n] = '_'; if( zSemName[n]=='/' ) zSemName[n] = '_';
pNew->pOpen->pSem = sem_open(zSemName, O_CREAT, 0666, 1); pNew->pOpen->pSem = sem_open(zSemName, O_CREAT, 0666, 1);
if( pNew->pOpen->pSem == SEM_FAILED ){ if( pNew->pOpen->pSem == SEM_FAILED ){