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| author | Andrew Tridgell <tridge@samba.org> | 1998-12-15 03:16:24 +0000 |
|---|---|---|
| committer | Andrew Tridgell <tridge@samba.org> | 1998-12-15 03:16:24 +0000 |
| commit | 5377f7ab3b05a2d56d73f6721c4db5cd41d859dc (patch) | |
| tree | e9ff74491331786bf7542be85dad949d19ad0c24 /source3/include/includes.h | |
| parent | e67a8d9d984dbdef307294358d7d9a7f4314ea09 (diff) | |
| download | samba-5377f7ab3b05a2d56d73f6721c4db5cd41d859dc.tar.gz samba-5377f7ab3b05a2d56d73f6721c4db5cd41d859dc.tar.bz2 samba-5377f7ab3b05a2d56d73f6721c4db5cd41d859dc.zip | |
on Linux force fcntl/mmap based shared memory and on other systems
force IPC/shmem based shared memory.
(This used to be commit ef5f752a4ae818d9c739a064410a02fa48a477e3)
Diffstat (limited to 'source3/include/includes.h')
| -rw-r--r-- | source3/include/includes.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/source3/include/includes.h b/source3/include/includes.h index 58c6ee01bd..824a5bde5d 100644 --- a/source3/include/includes.h +++ b/source3/include/includes.h @@ -46,6 +46,19 @@ #endif +/* if we have both SYSV IPC and shared mmap then we need to choose. For most + systems it is much faster to use SYSV IPC, but under Linux it is + about 5 times faster to use fcntl, so for Linux systems we force + fcntl based locking */ +#if (defined(HAVE_SYSV_IPC) && defined(HAVE_SHARED_MMAP)) +# ifdef LINUX +# undef HAVE_SYSV_IPC +# else +# undef HAVE_SHARED_MMAP +# endif +#endif + + #include <sys/types.h> #ifdef TIME_WITH_SYS_TIME |