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on Linux force fcntl/mmap based shared memory and on other systems

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force IPC/shmem based shared memory.
(This used to be commit ef5f752a4a)
This commit is contained in:
Andrew Tridgell 1998-12-15 03:16:24 +00:00
parent e67a8d9d98
commit 5377f7ab3b
1 changed files with 13 additions and 0 deletions
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13
source3/include/includes.h
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@ -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