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| author | Filipe David Manana <[email protected]> | 2010-04-26 13:04:40 +0200 |
|---|---|---|
| committer | Raimo Niskanen <[email protected]> | 2010-05-20 15:48:17 +0200 |
| commit | 21a67b797e40df930b83bd407ffc165b3f4b91b2 (patch) | |
| tree | 268a10e8d1d4cd00c30d3f5ded8f103d9699167a /erts/emulator/drivers/common/erl_efile.h | |
| parent | 3f53a96a8bd0cd4a18f819b6857e6a764706ede5 (diff) | |
| download | otp-21a67b797e40df930b83bd407ffc165b3f4b91b2.tar.gz otp-21a67b797e40df930b83bd407ffc165b3f4b91b2.tar.bz2 otp-21a67b797e40df930b83bd407ffc165b3f4b91b2.zip | |
Add file:advise/4 - a wrapper to the POSIX syscall posix_fadvise
Useful for informing the Operating System about the access pattern
for a file's data, so that it can adapt the caching strategy to
maximize disk IO performance.
Diffstat (limited to 'erts/emulator/drivers/common/erl_efile.h')
| -rw-r--r-- | erts/emulator/drivers/common/erl_efile.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/erts/emulator/drivers/common/erl_efile.h b/erts/emulator/drivers/common/erl_efile.h index 6821a0e2ee..61684af6c9 100644 --- a/erts/emulator/drivers/common/erl_efile.h +++ b/erts/emulator/drivers/common/erl_efile.h @@ -151,3 +151,5 @@ int efile_altname(Efile_error* errInfo, char *name, int efile_link(Efile_error* errInfo, char* old, char* new); int efile_symlink(Efile_error* errInfo, char* old, char* new); int efile_may_openfile(Efile_error* errInfo, char *name); +int efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset, Sint64 length, + int advise); |