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author | Rich Felker <dalias@aerifal.cx> | 2012-09-08 00:40:37 -0400 |
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committer | Rich Felker <dalias@aerifal.cx> | 2012-09-08 00:40:37 -0400 |
commit | 90f770523f54b2e63a6ad46cba0149c9dc01ddd4 (patch) | |
tree | 1187fc337d15606cc03a66f59ed6085564252427 | |
parent | adb88e773b3897fa222b5d1bb8e46b2d6b424214 (diff) | |
download | musl-90f770523f54b2e63a6ad46cba0149c9dc01ddd4.tar.gz |
add linux readahead syscall
-rw-r--r-- | include/fcntl.h | 1 | ||||
-rw-r--r-- | src/linux/readahead.c | 8 |
2 files changed, 9 insertions, 0 deletions
diff --git a/include/fcntl.h b/include/fcntl.h index 68baf7a2..b8d8702e 100644 --- a/include/fcntl.h +++ b/include/fcntl.h @@ -123,6 +123,7 @@ struct f_owner_ex { #define SPLICE_F_MORE 4 #define SPLICE_F_GIFT 8 int fallocate(int, int, off_t, off_t); +ssize_t readahead(int, off_t, size_t); ssize_t vmsplice(int, const struct iovec *, size_t, unsigned); ssize_t splice(int, off_t *, int, off_t *, size_t, unsigned); #define loff_t off_t diff --git a/src/linux/readahead.c b/src/linux/readahead.c new file mode 100644 index 00000000..5c70bfd6 --- /dev/null +++ b/src/linux/readahead.c @@ -0,0 +1,8 @@ +#define _GNU_SOURCE +#include <fcntl.h> +#include "syscall.h" + +ssize_t readahead(int fd, off_t pos, size_t len) +{ + return syscall(SYS_readahead, fd, __SYSCALL_LL_O(pos), len); +} |