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Add preadv/pwritev.

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Bug: http://b/12612572
Change-Id: I38ff2684d69bd0fe3f21b1d371b88fa60d5421cb
This commit is contained in:
Elliott Hughes
2015-08-26 13:27:43 -07:00
parent 629ed51712
commit 6f4594d5dc
17 changed files with 384 additions and 2 deletions
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10
libc/SYSCALLS.TXT
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@@ -94,6 +94,16 @@ ssize_t pread64(int, void*, size_t, off64_t) arm,mips,x86
ssize_t pread64|pread(int, void*, size_t, off_t) arm64,mips64,x86_64
ssize_t pwrite64(int, void*, size_t, off64_t) arm,mips,x86
ssize_t pwrite64|pwrite(int, void*, size_t, off_t) arm64,mips64,x86_64
# On LP32, preadv/pwritev don't use off64_t --- they use pairs of 32-bit
# arguments to avoid problems on architectures like ARM where 64-bit arguments
# must be in a register pair starting with an even-numbered register.
# See linux/fs/read_write.c and https://lwn.net/Articles/311630/.
ssize_t __preadv64:preadv(int, const struct iovec*, int, long, long) arm,mips,x86
ssize_t preadv|preadv64(int, const struct iovec*, int, off_t) arm64,mips64,x86_64
ssize_t __pwritev64:pwritev(int, const struct iovec*, int, long, long) arm,mips,x86
ssize_t pwritev|pwritev64(int, const struct iovec*, int, off_t) arm64,mips64,x86_64
int ___close:close(int) all
pid_t __getpid:getpid() all
int munmap(void*, size_t) all