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Fix up preadv, preadv2, pwritev and pwritev2

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This commit is contained in:
Robin Voetter 2019-09-01 16:10:36 +02:00
parent e9d795b025
commit e7912dee9b
1 changed files with 36 additions and 6 deletions
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42
std/os/linux.zig
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@ -210,11 +210,26 @@ pub fn read(fd: i32, buf: [*]u8, count: usize) usize {
}
pub fn preadv(fd: i32, iov: [*]const iovec, count: usize, offset: u64) usize {
return syscall4(SYS_preadv, @bitCast(usize, isize(fd)), @ptrToInt(iov), count, offset);
return syscall5(
SYS_preadv,
@bitCast(usize, isize(fd)),
@ptrToInt(iov),
count,
@truncate(usize, offset),
@truncate(usize, offset >> 32),
);
}
pub fn preadv2(fd: i32, iov: [*]const iovec, count: usize, offset: u64, flags: kernel_rwf) usize {
return syscall5(SYS_preadv2, @bitCast(usize, isize(fd)), @ptrToInt(iov), count, offset, flags);
return syscall6(
SYS_preadv2,
@bitCast(usize, isize(fd)),
@ptrToInt(iov),
count,
@truncate(usize, offset),
@truncate(usize, offset >> 32),
flags
);
}
pub fn readv(fd: i32, iov: [*]const iovec, count: usize) usize {
@ -226,11 +241,26 @@ pub fn writev(fd: i32, iov: [*]const iovec_const, count: usize) usize {
}
pub fn pwritev(fd: i32, iov: [*]const iovec_const, count: usize, offset: u64) usize {
return syscall4(SYS_pwritev, @bitCast(usize, isize(fd)), @ptrToInt(iov), count, offset);
return syscall5(
SYS_pwritev,
@bitCast(usize, isize(fd)),
@ptrToInt(iov),
count,
@truncate(usize, offset),
@truncate(usize, offset >> 32),
);
}
pub fn pwritev2(fd: i32, iov: [*]const iovec_const, count: usize, offset: u64, flags: kernel_rwf) usize {
return syscall5(SYS_pwritev2, @bitCast(usize, isize(fd)), @ptrToInt(iov), count, offset, flags);
return syscall6(
SYS_pwritev2,
@bitCast(usize, isize(fd)),
@ptrToInt(iov),
count,
@truncate(usize, offset),
@truncate(usize, offset >> 32),
flags
);
}
// TODO https://github.com/ziglang/zig/issues/265
@ -503,9 +533,9 @@ pub fn setgid(gid: u32) usize {
pub fn setreuid(ruid: u32, euid: u32) usize {
if (@hasDecl(@This(), "SYS_setreuid32")) {
return syscall2(SYS_setreuid32, ruid, euid));
return syscall2(SYS_setreuid32, ruid, euid);
} else {
return syscall2(SYS_setreuid, ruid, euid));
return syscall2(SYS_setreuid, ruid, euid);
}
}