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| author | Thomas de Zeeuw <thomasdezeeuw@gmail.com> | 2020-08-28 15:03:50 +0200 |
|---|---|---|
| committer | Thomas de Zeeuw <thomasdezeeuw@gmail.com> | 2020-08-28 15:03:50 +0200 |
| commit | 41fb480527921c00f42d11896d78e23d5000aad7 (patch) | |
| tree | fdaf31387e84d8d96dfe29e06a444db4d8e2413a | |
| parent | eb079df8827132a7e161d67ac94282bcba62d6f6 (diff) | |
| download | rust-libc-41fb480527921c00f42d11896d78e23d5000aad7.tar.gz | |
Add IOV_MAX and UIO_MAXIOV constants
These constant can be used to determine the maximum number of iovecs can
be passed to functions like readv/writev.
Linux like uses UIO_MAXIOV, while the BSD family uses IOV_MAX.
| -rw-r--r-- | src/unix/bsd/mod.rs | 2 | ||||
| -rw-r--r-- | src/unix/linux_like/mod.rs | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/src/unix/bsd/mod.rs b/src/unix/bsd/mod.rs index 1b55078d5a..9fa6b5dab4 100644 --- a/src/unix/bsd/mod.rs +++ b/src/unix/bsd/mod.rs @@ -254,6 +254,8 @@ pub const FIOGETOWN: ::c_ulong = 0x4004667b; pub const PATH_MAX: ::c_int = 1024; +pub const IOV_MAX: ::c_int = 1024; + pub const SA_ONSTACK: ::c_int = 0x0001; pub const SA_SIGINFO: ::c_int = 0x0040; pub const SA_RESTART: ::c_int = 0x0002; diff --git a/src/unix/linux_like/mod.rs b/src/unix/linux_like/mod.rs index e59ff5c622..2fc872b565 100644 --- a/src/unix/linux_like/mod.rs +++ b/src/unix/linux_like/mod.rs @@ -847,6 +847,8 @@ pub const SS_DISABLE: ::c_int = 2; pub const PATH_MAX: ::c_int = 4096; +pub const UIO_MAXIOV: ::c_int = 1024; + pub const FD_SETSIZE: usize = 1024; pub const EPOLLIN: ::c_int = 0x1; |