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Use libc::accept4 on Android instead of raw syscall. #82473

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merged 2 commits into from
Feb 27, 2021
Merged

Use libc::accept4 on Android instead of raw syscall. #82473

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3ac62ca
Use libc::accept4 on Android instead of raw syscall.
de-vri-es Feb 24, 2021
f291131
Bump minimum libc version to 0.2.85 for std.
de-vri-es Feb 24, 2021
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2 changes: 1 addition & 1 deletion library/std/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -16,7 +16,7 @@ cfg-if = { version = "0.1.8", features = ['rustc-dep-of-std'] }
panic_unwind = { path = "../panic_unwind", optional = true }
panic_abort = { path = "../panic_abort" }
core = { path = "../core" }
libc = { version = "0.2.79", default-features = false, features = ['rustc-dep-of-std'] }
libc = { version = "0.2.85", default-features = false, features = ['rustc-dep-of-std'] }
compiler_builtins = { version = "0.1.39" }
profiler_builtins = { path = "../profiler_builtins", optional = true }
unwind = { path = "../unwind" }
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8 changes: 1 addition & 7 deletions library/std/src/sys/unix/net.rs
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Expand Up @@ -195,6 +195,7 @@ impl Socket {
// glibc 2.10 and musl 0.9.5.
cfg_if::cfg_if! {
if #[cfg(any(
target_os = "android",
target_os = "dragonfly",
target_os = "freebsd",
target_os = "illumos",
Expand All @@ -206,13 +207,6 @@ impl Socket {
libc::accept4(self.0.raw(), storage, len, libc::SOCK_CLOEXEC)
})?;
Ok(Socket(FileDesc::new(fd)))
// While the Android kernel supports the syscall,
// it is not included in all versions of Android's libc.
} else if #[cfg(target_os = "android")] {
let fd = cvt_r(|| unsafe {
libc::syscall(libc::SYS_accept4, self.0.raw(), storage, len, libc::SOCK_CLOEXEC)
})?;
Ok(Socket(FileDesc::new(fd as c_int)))
} else {
let fd = cvt_r(|| unsafe { libc::accept(self.0.raw(), storage, len) })?;
let fd = FileDesc::new(fd);
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