From 6725fd6aef0465fd96e0de0a4d073bfc8b528f40 Mon Sep 17 00:00:00 2001
From: Greg V <greg@unrelenting.technology>
Date: Thu, 4 Jan 2018 02:40:12 +0300
Subject: [PATCH] Add FreeBSD process descriptors API
Available since FreeBSD 9.0, this API allows using local descriptors
instead of global PIDs. It works in Capsicum sandboxes.
---
libc-test/build.rs | 1 +
src/unix/bsd/freebsdlike/freebsd/mod.rs | 9 +++++++++
2 files changed, 10 insertions(+)
diff --git a/libc-test/build.rs b/libc-test/build.rs
index 26df46f9..885ae868 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -287,6 +287,7 @@ fn main() {
cfg.header("sys/ipc.h");
cfg.header("sys/msg.h");
cfg.header("sys/shm.h");
+ cfg.header("sys/procdesc.h");
}
if netbsd {
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 6c6935d5..5afb42aa 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -841,6 +841,11 @@ pub const _SC_CPUSET_SIZE: ::c_int = 122;
pub const XU_NGROUPS: ::c_int = 16;
pub const XUCRED_VERSION: ::c_uint = 0;
+// Flags which can be passed to pdfork(2)
+pub const PD_DAEMON: ::c_int = 0x00000001;
+pub const PD_CLOEXEC: ::c_int = 0x00000002;
+pub const PD_ALLOWED_AT_FORK: ::c_int = PD_DAEMON | PD_CLOEXEC;
+
extern {
pub fn __error() -> *mut ::c_int;
@@ -896,6 +901,10 @@ extern {
pub fn fexecve(fd: ::c_int, argv: *const *const ::c_char,
envp: *const *const ::c_char)
-> ::c_int;
+
+ pub fn pdfork(fdp: *mut ::c_int, flags: ::c_int) -> ::pid_t;
+ pub fn pdgetpid(fd: ::c_int, pidp: *mut ::pid_t) -> ::c_int;
+ pub fn pdkill(fd: ::c_int, signum: ::c_int) -> ::c_int;
}
cfg_if! {
--
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