Auto merge of #2786 - Freaky:openbsd_kinfo_proc, r=Amanieu

Add OpenBSD kinfo_proc struct

libc-test/semver/openbsd.txt

@@ -1042,6 +1042,7 @@ jrand48
 kevent
 key_t
 killpg
+kinfo_proc
 kinfo_vmentry
 kqueue
 labs

src/unix/bsd/netbsdlike/openbsd/mod.rs

@@ -403,6 +403,103 @@ s! {
     }
 
     // sys/sysctl.h
+    pub struct kinfo_proc {
+        pub p_forw: u64,
+        pub p_back: u64,
+        pub p_paddr: u64,
+        pub p_addr: u64,
+        pub p_fd: u64,
+        pub p_stats: u64,
+        pub p_limit: u64,
+        pub p_vmspace: u64,
+        pub p_sigacts: u64,
+        pub p_sess: u64,
+        pub p_tsess: u64,
+        pub p_ru: u64,
+        pub p_eflag: i32,
+        pub p_exitsig: i32,
+        pub p_flag: i32,
+        pub p_pid: i32,
+        pub p_ppid: i32,
+        pub p_sid: i32,
+        pub p__pgid: i32,
+        pub p_tpgid: i32,
+        pub p_uid: u32,
+        pub p_ruid: u32,
+        pub p_gid: u32,
+        pub p_rgid: u32,
+        pub p_groups: [u32; KI_NGROUPS as usize],
+        pub p_ngroups: i16,
+        pub p_jobc: i16,
+        pub p_tdev: u32,
+        pub p_estcpu: u32,
+        pub p_rtime_sec: u32,
+        pub p_rtime_usec: u32,
+        pub p_cpticks: i32,
+        pub p_pctcpu: u32,
+        pub p_swtime: u32,
+        pub p_slptime: u32,
+        pub p_schedflags: i32,
+        pub p_uticks: u64,
+        pub p_sticks: u64,
+        pub p_iticks: u64,
+        pub p_tracep: u64,
+        pub p_traceflag: i32,
+        pub p_holdcnt: i32,
+        pub p_siglist: i32,
+        pub p_sigmask: u32,
+        pub p_sigignore: u32,
+        pub p_sigcatch: u32,
+        pub p_stat: i8,
+        pub p_priority: u8,
+        pub p_usrpri: u8,
+        pub p_nice: u8,
+        pub p_xstat: u16,
+        pub p_spare: u16,
+        pub p_comm: [::c_char; KI_MAXCOMLEN as usize],
+        pub p_wmesg: [::c_char; KI_WMESGLEN as usize],
+        pub p_wchan: u64,
+        pub p_login: [::c_char; KI_MAXLOGNAME as usize],
+        pub p_vm_rssize: i32,
+        pub p_vm_tsize: i32,
+        pub p_vm_dsize: i32,
+        pub p_vm_ssize: i32,
+        pub p_uvalid: i64,
+        pub p_ustart_sec: u64,
+        pub p_ustart_usec: u32,
+        pub p_uutime_sec: u32,
+        pub p_uutime_usec: u32,
+        pub p_ustime_sec: u32,
+        pub p_ustime_usec: u32,
+        pub p_uru_maxrss: u64,
+        pub p_uru_ixrss: u64,
+        pub p_uru_idrss: u64,
+        pub p_uru_isrss: u64,
+        pub p_uru_minflt: u64,
+        pub p_uru_majflt: u64,
+        pub p_uru_nswap: u64,
+        pub p_uru_inblock: u64,
+        pub p_uru_oublock: u64,
+        pub p_uru_msgsnd: u64,
+        pub p_uru_msgrcv: u64,
+        pub p_uru_nsignals: u64,
+        pub p_uru_nvcsw: u64,
+        pub p_uru_nivcsw: u64,
+        pub p_uctime_sec: u32,
+        pub p_uctime_usec: u32,
+        pub p_psflags: u32,
+        pub p_acflag: u32,
+        pub p_svuid: u32,
+        pub p_svgid: u32,
+        pub p_emul: [::c_char; KI_EMULNAMELEN as usize],
+        pub p_rlim_rss_cur: u64,
+        pub p_cpuid: u64,
+        pub p_vm_map_size: u64,
+        pub p_tid: i32,
+        pub p_rtableid: u32,
+        pub p_pledge: u64,
+    }
+
     pub struct kinfo_vmentry {
         pub kve_start: ::c_ulong,
         pub kve_end: ::c_ulong,
@@ -1525,6 +1622,12 @@ pub const FUTEX_WAKE: ::c_int = 2;
 pub const FUTEX_REQUEUE: ::c_int = 3;
 pub const FUTEX_PRIVATE_FLAG: ::c_int = 128;
 
+// sysctl.h, kinfo_proc p_eflag constants
+pub const EPROC_CTTY: i32 = 0x01; // controlling tty vnode active
+pub const EPROC_SLEADER: i32 = 0x02; // session leader
+pub const EPROC_UNVEIL: i32 = 0x04; // has unveil settings
+pub const EPROC_LKUNVEIL: i32 = 0x08; // unveil is locked
+
 const_fn! {
     {const} fn _ALIGN(p: usize) -> usize {
         (p + _ALIGNBYTES) & !_ALIGNBYTES