Auto merge of #2329 - devnexen:getsethostid_unix, r=JohnTitor

adding gethostid/sethostid to most unixes (redox still unimplemented at

the moment).

Author: bors

libc-test/semver/apple.txt

@@ -1649,6 +1649,7 @@ getgrgid_r
 getgrnam
 getgrnam_r
 getgrouplist
+gethostid
 getifaddrs
 getitimer
 getline
@@ -1863,6 +1864,7 @@ sendmsg
 setdomainname
 setgrent
 setgroups
+sethostid
 sethostname
 setitimer
 setpriority

libc-test/semver/dragonfly.txt

@@ -1219,6 +1219,7 @@ getgrgid_r
 getgrnam
 getgrnam_r
 getgrouplist
+gethostid
 getifaddrs
 getitimer
 getline
@@ -1379,6 +1380,7 @@ sendmsg
 setdomainname
 setgrent
 setgroups
+sethostid
 sethostname
 setitimer
 setpriority

libc-test/semver/freebsd.txt

@@ -1421,6 +1421,7 @@ getgrgid_r
 getgrnam
 getgrnam_r
 getgrouplist
+gethostid
 getifaddrs
 getitimer
 getline
@@ -1647,6 +1648,7 @@ sendmsg
 setdomainname
 setgrent
 setgroups
+sethostid
 sethostname
 setitimer
 setpriority

libc-test/semver/linux-gnu.txt

@@ -569,6 +569,7 @@ qsort_r
 reallocarray
 semid_ds
 seminfo
+sethostid
 setutxent
 setxattr
 sgetspent_r

libc-test/semver/linux.txt

@@ -2738,6 +2738,7 @@ getgrgid_r
 getgrnam
 getgrnam_r
 getgrouplist
+gethostid
 getifaddrs
 getline
 getloadavg

libc-test/semver/netbsd.txt

@@ -1122,6 +1122,7 @@ getgrgid_r
 getgrnam
 getgrnam_r
 getgrouplist
+gethostid
 getifaddrs
 getitimer
 getlastlogx
@@ -1290,6 +1291,7 @@ sendmsg
 setdomainname
 setgrent
 setgroups
+sethostid
 sethostname
 setitimer
 setpriority

libc-test/semver/openbsd.txt

@@ -936,6 +936,7 @@ getgrgid_r
 getgrnam
 getgrnam_r
 getgrouplist
+gethostid
 getifaddrs
 getitimer
 getline
@@ -1055,6 +1056,7 @@ sendmsg
 setdomainname
 setgrent
 setgroups
+sethostid
 sethostname
 setitimer
 setpriority

src/unix/bsd/apple/mod.rs

@@ -4458,6 +4458,9 @@ extern "C" {
     /// `id` is of type [`uuid_t`].
     pub fn gethostuuid(id: *mut u8, timeout: *const ::timespec) -> ::c_int;
 
+    pub fn gethostid() -> ::c_long;
+    pub fn sethostid(hostid: ::c_long);
+
     pub fn CCRandomGenerateBytes(bytes: *mut ::c_void, size: ::size_t) -> ::CCRNGStatus;
 
     pub fn _NSGetExecutablePath(buf: *mut ::c_char, bufsize: *mut u32) -> ::c_int;

src/unix/bsd/freebsdlike/mod.rs

@@ -1645,6 +1645,8 @@ extern "C" {
     pub fn explicit_bzero(s: *mut ::c_void, len: ::size_t);
     // ISO/IEC 9899:2011 ("ISO C11") K.3.7.4.1
     pub fn memset_s(s: *mut ::c_void, smax: ::size_t, c: ::c_int, n: ::size_t) -> ::c_int;
+    pub fn gethostid() -> ::c_long;
+    pub fn sethostid(hostid: ::c_long);
 }
 
 #[link(name = "rt")]

src/unix/bsd/netbsdlike/mod.rs

@@ -745,6 +745,8 @@ extern "C" {
 
 extern "C" {
     pub fn reallocarray(ptr: *mut ::c_void, nmemb: ::size_t, size: ::size_t) -> *mut ::c_void;
+    pub fn gethostid() -> ::c_long;
+    pub fn sethostid(hostid: ::c_long) -> ::c_int;
 }
 
 cfg_if! {

src/unix/linux_like/linux/gnu/mod.rs

@@ -1339,6 +1339,8 @@ extern "C" {
     ) -> ::c_int;
     pub fn pthread_getname_np(thread: ::pthread_t, name: *mut ::c_char, len: ::size_t) -> ::c_int;
     pub fn pthread_setname_np(thread: ::pthread_t, name: *const ::c_char) -> ::c_int;
+
+    pub fn sethostid(hostid: ::c_long) -> ::c_int;
 }
 
 extern "C" {

src/unix/linux_like/linux/mod.rs

@@ -3837,6 +3837,8 @@ extern "C" {
         new_value: *const ::itimerspec,
         old_value: *mut ::itimerspec,
     ) -> ::c_int;
+
+    pub fn gethostid() -> ::c_long;
 }
 
 cfg_if! {

src/unix/linux_like/linux/uclibc/mod.rs

@@ -287,6 +287,8 @@ extern "C" {
         iovcnt: ::c_int,
         offset: ::off64_t,
     ) -> ::ssize_t;
+
+    pub fn sethostid(hostid: ::c_long) -> ::c_int;
 }
 
 cfg_if! {

src/unix/solarish/mod.rs

@@ -2659,6 +2659,9 @@ extern "C" {
     pub fn p_online(processorid: ::processorid_t, flag: ::c_int) -> ::c_int;
 
     pub fn getexecname() -> *const ::c_char;
+
+    pub fn gethostid() -> ::c_long;
+    pub fn sethostid(hostid: ::c_long) -> ::c_int;
 }
 
 mod compat;