[0.2] Backports

build.rs

@@ -35,7 +35,12 @@ const ALLOWED_CFGS: &'static [&'static str] = &[
 
 // Extra values to allow for check-cfg.
 const CHECK_CFG_EXTRA: &'static [(&'static str, &'static [&'static str])] = &[
-    ("target_os", &["switch", "aix", "ohos", "hurd", "visionos"]),
+    (
+        "target_os",
+        &[
+            "switch", "aix", "ohos", "hurd", "rtems", "visionos", "nuttx",
+        ],
+    ),
     ("target_env", &["illumos", "wasi", "aix", "ohos"]),
     (
         "target_arch",

libc-test/semver/apple.txt

@@ -1116,16 +1116,29 @@ PROC_CSM_TECS
 PROC_PIDTASKALLINFO
 PROC_PIDTASKINFO
 PROC_PIDTHREADINFO
+PTHREAD_CANCEL_ASYNCHRONOUS
+PTHREAD_CANCEL_DEFERRED
+PTHREAD_CANCEL_DISABLE
+PTHREAD_CANCEL_ENABLE
+PTHREAD_CANCELED
 PTHREAD_CREATE_DETACHED
 PTHREAD_CREATE_JOINABLE
+PTHREAD_EXPLICIT_SCHED
+PTHREAD_INHERIT_SCHED
 PTHREAD_INTROSPECTION_THREAD_CREATE
 PTHREAD_INTROSPECTION_THREAD_DESTROY
 PTHREAD_INTROSPECTION_THREAD_START
 PTHREAD_INTROSPECTION_THREAD_TERMINATE
 PTHREAD_MUTEX_DEFAULT
 PTHREAD_MUTEX_ERRORCHECK
+PTHREAD_ONCE_INIT
+PTHREAD_PRIO_INHERIT
+PTHREAD_PRIO_NONE
+PTHREAD_PRIO_PROTECT
 PTHREAD_PROCESS_PRIVATE
 PTHREAD_PROCESS_SHARED
+PTHREAD_SCOPE_PROCESS
+PTHREAD_SCOPE_SYSTEM
 PTHREAD_STACK_MIN
 PT_ATTACH
 PT_ATTACHEXC
@@ -1832,6 +1845,7 @@ _WSTOPPED
 __PTHREAD_CONDATTR_SIZE__
 __PTHREAD_COND_SIZE__
 __PTHREAD_MUTEX_SIZE__
+__PTHREAD_ONCE_SIZE__
 __PTHREAD_RWLOCKATTR_SIZE__
 __PTHREAD_RWLOCK_SIZE__
 __darwin_mcontext64
@@ -2142,8 +2156,18 @@ pseudo_AF_KEY
 pseudo_AF_PIP
 pseudo_AF_RTIP
 pseudo_AF_XTP
+pthread_atfork
+pthread_attr_getdetachstate
+pthread_attr_getinheritsched
 pthread_attr_getschedparam
+pthread_attr_getschedpolicy
+pthread_attr_getscope
+pthread_attr_getstackaddr
+pthread_attr_setinheritsched
 pthread_attr_setschedparam
+pthread_attr_setschedpolicy
+pthread_attr_setscope
+pthread_attr_setstackaddr
 pthread_cancel
 pthread_condattr_getpshared
 pthread_condattr_setpshared
@@ -2167,6 +2191,8 @@ pthread_kill
 pthread_main_np
 pthread_mutexattr_getpshared
 pthread_mutexattr_setpshared
+pthread_once
+pthread_once_t
 pthread_rwlockattr_getpshared
 pthread_rwlockattr_setpshared
 pthread_setname_np

libc-test/semver/emscripten.txt

@@ -1,3 +1,4 @@
+AT_EACCESS
 getentropy
 posix_fallocate64
 getpwnam_r

libc-test/semver/linux-i686.txt

@@ -214,6 +214,8 @@ fsblkcnt64_t
 fsfilcnt64_t
 getcontext
 greg_t
+ioperm
+iopl
 makecontext
 max_align_t
 mcontext_t

libc-test/semver/linux-musl.txt

@@ -10,25 +10,34 @@ MPOL_DEFAULT
 MPOL_INTERLEAVE
 MPOL_LOCAL
 MPOL_PREFERRED
+BOOT_TIME
+DEAD_PROCESS
 Elf32_Chdr
 Elf64_Chdr
+EMPTY
+INIT_PROCESS
 LIO_NOP
 LIO_NOWAIT
 LIO_READ
 LIO_WAIT
 LIO_WRITE
+LOGIN_PROCESS
+NEW_TIME
+OLD_TIME
 PF_IB
 PF_MPLS
 PF_XDP
 PIDFD_NONBLOCK
 PR_SET_VMA
 PR_SET_VMA_ANON_NAME
+RUN_LVL
 RWF_APPEND
 RWF_DSYNC
 RWF_HIPRI
 RWF_NOWAIT
 RWF_SYNC
 SOL_XDP
+USER_PROCESS
 XDP_SHARED_UMEM
 XDP_COPY
 XDP_ZEROCOPY

libc-test/semver/linux-x86_64.txt

@@ -139,6 +139,8 @@ TIOCGRS485
 TIOCSBRK
 TIOCSRS485
 greg_t
+ioperm
+iopl
 max_align_t
 mcontext_t
 ucontext_t

src/unix/bsd/apple/b32/mod.rs

@@ -54,6 +54,11 @@ s_no_extra_traits! {
         __sig: c_long,
         __opaque: [::c_char; 36]
     }
+
+    pub struct pthread_once_t {
+        __sig: c_long,
+        __opaque: [::c_char; ::__PTHREAD_ONCE_SIZE__],
+    }
 }
 
 cfg_if! {
@@ -82,6 +87,29 @@ cfg_if! {
                 self.__opaque.hash(state);
             }
         }
+        impl PartialEq for pthread_once_t {
+            fn eq(&self, other: &pthread_once_t) -> bool {
+                self.__sig == other.__sig
+                    && self.__opaque
+                    .iter()
+                    .zip(other.__opaque.iter())
+                    .all(|(a,b)| a == b)
+            }
+        }
+        impl Eq for pthread_once_t {}
+        impl ::fmt::Debug for pthread_once_t {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("pthread_once_t")
+                    .field("__sig", &self.__sig)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for pthread_once_t {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.__sig.hash(state);
+                self.__opaque.hash(state);
+            }
+        }
     }
 }
 
@@ -92,6 +120,7 @@ pub const NET_RT_MAXID: ::c_int = 10;
 pub const __PTHREAD_MUTEX_SIZE__: usize = 40;
 pub const __PTHREAD_COND_SIZE__: usize = 24;
 pub const __PTHREAD_CONDATTR_SIZE__: usize = 4;
+pub const __PTHREAD_ONCE_SIZE__: usize = 4;
 pub const __PTHREAD_RWLOCK_SIZE__: usize = 124;
 pub const __PTHREAD_RWLOCKATTR_SIZE__: usize = 12;
 
@@ -103,6 +132,12 @@ pub const BIOCSRTIMEOUT: ::c_ulong = 0x8008426d;
 pub const BIOCGRTIMEOUT: ::c_ulong = 0x4008426e;
 pub const BIOCSETFNR: ::c_ulong = 0x8008427e;
 
+const _PTHREAD_ONCE_SIG_INIT: c_long = 0x30B1BCBA;
+pub const PTHREAD_ONCE_INIT: ::pthread_once_t = ::pthread_once_t {
+    __sig: _PTHREAD_ONCE_SIG_INIT,
+    __opaque: [0; 4],
+};
+
 extern "C" {
     pub fn exchangedata(
         path1: *const ::c_char,

src/unix/bsd/apple/b64/mod.rs

@@ -54,6 +54,11 @@ s_no_extra_traits! {
         __sig: c_long,
         __opaque: [::c_char; 56]
     }
+
+    pub struct pthread_once_t {
+        __sig: c_long,
+        __opaque: [::c_char; __PTHREAD_ONCE_SIZE__],
+    }
 }
 
 cfg_if! {
@@ -82,6 +87,29 @@ cfg_if! {
                 self.__opaque.hash(state);
             }
         }
+        impl PartialEq for pthread_once_t {
+            fn eq(&self, other: &pthread_once_t) -> bool {
+                self.__sig == other.__sig
+                    && self.__opaque
+                    .iter()
+                    .zip(other.__opaque.iter())
+                    .all(|(a,b)| a == b)
+            }
+        }
+        impl Eq for pthread_once_t {}
+        impl ::fmt::Debug for pthread_once_t {
+            fn fmt(&self, f: &mut ::fmt::Formatter) -> ::fmt::Result {
+                f.debug_struct("pthread_once_t")
+                    .field("__sig", &self.__sig)
+                    .finish()
+            }
+        }
+        impl ::hash::Hash for pthread_once_t {
+            fn hash<H: ::hash::Hasher>(&self, state: &mut H) {
+                self.__sig.hash(state);
+                self.__opaque.hash(state);
+            }
+        }
     }
 }
 
@@ -92,6 +120,7 @@ pub const NET_RT_MAXID: ::c_int = 11;
 pub const __PTHREAD_MUTEX_SIZE__: usize = 56;
 pub const __PTHREAD_COND_SIZE__: usize = 40;
 pub const __PTHREAD_CONDATTR_SIZE__: usize = 8;
+pub const __PTHREAD_ONCE_SIZE__: usize = 8;
 pub const __PTHREAD_RWLOCK_SIZE__: usize = 192;
 pub const __PTHREAD_RWLOCKATTR_SIZE__: usize = 16;
 
@@ -103,6 +132,12 @@ pub const BIOCSRTIMEOUT: ::c_ulong = 0x8010426d;
 pub const BIOCGRTIMEOUT: ::c_ulong = 0x4010426e;
 pub const BIOCSETFNR: ::c_ulong = 0x8010427e;
 
+const _PTHREAD_ONCE_SIG_INIT: c_long = 0x30B1BCBA;
+pub const PTHREAD_ONCE_INIT: ::pthread_once_t = ::pthread_once_t {
+    __sig: _PTHREAD_ONCE_SIG_INIT,
+    __opaque: [0; 8],
+};
+
 extern "C" {
     pub fn exchangedata(
         path1: *const ::c_char,

src/unix/bsd/apple/mod.rs

@@ -3787,6 +3787,19 @@ pub const PTHREAD_PROCESS_PRIVATE: ::c_int = 2;
 pub const PTHREAD_PROCESS_SHARED: ::c_int = 1;
 pub const PTHREAD_CREATE_JOINABLE: ::c_int = 1;
 pub const PTHREAD_CREATE_DETACHED: ::c_int = 2;
+pub const PTHREAD_INHERIT_SCHED: ::c_int = 1;
+pub const PTHREAD_EXPLICIT_SCHED: ::c_int = 2;
+pub const PTHREAD_CANCEL_ENABLE: ::c_int = 0x01;
+pub const PTHREAD_CANCEL_DISABLE: ::c_int = 0x00;
+pub const PTHREAD_CANCEL_DEFERRED: ::c_int = 0x02;
+pub const PTHREAD_CANCEL_ASYNCHRONOUS: ::c_int = 0x00;
+pub const PTHREAD_CANCELED: *mut ::c_void = 1 as *mut ::c_void;
+pub const PTHREAD_SCOPE_SYSTEM: ::c_int = 1;
+pub const PTHREAD_SCOPE_PROCESS: ::c_int = 2;
+pub const PTHREAD_PRIO_NONE: ::c_int = 0;
+pub const PTHREAD_PRIO_INHERIT: ::c_int = 1;
+pub const PTHREAD_PRIO_PROTECT: ::c_int = 2;
+
 #[cfg(target_arch = "aarch64")]
 pub const PTHREAD_STACK_MIN: ::size_t = 16384;
 #[cfg(not(target_arch = "aarch64"))]
@@ -5757,6 +5770,40 @@ extern "C" {
     pub fn mach_timebase_info(info: *mut ::mach_timebase_info) -> ::c_int;
     pub fn mach_host_self() -> mach_port_t;
     pub fn mach_thread_self() -> mach_port_t;
+    pub fn pthread_once(
+        once_control: *mut ::pthread_once_t,
+        init_routine: ::Option<unsafe extern "C" fn()>,
+    ) -> ::c_int;
+    pub fn pthread_attr_getinheritsched(
+        attr: *const ::pthread_attr_t,
+        inheritsched: *mut ::c_int,
+    ) -> ::c_int;
+    pub fn pthread_attr_getschedpolicy(
+        attr: *const ::pthread_attr_t,
+        policy: *mut ::c_int,
+    ) -> ::c_int;
+    pub fn pthread_attr_getscope(
+        attr: *const ::pthread_attr_t,
+        contentionscope: *mut ::c_int,
+    ) -> ::c_int;
+    pub fn pthread_attr_getstackaddr(
+        attr: *const ::pthread_attr_t,
+        stackaddr: *mut *mut ::c_void,
+    ) -> ::c_int;
+    pub fn pthread_attr_getdetachstate(
+        attr: *const ::pthread_attr_t,
+        detachstate: *mut ::c_int,
+    ) -> ::c_int;
+    pub fn pthread_attr_setinheritsched(
+        attr: *mut ::pthread_attr_t,
+        inheritsched: ::c_int,
+    ) -> ::c_int;
+    pub fn pthread_attr_setschedpolicy(attr: *mut ::pthread_attr_t, policy: ::c_int) -> ::c_int;
+    pub fn pthread_attr_setscope(attr: *mut ::pthread_attr_t, contentionscope: ::c_int) -> ::c_int;
+    pub fn pthread_attr_setstackaddr(
+        attr: *mut ::pthread_attr_t,
+        stackaddr: *mut ::c_void,
+    ) -> ::c_int;
     pub fn pthread_setname_np(name: *const ::c_char) -> ::c_int;
     pub fn pthread_getname_np(thread: ::pthread_t, name: *mut ::c_char, len: ::size_t) -> ::c_int;
     pub fn pthread_mach_thread_np(thread: ::pthread_t) -> ::mach_port_t;

src/unix/linux_like/emscripten/mod.rs

@@ -775,6 +775,8 @@ pub const POSIX_MADV_RANDOM: ::c_int = 1;
 pub const POSIX_MADV_SEQUENTIAL: ::c_int = 2;
 pub const POSIX_MADV_WILLNEED: ::c_int = 3;
 
+pub const AT_EACCESS: ::c_int = 0x200;
+
 pub const S_IEXEC: mode_t = 64;
 pub const S_IWRITE: mode_t = 128;
 pub const S_IREAD: mode_t = 256;

src/unix/linux_like/linux/gnu/b64/x86_64/mod.rs

@@ -802,8 +802,6 @@ extern "C" {
     pub fn setcontext(ucp: *const ucontext_t) -> ::c_int;
     pub fn makecontext(ucp: *mut ucontext_t, func: extern "C" fn(), argc: ::c_int, ...);
     pub fn swapcontext(uocp: *mut ucontext_t, ucp: *const ucontext_t) -> ::c_int;
-    pub fn iopl(level: ::c_int) -> ::c_int;
-    pub fn ioperm(from: ::c_ulong, num: ::c_ulong, turn_on: ::c_int) -> ::c_int;
 }
 
 cfg_if! {

src/unix/linux_like/linux/mod.rs

@@ -1556,6 +1556,16 @@ cfg_if! {
     }
 }
 
+cfg_if! {
+    if #[cfg(all(any(target_env = "gnu", target_env = "musl", target_env = "ohos"),
+                 any(target_arch = "x86_64", target_arch = "x86")))] {
+        extern "C" {
+            pub fn iopl(level: ::c_int) -> ::c_int;
+            pub fn ioperm(from: ::c_ulong, num: ::c_ulong, turn_on: ::c_int) -> ::c_int;
+        }
+    }
+}
+
 cfg_if! {
     if #[cfg(any(target_env = "gnu", target_env = "musl", target_env = "ohos"))] {
         pub const ABDAY_1: ::nl_item = 0x20000;

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

@@ -632,6 +632,18 @@ pub const MAP_HUGE_16GB: ::c_int = 34 << MAP_HUGE_SHIFT;
 
 pub const MS_RMT_MASK: ::c_ulong = 0x02800051;
 
+// include/utmpx.h
+pub const EMPTY: ::c_short = 0;
+pub const RUN_LVL: ::c_short = 1;
+pub const BOOT_TIME: ::c_short = 2;
+pub const NEW_TIME: ::c_short = 3;
+pub const OLD_TIME: ::c_short = 4;
+pub const INIT_PROCESS: ::c_short = 5;
+pub const LOGIN_PROCESS: ::c_short = 6;
+pub const USER_PROCESS: ::c_short = 7;
+pub const DEAD_PROCESS: ::c_short = 8;
+// musl does not define ACCOUNTING
+
 pub const SFD_CLOEXEC: ::c_int = 0x080000;
 
 pub const NCCS: usize = 32;