1 use crate::prelude::*; 2 3 // The following definitions are correct for aarch64 and x86_64, 4 // but may be wrong for mips64 5 6 pub type mode_t = u32; 7 pub type off64_t = i64; 8 pub type socklen_t = u32; 9 10 s! { 11 pub struct sigset_t { 12 __val: [c_ulong; 1], 13 } 14 15 pub struct sigaction { 16 pub sa_flags: c_int, 17 pub sa_sigaction: crate::sighandler_t, 18 pub sa_mask: crate::sigset_t, 19 pub sa_restorer: Option<extern "C" fn()>, 20 } 21 22 pub struct rlimit64 { 23 pub rlim_cur: c_ulonglong, 24 pub rlim_max: c_ulonglong, 25 } 26 27 pub struct pthread_attr_t { 28 pub flags: u32, 29 pub stack_base: *mut c_void, 30 pub stack_size: size_t, 31 pub guard_size: size_t, 32 pub sched_policy: i32, 33 pub sched_priority: i32, 34 __reserved: [c_char; 16], 35 } 36 37 pub struct passwd { 38 pub pw_name: *mut c_char, 39 pub pw_passwd: *mut c_char, 40 pub pw_uid: crate::uid_t, 41 pub pw_gid: crate::gid_t, 42 pub pw_gecos: *mut c_char, 43 pub pw_dir: *mut c_char, 44 pub pw_shell: *mut c_char, 45 } 46 47 pub struct statfs { 48 pub f_type: u64, 49 pub f_bsize: u64, 50 pub f_blocks: u64, 51 pub f_bfree: u64, 52 pub f_bavail: u64, 53 pub f_files: u64, 54 pub f_ffree: u64, 55 pub f_fsid: crate::__fsid_t, 56 pub f_namelen: u64, 57 pub f_frsize: u64, 58 pub f_flags: u64, 59 pub f_spare: [u64; 4], 60 } 61 62 pub struct sysinfo { 63 pub uptime: c_long, 64 pub loads: [c_ulong; 3], 65 pub totalram: c_ulong, 66 pub freeram: c_ulong, 67 pub sharedram: c_ulong, 68 pub bufferram: c_ulong, 69 pub totalswap: c_ulong, 70 pub freeswap: c_ulong, 71 pub procs: c_ushort, 72 pub pad: c_ushort, 73 pub totalhigh: c_ulong, 74 pub freehigh: c_ulong, 75 pub mem_unit: c_uint, 76 pub _f: [c_char; 0], 77 } 78 79 pub struct statfs64 { 80 pub f_type: u64, 81 pub f_bsize: u64, 82 pub f_blocks: u64, 83 pub f_bfree: u64, 84 pub f_bavail: u64, 85 pub f_files: u64, 86 pub f_ffree: u64, 87 pub f_fsid: crate::__fsid_t, 88 pub f_namelen: u64, 89 pub f_frsize: u64, 90 pub f_flags: u64, 91 pub f_spare: [u64; 4], 92 } 93 94 pub struct statvfs64 { 95 pub f_bsize: c_ulong, 96 pub f_frsize: c_ulong, 97 pub f_blocks: u64, 98 pub f_bfree: u64, 99 pub f_bavail: u64, 100 pub f_files: u64, 101 pub f_ffree: u64, 102 pub f_favail: u64, 103 pub f_fsid: c_ulong, 104 pub f_flag: c_ulong, 105 pub f_namemax: c_ulong, 106 __f_spare: [c_int; 6], 107 } 108 109 pub struct pthread_barrier_t { 110 __private: [i64; 4], 111 } 112 113 pub struct pthread_spinlock_t { 114 __private: i64, 115 } 116 } 117 118 s_no_extra_traits! { 119 pub struct pthread_mutex_t { 120 value: c_int, 121 __reserved: [c_char; 36], 122 } 123 124 pub struct pthread_cond_t { 125 value: c_int, 126 __reserved: [c_char; 44], 127 } 128 129 pub struct pthread_rwlock_t { 130 numLocks: c_int, 131 writerThreadId: c_int, 132 pendingReaders: c_int, 133 pendingWriters: c_int, 134 attr: i32, 135 __reserved: [c_char; 36], 136 } 137 138 pub struct sigset64_t { 139 __bits: [c_ulong; 1], 140 } 141 } 142 143 cfg_if! { 144 if #[cfg(feature = "extra_traits")] { 145 impl PartialEq for pthread_mutex_t { 146 fn eq(&self, other: &pthread_mutex_t) -> bool { 147 self.value == other.value 148 && self 149 .__reserved 150 .iter() 151 .zip(other.__reserved.iter()) 152 .all(|(a, b)| a == b) 153 } 154 } 155 156 impl Eq for pthread_mutex_t {} 157 158 impl fmt::Debug for pthread_mutex_t { 159 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { 160 f.debug_struct("pthread_mutex_t") 161 .field("value", &self.value) 162 // FIXME(debug): .field("__reserved", &self.__reserved) 163 .finish() 164 } 165 } 166 167 impl hash::Hash for pthread_mutex_t { 168 fn hash<H: hash::Hasher>(&self, state: &mut H) { 169 self.value.hash(state); 170 self.__reserved.hash(state); 171 } 172 } 173 174 impl PartialEq for pthread_cond_t { 175 fn eq(&self, other: &pthread_cond_t) -> bool { 176 self.value == other.value 177 && self 178 .__reserved 179 .iter() 180 .zip(other.__reserved.iter()) 181 .all(|(a, b)| a == b) 182 } 183 } 184 185 impl Eq for pthread_cond_t {} 186 187 impl fmt::Debug for pthread_cond_t { 188 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { 189 f.debug_struct("pthread_cond_t") 190 .field("value", &self.value) 191 // FIXME(debug): .field("__reserved", &self.__reserved) 192 .finish() 193 } 194 } 195 196 impl hash::Hash for pthread_cond_t { 197 fn hash<H: hash::Hasher>(&self, state: &mut H) { 198 self.value.hash(state); 199 self.__reserved.hash(state); 200 } 201 } 202 203 impl PartialEq for pthread_rwlock_t { 204 fn eq(&self, other: &pthread_rwlock_t) -> bool { 205 self.numLocks == other.numLocks 206 && self.writerThreadId == other.writerThreadId 207 && self.pendingReaders == other.pendingReaders 208 && self.pendingWriters == other.pendingWriters 209 && self.attr == other.attr 210 && self 211 .__reserved 212 .iter() 213 .zip(other.__reserved.iter()) 214 .all(|(a, b)| a == b) 215 } 216 } 217 218 impl Eq for pthread_rwlock_t {} 219 220 impl fmt::Debug for pthread_rwlock_t { 221 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { 222 f.debug_struct("pthread_rwlock_t") 223 .field("numLocks", &self.numLocks) 224 .field("writerThreadId", &self.writerThreadId) 225 .field("pendingReaders", &self.pendingReaders) 226 .field("pendingWriters", &self.pendingWriters) 227 .field("attr", &self.attr) 228 // FIXME(debug): .field("__reserved", &self.__reserved) 229 .finish() 230 } 231 } 232 233 impl hash::Hash for pthread_rwlock_t { 234 fn hash<H: hash::Hasher>(&self, state: &mut H) { 235 self.numLocks.hash(state); 236 self.writerThreadId.hash(state); 237 self.pendingReaders.hash(state); 238 self.pendingWriters.hash(state); 239 self.attr.hash(state); 240 self.__reserved.hash(state); 241 } 242 } 243 244 impl fmt::Debug for sigset64_t { 245 fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { 246 f.debug_struct("sigset64_t") 247 .field("__bits", &self.__bits) 248 .finish() 249 } 250 } 251 } 252 } 253 254 // These constants must be of the same type of sigaction.sa_flags 255 pub const SA_NOCLDSTOP: c_int = 0x00000001; 256 pub const SA_NOCLDWAIT: c_int = 0x00000002; 257 pub const SA_NODEFER: c_int = 0x40000000; 258 pub const SA_ONSTACK: c_int = 0x08000000; 259 pub const SA_RESETHAND: c_int = 0x80000000; 260 pub const SA_RESTART: c_int = 0x10000000; 261 pub const SA_SIGINFO: c_int = 0x00000004; 262 263 pub const RTLD_GLOBAL: c_int = 0x00100; 264 pub const RTLD_NOW: c_int = 2; 265 pub const RTLD_DEFAULT: *mut c_void = 0i64 as *mut c_void; 266 267 pub const PTHREAD_MUTEX_INITIALIZER: pthread_mutex_t = pthread_mutex_t { 268 value: 0, 269 __reserved: [0; 36], 270 }; 271 pub const PTHREAD_COND_INITIALIZER: pthread_cond_t = pthread_cond_t { 272 value: 0, 273 __reserved: [0; 44], 274 }; 275 pub const PTHREAD_RWLOCK_INITIALIZER: pthread_rwlock_t = pthread_rwlock_t { 276 numLocks: 0, 277 writerThreadId: 0, 278 pendingReaders: 0, 279 pendingWriters: 0, 280 attr: 0, 281 __reserved: [0; 36], 282 }; 283 pub const PTHREAD_STACK_MIN: size_t = 4096 * 4; 284 pub const CPU_SETSIZE: size_t = 1024; 285 pub const __CPU_BITS: size_t = 64; 286 287 pub const UT_LINESIZE: usize = 32; 288 pub const UT_NAMESIZE: usize = 32; 289 pub const UT_HOSTSIZE: usize = 256; 290 291 f! { 292 // Sadly, Android before 5.0 (API level 21), the accept4 syscall is not 293 // exposed by the libc. As work-around, we implement it through `syscall` 294 // directly. This workaround can be removed if the minimum version of 295 // Android is bumped. When the workaround is removed, `accept4` can be 296 // moved back to `linux_like/mod.rs` 297 pub fn accept4( 298 fd: c_int, 299 addr: *mut crate::sockaddr, 300 len: *mut crate::socklen_t, 301 flg: c_int, 302 ) -> c_int { 303 crate::syscall(SYS_accept4, fd, addr, len, flg) as c_int 304 } 305 } 306 307 extern "C" { 308 pub fn __system_property_wait( 309 pi: *const crate::prop_info, 310 __old_serial: u32, 311 __new_serial_ptr: *mut u32, 312 __relative_timeout: *const crate::timespec, 313 ) -> bool; 314 } 315 316 cfg_if! { 317 if #[cfg(target_arch = "x86_64")] { 318 mod x86_64; 319 pub use self::x86_64::*; 320 } else if #[cfg(target_arch = "aarch64")] { 321 mod aarch64; 322 pub use self::aarch64::*; 323 } else if #[cfg(target_arch = "riscv64")] { 324 mod riscv64; 325 pub use self::riscv64::*; 326 } else { 327 // Unknown target_arch 328 } 329 } 330