qurt: Add support for Qualcomm QuRT

The QuRT RTOS -- used primarily on the Hexagon architecture --
has support for large parts of POSIX.

Author: androm3da

src/lib.rs

@@ -77,6 +77,14 @@ cfg_if! {
         mod vxworks;
         pub use crate::vxworks::*;
 
+        prelude!();
+    } else if #[cfg(target_os = "qurt")] {
+        mod primitives;
+        pub use crate::primitives::*;
+
+        mod qurt;
+        pub use crate::qurt::*;
+
         prelude!();
     } else if #[cfg(target_os = "solid_asp3")] {
         mod primitives;

src/new/common/posix/mod.rs

@@ -8,6 +8,7 @@
     target_os = "emscripten",
     target_os = "l4re",
     target_os = "linux",
+    target_os = "qurt",
     target_vendor = "apple",
 ))]
 pub(crate) mod pthread;

src/new/mod.rs

@@ -101,6 +101,9 @@ cfg_if! {
     } else if #[cfg(target_os = "openbsd")] {
         mod openbsd;
         pub(crate) use openbsd::*;
+    } else if #[cfg(target_os = "qurt")] {
+        mod qurt;
+        pub(crate) use qurt::*;
     } else if #[cfg(target_os = "redox")] {
         mod redox;
         // pub(crate) use redox::*;
@@ -208,7 +211,7 @@ cfg_if! {
 
 // Per-family headers we export
 cfg_if! {
-    if #[cfg(target_family = "unix")] {
+    if #[cfg(all(target_family = "unix", not(target_os = "qurt")))] {
         // FIXME(pthread): eventually all platforms should use this module
         #[cfg(any(
             target_os = "android",

src/new/qurt/mod.rs

@@ -0,0 +1,15 @@
+//! QuRT (Qualcomm Real-Time OS) bindings
+//!
+//! QuRT is Qualcomm's real-time operating system for Hexagon DSP architectures.
+
+pub(crate) mod errno;
+pub(crate) mod fcntl;
+pub(crate) mod limits;
+pub(crate) mod pthread;
+pub(crate) mod semaphore;
+pub(crate) mod signal;
+pub(crate) mod stdio;
+pub(crate) mod stdlib;
+pub(crate) mod sys;
+pub(crate) mod time;
+pub(crate) mod unistd;

src/qurt/hexagon.rs

@@ -0,0 +1,340 @@
+use crate::prelude::*;
+
+pub type wchar_t = u32;
+
+pub type cpu_set_t = c_uint;
+
+s! {
+    pub struct stat {
+        pub st_dev: crate::dev_t,
+        pub st_ino: crate::ino_t,
+        pub st_mode: crate::mode_t,
+        pub st_nlink: crate::nlink_t,
+        pub st_uid: crate::uid_t,
+        pub st_gid: crate::gid_t,
+        pub st_rdev: crate::dev_t,
+        pub st_size: crate::off_t,
+        pub st_blksize: crate::blksize_t,
+        pub st_blocks: crate::blkcnt_t,
+        pub st_atime: crate::time_t,
+        pub st_atime_nsec: c_long,
+        pub st_mtime: crate::time_t,
+        pub st_mtime_nsec: c_long,
+        pub st_ctime: crate::time_t,
+        pub st_ctime_nsec: c_long,
+    }
+
+    pub struct dirent {
+        pub d_ino: crate::ino_t,
+        pub d_type: c_uchar,
+        pub d_name: [c_char; 256],
+    }
+}
+
+// File type constants for stat.st_mode
+pub const S_IFMT: crate::mode_t = 0o170000;
+pub const S_IFSOCK: crate::mode_t = 0o140000;
+pub const S_IFLNK: crate::mode_t = 0o120000;
+pub const S_IFREG: crate::mode_t = 0o100000;
+pub const S_IFBLK: crate::mode_t = 0o060000;
+pub const S_IFDIR: crate::mode_t = 0o040000;
+pub const S_IFCHR: crate::mode_t = 0o020000;
+pub const S_IFIFO: crate::mode_t = 0o010000;
+
+// File permission constants
+pub const S_ISUID: crate::mode_t = 0o4000;
+pub const S_ISGID: crate::mode_t = 0o2000;
+pub const S_ISVTX: crate::mode_t = 0o1000;
+pub const S_IRWXU: crate::mode_t = 0o0700;
+pub const S_IRUSR: crate::mode_t = 0o0400;
+pub const S_IWUSR: crate::mode_t = 0o0200;
+pub const S_IXUSR: crate::mode_t = 0o0100;
+pub const S_IRWXG: crate::mode_t = 0o0070;
+pub const S_IRGRP: crate::mode_t = 0o0040;
+pub const S_IWGRP: crate::mode_t = 0o0020;
+pub const S_IXGRP: crate::mode_t = 0o0010;
+pub const S_IRWXO: crate::mode_t = 0o0007;
+pub const S_IROTH: crate::mode_t = 0o0004;
+pub const S_IWOTH: crate::mode_t = 0o0002;
+pub const S_IXOTH: crate::mode_t = 0o0001;
+
+// Directory entry types
+pub const DT_UNKNOWN: c_uchar = 0;
+pub const DT_FIFO: c_uchar = 1;
+pub const DT_CHR: c_uchar = 2;
+pub const DT_DIR: c_uchar = 4;
+pub const DT_BLK: c_uchar = 6;
+pub const DT_REG: c_uchar = 8;
+pub const DT_LNK: c_uchar = 10;
+pub const DT_SOCK: c_uchar = 12;
+
+// Size types
+pub const PAGESIZE: size_t = 4096;
+pub const PAGE_SIZE: size_t = 4096;
+
+// pathconf constants (from bits/confname.h)
+pub const _PC_LINK_MAX: c_int = 0;
+pub const _PC_MAX_CANON: c_int = 1;
+pub const _PC_MAX_INPUT: c_int = 2;
+pub const _PC_NAME_MAX: c_int = 3;
+pub const _PC_PATH_MAX: c_int = 4;
+pub const _PC_PIPE_BUF: c_int = 5;
+pub const _PC_CHOWN_RESTRICTED: c_int = 6;
+pub const _PC_NO_TRUNC: c_int = 7;
+pub const _PC_VDISABLE: c_int = 8;
+pub const _PC_SYNC_IO: c_int = 9;
+pub const _PC_ASYNC_IO: c_int = 10;
+pub const _PC_PRIO_IO: c_int = 11;
+pub const _PC_SOCK_MAXBUF: c_int = 12;
+pub const _PC_FILESIZEBITS: c_int = 13;
+pub const _PC_REC_INCR_XFER_SIZE: c_int = 14;
+pub const _PC_REC_MAX_XFER_SIZE: c_int = 15;
+pub const _PC_REC_MIN_XFER_SIZE: c_int = 16;
+pub const _PC_REC_XFER_ALIGN: c_int = 17;
+pub const _PC_ALLOC_SIZE_MIN: c_int = 18;
+pub const _PC_SYMLINK_MAX: c_int = 19;
+pub const _PC_2_SYMLINKS: c_int = 20;
+
+// sysconf constants (from bits/confname.h)
+pub const _SC_ARG_MAX: c_int = 0;
+pub const _SC_CHILD_MAX: c_int = 1;
+pub const _SC_CLK_TCK: c_int = 2;
+pub const _SC_NGROUPS_MAX: c_int = 3;
+pub const _SC_OPEN_MAX: c_int = 4;
+pub const _SC_STREAM_MAX: c_int = 5;
+pub const _SC_TZNAME_MAX: c_int = 6;
+pub const _SC_JOB_CONTROL: c_int = 7;
+pub const _SC_SAVED_IDS: c_int = 8;
+pub const _SC_REALTIME_SIGNALS: c_int = 9;
+pub const _SC_PRIORITY_SCHEDULING: c_int = 10;
+pub const _SC_TIMERS: c_int = 11;
+pub const _SC_ASYNCHRONOUS_IO: c_int = 12;
+pub const _SC_PRIORITIZED_IO: c_int = 13;
+pub const _SC_SYNCHRONIZED_IO: c_int = 14;
+pub const _SC_FSYNC: c_int = 15;
+pub const _SC_MAPPED_FILES: c_int = 16;
+pub const _SC_MEMLOCK: c_int = 17;
+pub const _SC_MEMLOCK_RANGE: c_int = 18;
+pub const _SC_MEMORY_PROTECTION: c_int = 19;
+pub const _SC_MESSAGE_PASSING: c_int = 20;
+pub const _SC_SEMAPHORES: c_int = 21;
+pub const _SC_SHARED_MEMORY_OBJECTS: c_int = 22;
+pub const _SC_AIO_LISTIO_MAX: c_int = 23;
+pub const _SC_AIO_MAX: c_int = 24;
+pub const _SC_AIO_PRIO_DELTA_MAX: c_int = 25;
+pub const _SC_DELAYTIMER_MAX: c_int = 26;
+pub const _SC_MQ_OPEN_MAX: c_int = 27;
+pub const _SC_MQ_PRIO_MAX: c_int = 28;
+pub const _SC_VERSION: c_int = 29;
+pub const _SC_PAGESIZE: c_int = 30;
+pub const _SC_PAGE_SIZE: c_int = _SC_PAGESIZE;
+pub const _SC_RTSIG_MAX: c_int = 31;
+pub const _SC_SEM_NSEMS_MAX: c_int = 32;
+pub const _SC_SEM_VALUE_MAX: c_int = 33;
+pub const _SC_SIGQUEUE_MAX: c_int = 34;
+pub const _SC_TIMER_MAX: c_int = 35;
+
+// POSIX2 sysconf options
+pub const _SC_BC_BASE_MAX: c_int = 36;
+pub const _SC_BC_DIM_MAX: c_int = 37;
+pub const _SC_BC_SCALE_MAX: c_int = 38;
+pub const _SC_BC_STRING_MAX: c_int = 39;
+pub const _SC_COLL_WEIGHTS_MAX: c_int = 40;
+pub const _SC_EQUIV_CLASS_MAX: c_int = 41;
+pub const _SC_EXPR_NEST_MAX: c_int = 42;
+pub const _SC_LINE_MAX: c_int = 43;
+pub const _SC_RE_DUP_MAX: c_int = 44;
+pub const _SC_CHARCLASS_NAME_MAX: c_int = 45;
+
+pub const _SC_2_VERSION: c_int = 46;
+pub const _SC_2_C_BIND: c_int = 47;
+pub const _SC_2_C_DEV: c_int = 48;
+pub const _SC_2_FORT_DEV: c_int = 49;
+pub const _SC_2_FORT_RUN: c_int = 50;
+pub const _SC_2_SW_DEV: c_int = 51;
+pub const _SC_2_LOCALEDEF: c_int = 52;
+
+pub const _SC_PII: c_int = 53;
+pub const _SC_PII_XTI: c_int = 54;
+pub const _SC_PII_SOCKET: c_int = 55;
+pub const _SC_PII_INTERNET: c_int = 56;
+pub const _SC_PII_OSI: c_int = 57;
+pub const _SC_POLL: c_int = 58;
+pub const _SC_SELECT: c_int = 59;
+pub const _SC_UIO_MAXIOV: c_int = 60;
+pub const _SC_IOV_MAX: c_int = _SC_UIO_MAXIOV;
+pub const _SC_PII_INTERNET_STREAM: c_int = 61;
+pub const _SC_PII_INTERNET_DGRAM: c_int = 62;
+pub const _SC_PII_OSI_COTS: c_int = 63;
+pub const _SC_PII_OSI_CLTS: c_int = 64;
+pub const _SC_PII_OSI_M: c_int = 65;
+pub const _SC_T_IOV_MAX: c_int = 66;
+
+// POSIX threads sysconf options
+pub const _SC_THREADS: c_int = 67;
+pub const _SC_THREAD_SAFE_FUNCTIONS: c_int = 68;
+pub const _SC_GETGR_R_SIZE_MAX: c_int = 69;
+pub const _SC_GETPW_R_SIZE_MAX: c_int = 70;
+pub const _SC_LOGIN_NAME_MAX: c_int = 71;
+pub const _SC_TTY_NAME_MAX: c_int = 72;
+pub const _SC_THREAD_DESTRUCTOR_ITERATIONS: c_int = 73;
+pub const _SC_THREAD_KEYS_MAX: c_int = 74;
+pub const _SC_THREAD_STACK_MIN: c_int = 75;
+pub const _SC_THREAD_THREADS_MAX: c_int = 76;
+pub const _SC_THREAD_ATTR_STACKADDR: c_int = 77;
+pub const _SC_THREAD_ATTR_STACKSIZE: c_int = 78;
+pub const _SC_THREAD_PRIORITY_SCHEDULING: c_int = 79;
+pub const _SC_THREAD_PRIO_INHERIT: c_int = 80;
+pub const _SC_THREAD_PRIO_PROTECT: c_int = 81;
+pub const _SC_THREAD_PROCESS_SHARED: c_int = 82;
+
+pub const _SC_NPROCESSORS_CONF: c_int = 83;
+pub const _SC_NPROCESSORS_ONLN: c_int = 84;
+pub const _SC_PHYS_PAGES: c_int = 85;
+pub const _SC_AVPHYS_PAGES: c_int = 86;
+pub const _SC_ATEXIT_MAX: c_int = 87;
+pub const _SC_PASS_MAX: c_int = 88;
+
+pub const _SC_XOPEN_VERSION: c_int = 89;
+pub const _SC_XOPEN_XCU_VERSION: c_int = 90;
+pub const _SC_XOPEN_UNIX: c_int = 91;
+pub const _SC_XOPEN_CRYPT: c_int = 92;
+pub const _SC_XOPEN_ENH_I18N: c_int = 93;
+pub const _SC_XOPEN_SHM: c_int = 94;
+
+pub const _SC_2_CHAR_TERM: c_int = 95;
+pub const _SC_2_C_VERSION: c_int = 96;
+pub const _SC_2_UPE: c_int = 97;
+
+pub const _SC_XOPEN_XPG2: c_int = 98;
+pub const _SC_XOPEN_XPG3: c_int = 99;
+pub const _SC_XOPEN_XPG4: c_int = 100;
+
+pub const _SC_CHAR_BIT: c_int = 101;
+pub const _SC_CHAR_MAX: c_int = 102;
+pub const _SC_CHAR_MIN: c_int = 103;
+pub const _SC_INT_MAX: c_int = 104;
+pub const _SC_INT_MIN: c_int = 105;
+pub const _SC_LONG_BIT: c_int = 106;
+pub const _SC_WORD_BIT: c_int = 107;
+pub const _SC_MB_LEN_MAX: c_int = 108;
+pub const _SC_NZERO: c_int = 109;
+pub const _SC_SSIZE_MAX: c_int = 110;
+pub const _SC_SCHAR_MAX: c_int = 111;
+pub const _SC_SCHAR_MIN: c_int = 112;
+pub const _SC_SHRT_MAX: c_int = 113;
+pub const _SC_SHRT_MIN: c_int = 114;
+pub const _SC_UCHAR_MAX: c_int = 115;
+pub const _SC_UINT_MAX: c_int = 116;
+pub const _SC_ULONG_MAX: c_int = 117;
+pub const _SC_USHRT_MAX: c_int = 118;
+
+pub const _SC_NL_ARGMAX: c_int = 119;
+pub const _SC_NL_LANGMAX: c_int = 120;
+pub const _SC_NL_MSGMAX: c_int = 121;
+pub const _SC_NL_NMAX: c_int = 122;
+pub const _SC_NL_SETMAX: c_int = 123;
+pub const _SC_NL_TEXTMAX: c_int = 124;
+
+pub const _SC_XBS5_ILP32_OFF32: c_int = 125;
+pub const _SC_XBS5_ILP32_OFFBIG: c_int = 126;
+pub const _SC_XBS5_LP64_OFF64: c_int = 127;
+pub const _SC_XBS5_LPBIG_OFFBIG: c_int = 128;
+
+pub const _SC_XOPEN_LEGACY: c_int = 129;
+pub const _SC_XOPEN_REALTIME: c_int = 130;
+pub const _SC_XOPEN_REALTIME_THREADS: c_int = 131;
+
+pub const _SC_ADVISORY_INFO: c_int = 132;
+pub const _SC_BARRIERS: c_int = 133;
+pub const _SC_BASE: c_int = 134;
+pub const _SC_C_LANG_SUPPORT: c_int = 135;
+pub const _SC_C_LANG_SUPPORT_R: c_int = 136;
+pub const _SC_CLOCK_SELECTION: c_int = 137;
+pub const _SC_CPUTIME: c_int = 138;
+pub const _SC_THREAD_CPUTIME: c_int = 139;
+pub const _SC_DEVICE_IO: c_int = 140;
+pub const _SC_DEVICE_SPECIFIC: c_int = 141;
+pub const _SC_DEVICE_SPECIFIC_R: c_int = 142;
+pub const _SC_FD_MGMT: c_int = 143;
+pub const _SC_FIFO: c_int = 144;
+pub const _SC_PIPE: c_int = 145;
+pub const _SC_FILE_ATTRIBUTES: c_int = 146;
+pub const _SC_FILE_LOCKING: c_int = 147;
+pub const _SC_FILE_SYSTEM: c_int = 148;
+pub const _SC_MONOTONIC_CLOCK: c_int = 149;
+pub const _SC_MULTI_PROCESS: c_int = 150;
+pub const _SC_SINGLE_PROCESS: c_int = 151;
+pub const _SC_NETWORKING: c_int = 152;
+pub const _SC_READER_WRITER_LOCKS: c_int = 153;
+pub const _SC_SPIN_LOCKS: c_int = 154;
+pub const _SC_REGEXP: c_int = 155;
+pub const _SC_REGEX_VERSION: c_int = 156;
+pub const _SC_SHELL: c_int = 157;
+pub const _SC_SIGNALS: c_int = 158;
+pub const _SC_SPAWN: c_int = 159;
+pub const _SC_SPORADIC_SERVER: c_int = 160;
+pub const _SC_THREAD_SPORADIC_SERVER: c_int = 161;
+pub const _SC_SYSTEM_DATABASE: c_int = 162;
+pub const _SC_SYSTEM_DATABASE_R: c_int = 163;
+pub const _SC_TIMEOUTS: c_int = 164;
+pub const _SC_TYPED_MEMORY_OBJECTS: c_int = 165;
+pub const _SC_USER_GROUPS: c_int = 166;
+pub const _SC_USER_GROUPS_R: c_int = 167;
+pub const _SC_2_PBS: c_int = 168;
+pub const _SC_2_PBS_ACCOUNTING: c_int = 169;
+pub const _SC_2_PBS_LOCATE: c_int = 170;
+pub const _SC_2_PBS_MESSAGE: c_int = 171;
+pub const _SC_2_PBS_TRACK: c_int = 172;
+pub const _SC_SYMLOOP_MAX: c_int = 173;
+pub const _SC_STREAMS: c_int = 174;
+pub const _SC_2_PBS_CHECKPOINT: c_int = 175;
+
+pub const _SC_V6_ILP32_OFF32: c_int = 176;
+pub const _SC_V6_ILP32_OFFBIG: c_int = 177;
+pub const _SC_V6_LP64_OFF64: c_int = 178;
+pub const _SC_V6_LPBIG_OFFBIG: c_int = 179;
+
+pub const _SC_HOST_NAME_MAX: c_int = 180;
+pub const _SC_TRACE: c_int = 181;
+pub const _SC_TRACE_EVENT_FILTER: c_int = 182;
+pub const _SC_TRACE_INHERIT: c_int = 183;
+pub const _SC_TRACE_LOG: c_int = 184;
+
+pub const _SC_LEVEL1_ICACHE_SIZE: c_int = 185;
+pub const _SC_LEVEL1_ICACHE_ASSOC: c_int = 186;
+pub const _SC_LEVEL1_ICACHE_LINESIZE: c_int = 187;
+pub const _SC_LEVEL1_DCACHE_SIZE: c_int = 188;
+pub const _SC_LEVEL1_DCACHE_ASSOC: c_int = 189;
+pub const _SC_LEVEL1_DCACHE_LINESIZE: c_int = 190;
+pub const _SC_LEVEL2_CACHE_SIZE: c_int = 191;
+pub const _SC_LEVEL2_CACHE_ASSOC: c_int = 192;
+pub const _SC_LEVEL2_CACHE_LINESIZE: c_int = 193;
+pub const _SC_LEVEL3_CACHE_SIZE: c_int = 194;
+pub const _SC_LEVEL3_CACHE_ASSOC: c_int = 195;
+pub const _SC_LEVEL3_CACHE_LINESIZE: c_int = 196;
+pub const _SC_LEVEL4_CACHE_SIZE: c_int = 197;
+pub const _SC_LEVEL4_CACHE_ASSOC: c_int = 198;
+pub const _SC_LEVEL4_CACHE_LINESIZE: c_int = 199;
+
+pub const _SC_IPV6: c_int = 235;
+pub const _SC_RAW_SOCKETS: c_int = 236;
+
+pub const _SC_V7_ILP32_OFF32: c_int = 237;
+pub const _SC_V7_ILP32_OFFBIG: c_int = 238;
+pub const _SC_V7_LP64_OFF64: c_int = 239;
+pub const _SC_V7_LPBIG_OFFBIG: c_int = 240;
+
+pub const _SC_SS_REPL_MAX: c_int = 241;
+
+pub const _SC_TRACE_EVENT_NAME_MAX: c_int = 242;
+pub const _SC_TRACE_NAME_MAX: c_int = 243;
+pub const _SC_TRACE_SYS_MAX: c_int = 244;
+pub const _SC_TRACE_USER_EVENT_MAX: c_int = 245;
+
+pub const _SC_XOPEN_STREAMS: c_int = 246;
+
+pub const _SC_THREAD_ROBUST_PRIO_INHERIT: c_int = 247;
+pub const _SC_THREAD_ROBUST_PRIO_PROTECT: c_int = 248;
+
+// Note: QuRT doesn't use traditional syscalls but has its own API