snapshot before regression test

2026-07-18 19:25:40 +08:00
commit 796222a300
2295 changed files with 206453 additions and 0 deletions
--- a/includes/posix.py
+++ b/includes/posix.py
@@ -0,0 +1,265 @@
+import t, c
+from stdint import *
+
+
+# =============================================================================
+# POSIX 类型别名
+# 注意：ssize_t 已在 stdint.py 中定义为 t.CPtrDiffT，此处不再重复
+# =============================================================================
+DIR:       t.CTypedef = t.CVoid | t.CPtr        # 不透明目录流句柄
+mode_t:    t.CTypedef = t.CUInt32T              # 文件模式/权限位
+pid_t:     t.CTypedef = t.CInt32T               # 进程 ID
+off_t:     t.CTypedef = t.CInt64T               # 文件偏移量（Linux x86_64）
+dev_t:     t.CTypedef = t.CUInt64T              # 设备号
+ino_t:     t.CTypedef = t.CUInt64T              # inode 号
+nlink_t:   t.CTypedef = t.CUInt64T              # 硬链接数
+uid_t:     t.CTypedef = t.CUInt32T              # 用户 ID
+gid_t:     t.CTypedef = t.CUInt32T              # 组 ID
+blksize_t: t.CTypedef = t.CInt64T               # 文件系统 I/O 块大小
+blkcnt_t:  t.CTypedef = t.CInt64T               # 已分配块数
+time_t:    t.CTypedef = t.CInt64T               # 日历时间秒数
+
+
+# =============================================================================
+# open() 标志位
+# =============================================================================
+O_RDONLY:   t.CDefine = 0
+O_WRONLY:   t.CDefine = 1
+O_RDWR:     t.CDefine = 2
+O_CREAT:    t.CDefine = 0o100
+O_EXCL:     t.CDefine = 0o200
+O_TRUNC:    t.CDefine = 0o1000
+O_APPEND:   t.CDefine = 0o2000
+O_NONBLOCK: t.CDefine = 0o4000
+O_CLOEXEC:  t.CDefine = 0o2000000
+
+
+# =============================================================================
+# access() 测试标志
+# =============================================================================
+F_OK: t.CDefine = 0    # 文件存在
+R_OK: t.CDefine = 4    # 可读
+W_OK: t.CDefine = 2    # 可写
+X_OK: t.CDefine = 1    # 可执行
+
+
+# =============================================================================
+# stat 结构体的 st_mode 掩码与类型位
+# =============================================================================
+S_IFMT:   t.CDefine = 0o170000   # 类型掩码
+S_IFSOCK: t.CDefine = 0o140000   # 套接字
+S_IFLNK:  t.CDefine = 0o120000   # 符号链接
+S_IFREG:  t.CDefine = 0o100000   # 普通文件
+S_IFBLK:  t.CDefine = 0o060000   # 块设备
+S_IFDIR:  t.CDefine = 0o040000   # 目录
+S_IFCHR:  t.CDefine = 0o020000   # 字符设备
+S_IFIFO:  t.CDefine = 0o010000   # FIFO/管道
+
+# 权限位
+S_ISUID: t.CDefine = 0o4000    # set-user-ID
+S_ISGID: t.CDefine = 0o2000    # set-group-ID
+S_ISVTX: t.CDefine = 0o1000    # sticky 位
+S_IRWXU: t.CDefine = 0o700     # 用户读写执行
+S_IRUSR: t.CDefine = 0o400     # 用户读
+S_IWUSR: t.CDefine = 0o200     # 用户写
+S_IXUSR: t.CDefine = 0o100     # 用户执行
+S_IRWXG: t.CDefine = 0o070     # 组读写执行
+S_IRGRP: t.CDefine = 0o040     # 组读
+S_IWGRP: t.CDefine = 0o020     # 组写
+S_IXGRP: t.CDefine = 0o010     # 组执行
+S_IRWXO: t.CDefine = 0o007     # 其他读写执行
+S_IROTH: t.CDefine = 0o004     # 其他读
+S_IWOTH: t.CDefine = 0o002     # 其他写
+S_IXOTH: t.CDefine = 0o001     # 其他执行
+
+
+# =============================================================================
+# lseek() whence 值
+# =============================================================================
+SEEK_SET: t.CDefine = 0
+SEEK_CUR: t.CDefine = 1
+SEEK_END: t.CDefine = 2
+
+
+# =============================================================================
+# 路径/名称长度限制
+# =============================================================================
+PATH_MAX: t.CDefine = 4096
+NAME_MAX: t.CDefine = 255
+
+
+# =============================================================================
+# sysconf() 参数
+# =============================================================================
+_SC_NPROCESSORS_ONLN: t.CDefine = 84
+_SC_PAGESIZE:         t.CDefine = 30
+_SC_CLK_TCK:          t.CDefine = 2
+
+
+# =============================================================================
+# dirent 结构体的 d_type 值
+# =============================================================================
+DT_UNKNOWN: t.CDefine = 0
+DT_FIFO:    t.CDefine = 1
+DT_CHR:     t.CDefine = 2
+DT_DIR:     t.CDefine = 4
+DT_BLK:     t.CDefine = 6
+DT_REG:     t.CDefine = 8
+DT_LNK:     t.CDefine = 10
+DT_SOCK:    t.CDefine = 12
+DT_WHT:     t.CDefine = 14
+
+
+# =============================================================================
+# waitpid() 选项
+# =============================================================================
+WNOHANG:    t.CDefine = 1
+WUNTRACED:  t.CDefine = 2
+WCONTINUED: t.CDefine = 8
+
+
+# =============================================================================
+# 结构体：Linux x86_64 布局
+# =============================================================================
+
+# struct stat（144 字节，Linux x86_64 glibc 布局）
+# 注意：st_atim/st_mtim/st_ctim 在 C 中是 struct timespec { tv_sec; tv_nsec; }
+# 此处拆分为 _sec/_nsec 两个 LONGLONG 字段以保持二进制兼容
+class Stat():
+    st_dev:       dev_t         # @ 0
+    st_ino:       ino_t         # @ 8
+    st_nlink:     nlink_t       # @ 16
+    st_mode:      mode_t        # @ 24
+    st_uid:       uid_t         # @ 28
+    st_gid:       gid_t         # @ 32
+    __pad0:       INT           # @ 36
+    st_rdev:      dev_t         # @ 40
+    st_size:      off_t         # @ 48
+    st_blksize:   blksize_t     # @ 56
+    st_blocks:    blkcnt_t      # @ 64
+    st_atim_sec:  time_t        # @ 72
+    st_atim_nsec: LONGLONG      # @ 80
+    st_mtim_sec:  time_t        # @ 88
+    st_mtim_nsec: LONGLONG      # @ 96
+    st_ctim_sec:  time_t        # @ 104
+    st_ctim_nsec: LONGLONG      # @ 112
+    __unused0:    LONGLONG      # @ 120
+    __unused1:    LONGLONG      # @ 128
+    __unused2:    LONGLONG      # @ 136
+
+
+# struct dirent（Linux x86_64，d_name 为 char[256]）
+# 注意：d_name 实际是定长 char[256]，TransPyC 用 CHARPTR 占位（8 字节）。
+# 用户通常通过 readdir 返回的只读指针访问，不直接分配 Dirent 结构体。
+class Dirent():
+    d_ino:    ino_t            # @ 0
+    d_off:    off_t            # @ 8
+    d_reclen: USHORT           # @ 16
+    d_type:   BYTE             # @ 18
+    d_name:   CHARPTR          # @ 19（实际为 char[256]，此处占位）
+
+
+# =============================================================================
+# 文件操作函数（10 个）
+# =============================================================================
+def open(path: t.CConst | str, oflag: INT, *args) -> INT | t.State: pass
+def close(fd: INT) -> INT | t.State: pass
+def read(fd: INT, buf: bytes, count: t.CSizeT) -> ssize_t | t.State: pass
+def write(fd: INT, buf: t.CConst | bytes, count: t.CSizeT) -> ssize_t | t.State: pass
+def lseek(fd: INT, offset: off_t, whence: INT) -> off_t | t.State: pass
+def unlink(path: t.CConst | str) -> INT | t.State: pass
+def access(path: t.CConst | str, amode: INT) -> INT | t.State: pass
+def realpath(path: t.CConst | str, resolved: CHARPTR) -> CHARPTR | t.State: pass
+def rename(oldpath: t.CConst | str, newpath: t.CConst | str) -> INT | t.State: pass
+def chmod(path: t.CConst | str, mode: mode_t) -> INT | t.State: pass
+
+
+# =============================================================================
+# stat 系列（2 个）
+# =============================================================================
+def stat(path: t.CConst | str, buf: Stat | t.CPtr) -> INT | t.State: pass
+def fstat(fd: INT, buf: Stat | t.CPtr) -> INT | t.State: pass
+
+
+# =============================================================================
+# 目录操作（6 个）
+# =============================================================================
+def opendir(name: t.CConst | str) -> DIR | t.CPtr | t.State: pass
+def readdir(dirp: DIR | t.CPtr) -> Dirent | t.CPtr | t.State: pass
+def closedir(dirp: DIR | t.CPtr) -> INT | t.State: pass
+def mkdir(path: t.CConst | str, mode: mode_t) -> INT | t.State: pass
+def rmdir(path: t.CConst | str) -> INT | t.State: pass
+def getcwd(buf: CHARPTR, size: t.CSizeT) -> CHARPTR | t.State: pass
+def chdir(path: t.CConst | str) -> INT | t.State: pass
+
+
+# =============================================================================
+# 进程/管道（8 个）
+# =============================================================================
+def fork() -> pid_t | t.State: pass
+def execvp(file: t.CConst | str, argv: CHARPTR | t.CPtr) -> INT | t.State: pass
+def execv(path: t.CConst | str, argv: CHARPTR | t.CPtr) -> INT | t.State: pass
+def waitpid(pid: pid_t, status: INT | t.CPtr, options: INT) -> pid_t | t.State: pass
+def pipe(fds: INT | t.CPtr) -> INT | t.State: pass
+def dup2(oldfd: INT, newfd: INT) -> INT | t.State: pass
+def _exit(status: INT) -> t.CVoid | t.State: pass
+def getpid() -> pid_t | t.State: pass
+
+
+# =============================================================================
+# 环境/系统（4 个）
+# =============================================================================
+def getenv(name: t.CConst | str) -> CHARPTR | t.State: pass
+def setenv(name: t.CConst | str, value: t.CConst | str, overwrite: INT) -> INT | t.State: pass
+def sysconf(name: INT) -> LONG | t.State: pass
+def isatty(fd: INT) -> INT | t.State: pass
+
+
+# =============================================================================
+# 内联宏（C 宏，用 TransPyC 普通函数实现，不标记 t.CExtern）
+# =============================================================================
+
+# st_mode 类型判定
+def S_ISREG(mode: mode_t) -> bool:
+    return (mode & S_IFMT) == S_IFREG
+
+
+def S_ISDIR(mode: mode_t) -> bool:
+    return (mode & S_IFMT) == S_IFDIR
+
+
+def S_ISLNK(mode: mode_t) -> bool:
+    return (mode & S_IFMT) == S_IFLNK
+
+
+def S_ISCHR(mode: mode_t) -> bool:
+    return (mode & S_IFMT) == S_IFCHR
+
+
+def S_ISBLK(mode: mode_t) -> bool:
+    return (mode & S_IFMT) == S_IFBLK
+
+
+def S_ISFIFO(mode: mode_t) -> bool:
+    return (mode & S_IFMT) == S_IFIFO
+
+
+def S_ISSOCK(mode: mode_t) -> bool:
+    return (mode & S_IFMT) == S_IFSOCK
+
+
+# waitpid 状态解析
+def WIFEXITED(status: INT) -> bool:
+    return (status & 0x7F) == 0
+
+
+def WEXITSTATUS(status: INT) -> INT:
+    return (status >> 8) & 0xFF
+
+
+def WIFSIGNALED(status: INT) -> bool:
+    return ((status & 0x7F) != 0) and ((status & 0x7F) != 0x7F)
+
+
+def WTERMSIG(status: INT) -> INT:
+    return status & 0x7F