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Make improvements
- Introduce ualarm() function - Make rename() report EISEMPTY on Windows - Always raise EINVAL upon open(O_RDONLY|O_TRUNC) - Add macro so ./configure will detect SOCK_CLOEXEC - Fix O_TRUNC without O_CREAT not working on Windows - Let fcntl(F_SETFL) change O_APPEND status on Windows - Make sure pwrite() / pread() report ESPIPE on sockets - Raise ESPIPE on Windows when pwrite() is used on pipe - Properly compute O_APPEND CreateFile() flags on Windows - Don't require O_DIRECTORY to open directories on Windows - Fix more instances of Windows reporting EISDIR and ENOTDIR - Normalize EFTYPE and EMLINK to ELOOP on NetBSD and FreeBSD - Make unlink() / rmdir() work on read-only files on Windows - Validate UTF-8 on Windows paths to fix bug with overlong NUL - Always print signal name to stderr when crashing due to SIG_DFL - Fix Windows bug where denormalized paths >260 chars didn't work - Block signals on BSDs when thread exits before trashing its own stack
This commit is contained in:
Justine Tunney
parent
ec957491ea
commit
ebf784d4f5
76 changed files with 1019 additions and 568 deletions
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@ -185,30 +185,28 @@ syscon open O_CREAT 0x00000040 0x00000040 0x00000200 0x00000200 0x000002
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syscon open O_EXCL 0x00000080 0x00000080 0x00000800 0x00000800 0x00000800 0x00000800 0x00000800 0x00000080 # bsd consensus & NT faked as Linux [SYNC libc/calls/open-nt.c]
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syscon open O_TRUNC 0x00000200 0x00000200 0x00000400 0x00000400 0x00000400 0x00000400 0x00000400 0x00000200 # bsd consensus & NT faked as Linux [SYNC libc/calls/open-nt.c]
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syscon open O_DIRECTORY 0x00010000 0x00004000 0x00100000 0x00100000 0x00020000 0x00020000 0x00200000 0x00010000 # useful hint on UNIX, but required on NT (see kNtFileFlagBackupSemantics) [SYNC libc/calls/open-nt.c]
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syscon open O_NOFOLLOW 0x00020000 0x00008000 0x00000100 0x00000100 0x00000100 0x00000100 0x00000100 0x00020000 # bsd consensus; kNtFileFlagOpenReparsePoint
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syscon open O_DIRECT 0x00004000 0x00010000 0 0 0x00010000 0 0x00080000 0x00004000 # kNtFileFlagNoBuffering [SYNC libc/calls/open-nt.c]
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syscon open O_NDELAY 0x00000800 0x00000800 0x00000004 0x00000004 0x00000004 0x00000004 0x00000004 0x00000800 # kNtFileFlagWriteThrough [SYNC libc/calls/open-nt.c]
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syscon open O_RANDOM 0 0 0 0 0 0 0 0x80000000 # kNtFileFlagRandomAccess [SYNC libc/calls/open-nt.c]
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syscon open O_SEQUENTIAL 0 0 0 0 0 0 0 0x40000000 # kNtFileFlagSequentialScan [SYNC libc/calls/open-nt.c]
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syscon open O_COMPRESSED 0 0 0 0 0 0 0 0x20000000 # kNtFileAttributeCompressed [SYNC libc/calls/open-nt.c]
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syscon open O_NOFOLLOW 0x00020000 0x00008000 0x00000100 0x00000100 0x00000100 0x00000100 0x00000100 0x00020000 # don't follow symlinks in the final path component; bsd consensus; kNtFileFlagOpenReparsePoint
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syscon open O_DIRECT 0x00004000 0x00010000 0xffffffff 0xffffffff 0x00010000 0xffffffff 0x00080000 0x00004000 # kNtFileFlagNoBuffering [SYNC libc/calls/open-nt.c]
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syscon open O_NONBLOCK 0x00000800 0x00000800 0x00000004 0x00000004 0x00000004 0x00000004 0x00000004 0x00000800 # same as O_NDELAY; overlaps with kNtFileFlagWriteThrough which we don't actually pass to win32 (we implement non-blocking ourselves using overlapped i/o)
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syscon open O_RANDOM 0 0 0 0 0 0 0 0x80000000 # kNtFileFlagRandomAccess [SYNC libc/calls/open-nt.c]
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syscon open O_SEQUENTIAL 0 0 0 0 0 0 0 0x40000000 # kNtFileFlagSequentialScan [SYNC libc/calls/open-nt.c]
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syscon open O_COMPRESSED 0 0 0 0 0 0 0 0x20000000 # kNtFileAttributeCompressed [SYNC libc/calls/open-nt.c]
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syscon open O_INDEXED 0 0 0 0 0 0 0 0x10000000 # !kNtFileAttributeNotContentIndexed [SYNC libc/calls/open-nt.c]
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syscon open O_CLOEXEC 0x00080000 0x00080000 0x01000000 0x01000000 0x00100000 0x00010000 0x00400000 0x00080000 # NT faked as Linux [SYNC libc/calls/open-nt.c]
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syscon open O_TMPFILE 0x00410000 0x00404000 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff # please use tmpfd(); Linux 3.11+ (c. 2013) __O_TMPFILE | O_DIRECTORY; kNtFileAttributeTemporary|kNtFileFlagDeleteOnClose [SYNC libc/calls/open-nt.c]
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syscon open O_SPARSE 0 0 0 0 0 0 0 0 # wut
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syscon open O_NONBLOCK 0x00000800 0x00000800 0x00000004 0x00000004 0x00000004 0x00000004 0x00000004 0x00000800 # bsd consensus
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syscon open O_ASYNC 0x00002000 0x00002000 0x00000040 0x00000040 0x00000040 0x00000040 0x00000040 0 # bsd consensus
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syscon open O_NOFOLLOW_ANY 0 0 0x20000000 0x20000000 0 0 0 0 #
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syscon open O_SYNC 0x00101000 0x00101000 0x00000080 0x00000080 0x00000080 0x00000080 0x00000080 0 # bsd consensus
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syscon open O_ASYNC 0x00002000 0x00002000 0x00000040 0x00000040 0x00000040 0x00000040 0x00000040 0xffffffff # bsd consensus
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syscon open O_NOFOLLOW_ANY 0xffffffff 0xffffffff 0x20000000 0x20000000 0xffffffff 0xffffffff 0xffffffff 0xffffffff # don't follow symlinks in any path component
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syscon open O_SYNC 0x00101000 0x00101000 0x00000080 0x00000080 0x00000080 0x00000080 0x00000080 0xffffffff # bsd consensus
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syscon open O_NOCTTY 0x00000100 0x00000100 0x00020000 0x00020000 0x00008000 0x00008000 0x00008000 0 # used for remote viewing (default behavior on freebsd)
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syscon open O_NOATIME 0x00040000 0x00040000 0 0 0 0 0 0 # optimize away access time update
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syscon open O_EXEC 0x00200000 0x00200000 0 0x40000000 0x00040000 0 0x04000000 0 # open only for executing (POSIX.1 hack for when file mode is 0111); see fexecve(); O_PATH on Linux
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syscon open O_SEARCH 0 0 0 0x40100000 0x00040000 0 0x00800000 0 # it's specified by posix what does it mean
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syscon open O_DSYNC 0x00001000 0x00001000 0x00400000 0x00400000 0 0x00000080 0x00010000 0 #
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syscon open O_RSYNC 0x00101000 0x00101000 0 0 0 0x00000080 0x00020000 0 #
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syscon open O_PATH 0x00200000 0x00200000 0 0 0 0 0 0 # Linux 2.6.39+
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syscon open O_VERIFY 0 0 0 0 0x00200000 0 0 0 #
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syscon open O_SHLOCK 0 0 0x00000010 0x00000010 0x00000010 0x00000010 0x00000010 0 #
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syscon open O_EXLOCK 0 0 0x00000020 0x00000020 0x00000020 0x00000020 0x00000020 0 #
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syscon open O_SEARCH 0xffffffff 0xffffffff 0xffffffff 0x40100000 0x00040000 0xffffffff 0x00800000 0xffffffff # it's specified by posix what does it mean
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syscon open O_DSYNC 0x00001000 0x00001000 0x00400000 0x00400000 0xffffffff 0x00000080 0x00010000 0xffffffff #
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syscon open O_RSYNC 0x00101000 0x00101000 0xffffffff 0xffffffff 0xffffffff 0x00000080 0x00020000 0xffffffff #
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syscon open O_PATH 0x00200000 0x00200000 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0xffffffff # Linux 2.6.39+
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syscon open O_VERIFY 0xffffffff 0xffffffff 0xffffffff 0xffffffff 0x00200000 0xffffffff 0xffffffff 0xffffffff #
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syscon open O_SHLOCK 0xffffffff 0xffffffff 0x00000010 0x00000010 0x00000010 0x00000010 0x00000010 0xffffffff #
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syscon open O_EXLOCK 0xffffffff 0xffffffff 0x00000020 0x00000020 0x00000020 0x00000020 0x00000020 0xffffffff #
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syscon open O_TTY_INIT 0 0 0 0 0x00080000 0 0 0 #
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syscon compat O_LARGEFILE 0x00008000 0x00020000 0 0 0 0 0 0 #
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@ -1047,7 +1045,7 @@ syscon limits MAX_INPUT 255 255 1024 1024 255 255 255 255 # w
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syscon limits SOMAXCONN 4096 4096 128 128 128 128 128 2147483647 # maximum backlog for listen()
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syscon limits _ARG_MAX 128*1024 128*1024 1024*1024 1024*1024 512*1024 512*1024 256*1024 32767*2 # bsd consensus
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syscon limits _NAME_MAX 255 255 255 255 255 255 511 255 # probably higher on windows?
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syscon limits _PATH_MAX 4096 4096 1024 1024 1024 1024 1024 512 # cosmopolitan libc imposes a lower 512 limit; nt theoretically goes up to 32767
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syscon limits _PATH_MAX 4096 4096 1024 1024 1024 1024 1024 32767 # win32 paths are 260 characters max. even with unc paths, cosmo wrappers won't go beyond 1024 chars
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syscon limits _NSIG 64 64 32 32 128 32 64 64 # _SIG_MAXSIG on FreeBSD
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# unmount() flags
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