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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
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@ -34,17 +34,14 @@ cosmocc --update # pull cosmo and rebuild toolchain
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```
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You've now successfully installed your very own cosmos. Now let's build
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an example program, which demonstrates the crash reporting feature:
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an example program:
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```c
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// hello.c
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#include <stdio.h>
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#include <cosmo.h>
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int main() {
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ShowCrashReports();
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printf("hello world\n");
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__builtin_trap();
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}
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```
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