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Improve system call wrappers

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This change improves copy_file_range(), sendfile(), splice(), openpty(),
closefrom(), close_range(), fadvise() and posix_fadvise() in addition to
writing tests that confirm things like errno and seeking behavior across
platforms. We now less aggressively polyfill behavior with some of these
functions when the platform support isn't available. Please see:

https://justine.lol/cosmopolitan/functions.html
This commit is contained in:
Justine Tunney 2022-09-19 15:01:48 -07:00
parent 224c12f54d
commit c7a8cd21e9
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GPG key ID: BE714B4575D6E328
89 changed files with 1151 additions and 414 deletions
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6
libc/calls/syscall_support-sysv.internal.h
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@ -20,8 +20,10 @@ void *__vdsosym(const char *, const char *) hidden;
void __onfork(void) hidden;
void __restore_rt() hidden;
void __restore_rt_netbsd(void) hidden;
void cosmo2flock(uintptr_t);
void flock2cosmo(uintptr_t);
void cosmo2flock(uintptr_t) hidden;
void flock2cosmo(uintptr_t) hidden;
int _ptsname(int, char *, size_t) hidden;
int _isptmaster(int) hidden;
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */