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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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11
libc/calls/syscall-sysv.internal.h
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@ -53,9 +53,9 @@ i32 sys_getpgid(i32) hidden;
i32 sys_getpgrp(void) hidden;
i32 sys_getppid(void) hidden;
i32 sys_getpriority(i32, u32) hidden;
i32 sys_getresgid(u32 *, u32 *, u32 *);
i32 sys_getresuid(u32 *, u32 *, u32 *);
i32 sys_getsid(int) hidden;
i32 sys_getresgid(u32 *, u32 *, u32 *) hidden;
i32 sys_getresuid(u32 *, u32 *, u32 *) hidden;
i32 sys_getsid(i32) hidden;
i32 sys_gettid(void) hidden;
i32 sys_ioctl(i32, u64, ...) hidden;
i32 sys_issetugid(void) hidden;
@ -112,11 +112,10 @@ i64 sys_pread(i32, void *, u64, i64, i64) hidden;
i64 sys_pwrite(i32, const void *, u64, i64, i64) hidden;
i64 sys_read(i32, void *, u64) hidden;
i64 sys_readlink(const char *, char *, u64) hidden;
i64 sys_readlinkat(int, const char *, char *, u64) hidden;
i64 sys_readlinkat(i32, const char *, char *, u64) hidden;
i64 sys_sendfile(i32, i32, i64 *, u64) hidden;
i64 sys_splice(i32, i64 *, i32, i64 *, u64, u32) hidden;
i64 sys_write(i32, const void *, u64) hidden;
int _isptmaster(int);
u32 sys_getegid(void) hidden;
u32 sys_geteuid(void) hidden;
u32 sys_getgid(void) hidden;
@ -124,7 +123,7 @@ u32 sys_getuid(void) hidden;
u32 sys_umask(u32) hidden;
void *__sys_mmap(void *, u64, u32, u32, i64, i64, i64) hidden;
void *sys_mremap(void *, u64, u64, i32, void *) hidden;
void sys_exit(int) hidden;
void sys_exit(i32) hidden;
#undef i32
#undef i64