Improve system call polyfills

- Polyfill open() w/ O_CLOEXEC on RHEL5
- Remove old workaround from rmdir() on the New Technology
- preadv() and pwritev() are now smarter about demodernization
- preadv() and pwritev() are now available on the New Technology
This commit is contained in:
Justine Tunney 2021-03-08 10:07:02 -08:00
parent 816b0e1851
commit 0ad609268f
21 changed files with 260 additions and 117 deletions

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@ -0,0 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon auxv,AT_FLAGS,8,0,0,0,0,0

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@ -0,0 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon auxv,AT_HWCAP,16,0,0,0,0,0

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@ -0,0 +1,2 @@
#include "libc/sysv/consts/syscon.internal.h"
.syscon auxv,AT_HWCAP2,26,0,0,0,0,0

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@ -13,7 +13,10 @@ extern const long AT_ENTRY;
extern const long AT_EUID;
extern const long AT_EXECFD;
extern const long AT_EXECFN;
extern const long AT_FLAGS;
extern const long AT_GID;
extern const long AT_HWCAP2;
extern const long AT_HWCAP;
extern const long AT_ICACHEBSIZE;
extern const long AT_NOTELF;
extern const long AT_NO_AUTOMOUNT;
@ -41,7 +44,10 @@ COSMOPOLITAN_C_END_
#define AT_EUID SYMBOLIC(AT_EUID)
#define AT_EXECFD SYMBOLIC(AT_EXECFD)
#define AT_EXECFN SYMBOLIC(AT_EXECFN)
#define AT_FLAGS SYMBOLIC(AT_FLAGS)
#define AT_GID SYMBOLIC(AT_GID)
#define AT_HWCAP SYMBOLIC(AT_HWCAP)
#define AT_HWCAP2 SYMBOLIC(AT_HWCAP2)
#define AT_ICACHEBSIZE SYMBOLIC(AT_ICACHEBSIZE)
#define AT_NOTELF SYMBOLIC(AT_NOTELF)
#define AT_NO_AUTOMOUNT SYMBOLIC(AT_NO_AUTOMOUNT)