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Improve system call polyfills

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- 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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10
libc/stdio/spawn.h
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@ -16,12 +16,18 @@ COSMOPOLITAN_C_START_
typedef char *posix_spawn_file_actions_t;
typedef struct _posix_spawnattr posix_spawnattr_t;
int posix_spawn(int *, const char *, const posix_spawn_file_actions_t *,
const posix_spawnattr_t *, char *const[], char *const[]);
int posix_spawnp(int *, const char *, const posix_spawn_file_actions_t *,
const posix_spawnattr_t *, char *const[], char *const[]);
int posix_spawn_file_actions_init(posix_spawn_file_actions_t *);
int posix_spawn_file_actions_destroy(posix_spawn_file_actions_t *);
int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *, int);
int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *, int, int);
int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *, int,
const char *, int, unsigned);
int posix_spawnattr_init(posix_spawnattr_t *);
int posix_spawnattr_destroy(posix_spawnattr_t *);
int posix_spawnattr_getflags(const posix_spawnattr_t *, short *);
@ -38,10 +44,6 @@ int posix_spawnattr_getsigmask(const posix_spawnattr_t *, sigset_t *);
int posix_spawnattr_setsigmask(posix_spawnattr_t *, const sigset_t *);
int posix_spawnattr_getdefault(const posix_spawnattr_t *, sigset_t *);
int posix_spawnattr_setsigdefault(posix_spawnattr_t *, const sigset_t *);
int posix_spawn(int *, const char *, const posix_spawn_file_actions_t *,
const posix_spawnattr_t *, char *const[], char *const[]);
int posix_spawnp(int *, const char *, const posix_spawn_file_actions_t *,
const posix_spawnattr_t *, char *const[], char *const[]);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */