cosmopolitan/libc/sock/select.h
Justine Tunney f531acc8f9
Make improvements
- Invent openatemp() API
- Invent O_UNLINK open flag
- Introduce getenv_secure() API
- Remove `git pull` from cosmocc
- Fix utimes() when path is NULL
- Fix mktemp() to never return NULL
- Fix utimensat() UTIME_OMIT on XNU
- Improve utimensat() code for RHEL5
- Turn `argv[0]` C:/ to /C/ on Windows
- Introduce tmpnam() and tmpnam_r() APIs
- Fix more const issues with internal APIs
- Permit utimes() on WIN32 in O_RDONLY mode
- Fix fdopendir() to check fd is a directory
- Fix recent crash regression in landlock make
- Fix futimens(AT_FDCWD, NULL) to return EBADF
- Use workaround so `make -j` doesn't fork bomb
- Rename dontdiscard to __wur (just like glibc)
- Fix st_size for WIN32 symlinks containing UTF-8
- Introduce stdio ext APIs needed by GNU coreutils
- Fix lstat() on WIN32 for symlinks to directories
- Move some constants from normalize.inc to limits.h
- Fix segv with memchr() and memcmp() overlapping page
- Implement POSIX fflush() behavior for reader streams
- Implement AT_SYMLINK_NOFOLLOW for utimensat() on WIN32
- Don't change read-only status of existing files on WIN32
- Correctly handle `0x[^[:xdigit:]]` case in strtol() functions
2023-09-06 12:34:59 -07:00

29 lines
1.1 KiB
C

#ifndef COSMOPOLITAN_LIBC_SOCK_SELECT_H_
#define COSMOPOLITAN_LIBC_SOCK_SELECT_H_
#include "libc/calls/struct/sigset.h"
#include "libc/calls/struct/timespec.h"
#include "libc/calls/struct/timeval.h"
#include "libc/str/str.h"
#define FD_SETSIZE 1024 /* it's 64 on windows */
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
typedef struct fd_set {
unsigned long fds_bits[FD_SETSIZE / (sizeof(long) * 8)];
} fd_set;
#define FD_ISSET(FD, SET) (((SET)->fds_bits[(FD) >> 6] >> ((FD)&63)) & 1)
#define FD_SET(FD, SET) ((SET)->fds_bits[(FD) >> 6] |= 1ull << ((FD)&63))
#define FD_CLR(FD, SET) ((SET)->fds_bits[(FD) >> 6] &= ~(1ull << ((FD)&63)))
#define FD_ZERO(SET) bzero((SET)->fds_bits, sizeof((SET)->fds_bits))
#define FD_SIZE(bits) (((bits) + (sizeof(long) * 8) - 1) / sizeof(long))
int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
int pselect(int, fd_set *, fd_set *, fd_set *, const struct timespec *,
const sigset_t *);
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_SOCK_SELECT_H_ */