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Add more apis to redbean unix module

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- Document unix.fcntl()
- Add POSIX Advisory Locks
- Add mask parameter to unix.poll()
- Add lowest parameter to unix.dup()
This commit is contained in:
Justine Tunney 2022-08-16 23:23:34 -07:00
parent ce588dd56b
commit a1aaf23dc1
16 changed files with 432 additions and 102 deletions
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7
libc/calls/fcntl-nt.c
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@ -110,8 +110,9 @@ textwindows int sys_fcntl_nt(int fd, int cmd, uintptr_t arg) {
uint32_t flags;
if (__isfdkind(fd, kFdFile) || __isfdkind(fd, kFdSocket)) {
if (cmd == F_GETFL) {
return g_fds.p[fd].flags & (O_ACCMODE | O_APPEND | O_ASYNC | O_DIRECT |
O_NOATIME | O_NONBLOCK);
return g_fds.p[fd].flags &
(O_ACCMODE | O_APPEND | O_ASYNC | O_DIRECT | O_NOATIME |
O_NONBLOCK | O_RANDOM | O_SEQUENTIAL);
} else if (cmd == F_SETFL) {
// O_APPEND doesn't appear to be tunable at cursory glance
// O_NONBLOCK might require we start doing all i/o in threads
@ -131,7 +132,7 @@ textwindows int sys_fcntl_nt(int fd, int cmd, uintptr_t arg) {
g_fds.p[fd].flags &= ~O_CLOEXEC;
return 0;
}
} else if (cmd == F_SETLK || cmd == F_SETLKW) {
} else if (cmd == F_SETLK || cmd == F_SETLKW || cmd == F_GETLK) {
return sys_fcntl_nt_lock(g_fds.p + fd, cmd, arg);
} else if (cmd == F_DUPFD || cmd == F_DUPFD_CLOEXEC) {
return sys_fcntl_nt_dupfd(fd, cmd, arg);