lib/libsys/open.2

32 .Nm open , openat
33 .Nd open or create a file for reading, writing or executing
39 .Fn open "const char *path" "int flags" "..."
57 .Fn open
72 .Fn open
95 .Fn open .
104 .Fn open .
125 .Fn open
164 open for reading only
166 open for writing only
168 open for reading and writing
170 open for execute only
172 open for search only
178 do not block on open
228 open file referenced by
232 open a named attribute or named attribute directory
259 .Fn open
274 The open' request for a lock on the file, created with
288 .Fn open
295 .Fn open
299 .Fn open
320 .Fn open
322 .Fn open
351 .Fn open
364 .Fn open
372 from opening files which are even unsafe to open with
392 flag, remaining open in the parent.
404 be verified before allowing the open to proceed.
422 execute permissions are checked at open time.
431 was not requested at open time, then the
501 Such an open behaves as if the current path of the file referenced by
518 .Fn open
526 If a sleeping open of a device node from
533 A sleeping open of a fifo (see
543 the new descriptor is set to remain open across
568 .Fn open ,
576 .Fn open
589 open simultaneously by one process.
595 .Fn open
660 The process has already reached its limit for open file descriptors.
678 is set, and no process has the file open for reading.
681 .Fn open
734 .Fn open
747 An attempt was made to open a socket (not currently implemented).
749 An attempt was made to open a descriptor with an illegal combination
773 nor a valid file descriptor open for searching.
789 .Fn open
858 The Open Group Extended API Set 2 specification, that introduced the
864 is open for searching, not whether the underlying directory currently
879 .Fn open