X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=doc%2Fposix-functions%2Fselect.texi;h=e9a916f2ce381921e4d2200008e8bd4b5e8121c8;hb=a5766f2b114a3a8ca55f7257aa9eef8b5ddc466a;hp=34896b9e6106ce70aa2a7a1adf91e78f2dafa0c9;hpb=09ef7461110822a3970aa8eebcfaa740996a82f2;p=gnulib.git diff --git a/doc/posix-functions/select.texi b/doc/posix-functions/select.texi index 34896b9e6..e9a916f2c 100644 --- a/doc/posix-functions/select.texi +++ b/doc/posix-functions/select.texi @@ -2,7 +2,7 @@ @section @code{select} @findex select -POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/select.html} +POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/select.html} Gnulib module: select @@ -15,6 +15,9 @@ file descriptors. @item On Windows platforms (excluding Cygwin), error codes for @code{accept} are not placed in @code{errno}, and @code{WSAGetLastError} must be used instead. +@item +This function fails when the @code{nfds} argument is 0 on some platforms: +Interix 3.5. @end itemize Portability problems not fixed by Gnulib: @@ -28,6 +31,10 @@ unmodified. On BeOS, @code{select} can only be called on descriptors created by the @code{socket} function, not on regular file descriptors. @item +On Solaris 2.6 and older, @code{select} applied to a file descriptor opened +for reading and associated with @code{/dev/null} hangs, waiting for input, +when instead it should return immediately. +@item On Linux, when some file descriptor refers to a regular file, @code{select} may fail, setting @code{errno} to @code{EBADF}. @end itemize