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Diffstat (limited to 'gnulib/doc/posix-functions/write.texi')
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-rw-r--r-- | gnulib/doc/posix-functions/write.texi | 45 |
2 files changed, 45 insertions, 0 deletions
diff --git a/gnulib b/gnulib deleted file mode 160000 -Subproject 443bc5ffcf7429e557f4a371b0661abe98ddbc1 diff --git a/gnulib/doc/posix-functions/write.texi b/gnulib/doc/posix-functions/write.texi new file mode 100644 index 0000000..3e8df86 --- /dev/null +++ b/gnulib/doc/posix-functions/write.texi @@ -0,0 +1,45 @@ +@node write +@section @code{write} +@findex write + +POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/write.html} + +Gnulib module: write, nonblocking, sigpipe + +Portability problems fixed by Gnulib module @code{stdio}, together with module @code{nonblocking}: +@itemize +@item +This function crashes when invoked with invalid arguments on some platforms: +MSVC 9. +@item +When writing to a non-blocking pipe whose buffer is full, this function fails +with @code{errno} being set to @code{ENOSPC} instead of @code{EAGAIN} on some +platforms: +mingw, MSVC 9. +@item +When writing to a non-blocking pipe on which no reader is currently waiting +an amount of bytes that exceeds the pipe buffer's size, then -- even if the +pipe's buffer is empty -- this function fails, instead of performing a partial +write into the pipe buffer, on some platforms: +mingw, MSVC 9. +@end itemize + +Portability problems fixed by Gnulib module @code{stdio}, together with module @code{sigpipe}: +@itemize +@item +When writing to a pipe with no readers, this function fails with error +@code{EINVAL}, instead of obeying the current @code{SIGPIPE} handler, on +some platforms: +mingw, MSVC 9. +@end itemize + +Portability problems not fixed by Gnulib: +@itemize +@item +This function may fail with error @code{EINTR}, even in programs that don't +install any signal handlers, on some platforms: +MacOS X 10.5. +@end itemize + +For handling @code{EINTR}, Gnulib provides a module @samp{safe-write} with a +function @code{safe_write}. |