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btowc: fix missing file
[gnulib.git]
/
doc
/
posix-functions
/
popen.texi
diff --git
a/doc/posix-functions/popen.texi
b/doc/posix-functions/popen.texi
index
fc4842e
..
5972318
100644
(file)
--- a/
doc/posix-functions/popen.texi
+++ b/
doc/posix-functions/popen.texi
@@
-2,14
+2,23
@@
@section @code{popen}
@findex popen
@section @code{popen}
@findex popen
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/popen.html}
+POSIX specification:
@*
@url{http://www.opengroup.org/onlinepubs/9699919799/functions/popen.html}
-Gnulib module:
---
+Gnulib module:
popen
Portability problems fixed by Gnulib:
@itemize
Portability problems fixed by Gnulib:
@itemize
+@item
+Some platforms start the child with closed stdin or stdout if the
+standard descriptors were closed in the parent:
+Cygwin 1.5.x.
@end itemize
Portability problems not fixed by Gnulib:
@itemize
@end itemize
Portability problems not fixed by Gnulib:
@itemize
+@item
+Some platforms mistakenly set the close-on-exec bit, then if it is
+cleared by the application, the platform then leaks file descriptors
+from earlier @code{popen} calls into subsequent @code{popen} children:
+Cygwin 1.5.x.
@end itemize
@end itemize