Hash :
8fb59b8f
Author :
Date :
2017-07-06T01:10:39
doc: Update for MSVC 14. * doc/posix-headers/*.texi: Add info about MSVC 14. * doc/posix-functions/*.texi: Likewise. * doc/pastposix-functions/*.texi: Likewise. * doc/glibc-headers/*.texi: Likewise. * doc/glibc-functions/*.texi: Likewise.
@node popen
@section @code{popen}
@findex popen
POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/popen.html}
Gnulib module: popen
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
MSVC 14.
@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
@item
On native Windows platforms, this functions terminates the current process
with exit code 127 if the environment variable @code{COMSPEC} is not set.
@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