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xfree86: Test presence of isastream() 

isastream() was never more than a stub in glibc, and was removed in
glibc-2.30 by commit a0a0dc83173c ("Remove obsolete, never-implemented
XSI STREAMS declarations").

Bug: https://bugs.gentoo.org/700838
Reviewed-by: Julien Cristau <jcristau@debian.org>
Signed-off-by: Matt Turner <mattst88@gmail.com>
This commit is contained in:
Matt Turner 2019-11-21 11:23:18 -05:00
parent ebf549db2d
commit e6ab7f9f34
4 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
configure.ac
View File

@ -160,7 +160,7 @@ AC_CHECK_FUNCS([backtrace geteuid getuid issetugid getresuid \
getdtablesize getifaddrs getpeereid getpeerucred getprogname getzoneid \
mmap posix_fallocate seteuid shmctl64 strncasecmp vasprintf vsnprintf \
walkcontext setitimer poll epoll_create1 mkostemp memfd_create \
sigprocmask])
sigprocmask isastream])
AC_CONFIG_LIBOBJ_DIR([os])
AC_REPLACE_FUNCS([reallocarray strcasecmp strcasestr strlcat strlcpy strndup\
timingsafe_memcmp])

5
hw/xfree86/os-support/shared/sigio.c
View File

@ -208,7 +208,8 @@ xf86InstallSIGIOHandler(int fd, void (*f) (int, void *), void *closure)
}
}
#endif
#ifdef I_SETSIG /* System V Streams - used on Solaris for input devices */
#if defined(I_SETSIG) && defined(HAVE_ISASTREAM)
/* System V Streams - used on Solaris for input devices */
if (!installed && isastream(fd)) {
if (ioctl(fd, I_SETSIG, S_INPUT | S_ERROR | S_HANGUP) == -1) {
xf86Msg(X_WARNING, "fcntl(%d, I_SETSIG): %s\n",
@ -279,7 +280,7 @@ xf86RemoveSIGIOHandler(int fd)
#ifdef O_ASYNC
fcntl(fd, F_SETFL, fcntl(fd, F_GETFL) & ~O_ASYNC);
#endif
#ifdef I_SETSIG
#if defined(I_SETSIG) && defined(HAVE_ISASTREAM)
if (isastream(fd)) {
if (ioctl(fd, I_SETSIG, 0) == -1) {
xf86Msg(X_WARNING, "fcntl(%d, I_SETSIG, 0): %s\n",

3
include/dix-config.h.in
View File

@ -515,4 +515,7 @@
/* Have sigprocmask */
#undef HAVE_SIGPROCMASK
/* Have isastream */
#undef HAVE_ISASTREAM
#endif /* _DIX_CONFIG_H_ */

1
include/meson.build
View File

@ -136,6 +136,7 @@ conf_data.set('HAVE_CBRT', cc.has_function('cbrt'))
conf_data.set('HAVE_EPOLL_CREATE1', cc.has_function('epoll_create1'))
conf_data.set('HAVE_GETUID', cc.has_function('getuid'))
conf_data.set('HAVE_GETEUID', cc.has_function('geteuid'))
conf_data.set('HAVE_ISASTREAM', cc.has_function('isastream'))
conf_data.set('HAVE_ISSETUGID', cc.has_function('issetugid'))
conf_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs'))
conf_data.set('HAVE_GETPEEREID', cc.has_function('getpeereid'))