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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-07-06 13:27:12 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2020-09-11 16:20:49 -0300
commita92f4e6299fe0e3cb6f77e79de00817aece501ce (patch)
tree93d759cefc0864dff904e40608ec7435bd8a2f8a /include/sys
parent7c437d37789939a1411da0c04f748384bc5aee59 (diff)
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linux: Add time64 pselect support
The syscall __NR_pselect6_time64 (32-bit) or __NR_pselect6 (64-bit)
is used as default.  For architectures with __ASSUME_TIME64_SYSCALLS
the 32-bit fallback uses __NR_pselec6.

To accomodate microblaze missing pselect6 support on kernel older
than 3.15 the fallback is moved to its own function to the microblaze
specific implementation can override it.

Checked on x86_64-linux-gnu and i686-linux-gnu (on 5.4 and on 4.15
kernel).

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Diffstat (limited to 'include/sys')
-rw-r--r--include/sys/select.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/sys/select.h b/include/sys/select.h
index 07bb49b994..b5ae9af861 100644
--- a/include/sys/select.h
+++ b/include/sys/select.h
@@ -3,6 +3,22 @@
 
 #ifndef _ISOMAC
 /* Now define the internal interfaces.  */
+# if __TIMESIZE == 64
+#  define __pselect64 __pselect
+#else
+# include <struct___timespec64.h>
+extern int __pselect64 (int __nfds, fd_set *__readfds,
+			fd_set *__writefds, fd_set *__exceptfds,
+			const struct __timespec64 *__timeout,
+			const __sigset_t *__sigmask);
+libc_hidden_proto (__pselect64)
+
+extern int __pselect32 (int __nfds, fd_set *__readfds,
+			fd_set *__writefds, fd_set *__exceptfds,
+			const struct __timespec64 *__timeout,
+			const __sigset_t *__sigmask)
+  attribute_hidden;
+#endif
 extern int __pselect (int __nfds, fd_set *__readfds,
 		      fd_set *__writefds, fd_set *__exceptfds,
 		      const struct timespec *__timeout,