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Linux: Assume and consolidate shutdown wire-up syscall

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And disable if kernel does not support it.

Checked on x86_64-linux-gnu and i686-linux-gnu.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Tested-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Adhemerval Zanella Netto
2022-10-19 19:14:27 -03:00
committed by Adhemerval Zanella
parent 377a14a22a
commit 127945c561
10 changed files with 8 additions and 15 deletions
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7
sysdeps/unix/sysv/linux/shutdown.c
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@ -15,19 +15,14 @@
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <signal.h>
#include <sys/socket.h>
#include <socketcall.h>
#include <kernel-features.h>
#include <sys/syscall.h>
int
__shutdown (int fd, int how)
{
#ifdef __ASSUME_SHUTDOWN_SYSCALL
return INLINE_SYSCALL (shutdown, 2, fd, how);
return INLINE_SYSCALL_CALL (shutdown, fd, how);
#else
return SOCKETCALL (shutdown, fd, how);
#endif