summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/common/writev.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc/sysdeps/linux/common/writev.c')
-rw-r--r--libc/sysdeps/linux/common/writev.c40
1 files changed, 9 insertions, 31 deletions
diff --git a/libc/sysdeps/linux/common/writev.c b/libc/sysdeps/linux/common/writev.c
index bd0e4077d..9b59228c3 100644
--- a/libc/sysdeps/linux/common/writev.c
+++ b/libc/sysdeps/linux/common/writev.c
@@ -9,42 +9,20 @@
#include <sys/syscall.h>
#include <sys/uio.h>
-
-#ifdef __UCLIBC_HAS_THREADS_NATIVE__
-#include <errno.h>
-#include <sysdep-cancel.h>
+#include <cancel.h>
/* We should deal with kernel which have a smaller UIO_FASTIOV as well
as a very big count. */
-static ssize_t __writev (int fd, const struct iovec *vector, int count)
+static ssize_t __NC(writev)(int fd, const struct iovec *vector, int count)
{
- ssize_t bytes_written;
-
- bytes_written = INLINE_SYSCALL (writev, 3, fd, vector, count);
-
- if (bytes_written >= 0 || errno != EINVAL || count <= UIO_FASTIOV)
- return bytes_written;
-
- /* glibc tries again, but we do not. */
- /* return __atomic_writev_replacement (fd, vector, count); */
-
- return -1;
-}
-
-ssize_t writev (int fd, const struct iovec *vector, int count)
-{
- if (SINGLE_THREAD_P)
- return __writev (fd, vector, count);
-
- int oldtype = LIBC_CANCEL_ASYNC ();
+ ssize_t bytes_written = INLINE_SYSCALL(writev, 3, fd, vector, count);
- ssize_t result = __writev (fd, vector, count);
+ if (bytes_written >= 0 || errno != EINVAL || count <= UIO_FASTIOV)
+ return bytes_written;
- LIBC_CANCEL_RESET (oldtype);
+ /* glibc tries again, but we do not. */
+ /* return __atomic_writev_replacement (fd, vector, count); */
- return result;
+ return -1;
}
-#else
-_syscall3(ssize_t, writev, int, filedes, const struct iovec *, vector,
- int, count)
-#endif
+CANCELLABLE_SYSCALL(ssize_t, writev, (int fd, const struct iovec *vector, int count), (fd, vector, count))