diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/writev.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/writev.c | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/sysdeps/unix/sysv/linux/writev.c b/sysdeps/unix/sysv/linux/writev.c index 76cc920dae..c8ecf5060f 100644 --- a/sysdeps/unix/sysv/linux/writev.c +++ b/sysdeps/unix/sysv/linux/writev.c @@ -22,7 +22,7 @@ #include <sys/param.h> #include <sys/uio.h> -#include <sysdep.h> +#include <sysdep-cancel.h> #include <sys/syscall.h> #include <bp-checks.h> @@ -39,11 +39,8 @@ static ssize_t __atomic_writev_replacement (int, const struct iovec *, /* We should deal with kernel which have a smaller UIO_FASTIOV as well as a very big count. */ -ssize_t -__libc_writev (fd, vector, count) - int fd; - const struct iovec *vector; - int count; +static ssize_t +do_writev (int fd, const struct iovec *vector, int count) { ssize_t bytes_written; @@ -54,6 +51,24 @@ __libc_writev (fd, vector, count) return __atomic_writev_replacement (fd, vector, count); } + +ssize_t +__libc_writev (fd, vector, count) + int fd; + const struct iovec *vector; + int count; +{ + if (SINGLE_THREAD_P) + return do_writev (fd, vector, count); + + int oldtype = LIBC_CANCEL_ASYNC (); + + ssize_t result = do_writev (fd, vector, count); + + LIBC_CANCEL_RESET (oldtype); + + return result; +} strong_alias (__libc_writev, __writev) weak_alias (__libc_writev, writev) |