diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/sendmmsg.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/sendmmsg.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/sendmmsg.c b/sysdeps/unix/sysv/linux/sendmmsg.c index f8494be044..30740664d0 100644 --- a/sysdeps/unix/sysv/linux/sendmmsg.c +++ b/sysdeps/unix/sysv/linux/sendmmsg.c @@ -23,6 +23,14 @@ #include <sys/syscall.h> #include <kernel-features.h> +/* Do not use the sendmmsg syscall on socketcall architectures unless + it was added at the same time as the socketcall support or can be + assumed to be present. */ +#if defined __ASSUME_SOCKETCALL \ + && !defined __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL \ + && !defined __ASSUME_SENDMMSG_SYSCALL +# undef __NR_sendmmsg +#endif #ifdef __NR_sendmmsg int @@ -42,7 +50,7 @@ __sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags) libc_hidden_def (__sendmmsg) weak_alias (__sendmmsg, sendmmsg) #elif defined __NR_socketcall -# ifndef __ASSUME_SENDMMSG +# ifndef __ASSUME_SENDMMSG_SOCKETCALL extern int __internal_sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags) attribute_hidden; @@ -86,7 +94,8 @@ __sendmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags) libc_hidden_def (__sendmmsg) weak_alias (__sendmmsg, sendmmsg) # else -/* When __ASSUME_SENDMMSG sendmmsg is defined in internal_sendmmsg.S. */ +/* When __ASSUME_SENDMMSG_SOCKETCALL sendmmsg is defined in + internal_sendmmsg.S. */ # endif #else # include <socket/sendmmsg.c> |