diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/recvmmsg.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/recvmmsg.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/recvmmsg.c b/sysdeps/unix/sysv/linux/recvmmsg.c index 04ff42ee72..57ddf3152a 100644 --- a/sysdeps/unix/sysv/linux/recvmmsg.c +++ b/sysdeps/unix/sysv/linux/recvmmsg.c @@ -23,6 +23,14 @@ #include <sys/syscall.h> #include <kernel-features.h> +/* Do not use the recvmmsg 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_RECVMMSG_SYSCALL_WITH_SOCKETCALL \ + && !defined __ASSUME_RECVMMSG_SYSCALL +# undef __NR_recvmmsg +#endif #ifdef __NR_recvmmsg int @@ -41,7 +49,7 @@ recvmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags, return result; } #elif defined __NR_socketcall -# ifndef __ASSUME_RECVMMSG +# ifndef __ASSUME_RECVMMSG_SOCKETCALL extern int __internal_recvmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags, const struct timespec *tmo) @@ -85,7 +93,8 @@ recvmmsg (int fd, struct mmsghdr *vmessages, unsigned int vlen, int flags, return -1; } # else -/* When __ASSUME_RECVMMSG recvmmsg is defined in internal_recvmmsg.S. */ +/* When __ASSUME_RECVMMSG_SOCKETCALL recvmmsg is defined in + internal_recvmmsg.S. */ # endif #else # include <socket/recvmmsg.c> |