diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/accept4.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/accept4.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/sysdeps/unix/sysv/linux/accept4.c b/sysdeps/unix/sysv/linux/accept4.c index 019e96b677..a017224eef 100644 --- a/sysdeps/unix/sysv/linux/accept4.c +++ b/sysdeps/unix/sysv/linux/accept4.c @@ -24,6 +24,14 @@ #include <sys/syscall.h> #include <kernel-features.h> +/* Do not use the accept4 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_ACCEPT4_SYSCALL_WITH_SOCKETCALL \ + && !defined __ASSUME_ACCEPT4_SYSCALL +# undef __NR_accept4 +#endif #ifdef __NR_accept4 int @@ -42,7 +50,7 @@ accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags) return result; } #elif defined __NR_socketcall -# ifndef __ASSUME_ACCEPT4 +# ifndef __ASSUME_ACCEPT4_SOCKETCALL extern int __internal_accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags) attribute_hidden; @@ -83,7 +91,8 @@ accept4 (int fd, __SOCKADDR_ARG addr, socklen_t *addr_len, int flags) return -1; } # else -/* When __ASSUME_ACCEPT4 accept4 is defined in internal_accept4.S. */ +/* When __ASSUME_ACCEPT4_SOCKETCALL accept4 is defined in + internal_accept4.S. */ # endif #else int |