aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--osdep.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/osdep.c b/osdep.c
index 7509c5b22e..9949606bb5 100644
--- a/osdep.c
+++ b/osdep.c
@@ -262,13 +262,15 @@ int qemu_pipe(int pipefd[2])
#ifdef CONFIG_PIPE2
ret = pipe2(pipefd, O_CLOEXEC);
-#else
+ if (ret != -1 || errno != ENOSYS) {
+ return ret;
+ }
+#endif
ret = pipe(pipefd);
if (ret == 0) {
qemu_set_cloexec(pipefd[0]);
qemu_set_cloexec(pipefd[1]);
}
-#endif
return ret;
}
@@ -283,12 +285,14 @@ int qemu_socket(int domain, int type, int protocol)
#ifdef SOCK_CLOEXEC
ret = socket(domain, type | SOCK_CLOEXEC, protocol);
-#else
+ if (ret != -1 || errno != EINVAL) {
+ return ret;
+ }
+#endif
ret = socket(domain, type, protocol);
if (ret >= 0) {
qemu_set_cloexec(ret);
}
-#endif
return ret;
}
@@ -302,12 +306,14 @@ int qemu_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
#ifdef CONFIG_ACCEPT4
ret = accept4(s, addr, addrlen, SOCK_CLOEXEC);
-#else
+ if (ret != -1 || errno != EINVAL) {
+ return ret;
+ }
+#endif
ret = accept(s, addr, addrlen);
if (ret >= 0) {
qemu_set_cloexec(ret);
}
-#endif
return ret;
}