1 files changed, 72 insertions, 9 deletions

diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 39ddc77c85..36bf8593f8 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -38,7 +38,6 @@
 #include "qemu/sockets.h"
 #include "qemu/thread.h"
 #include <libgen.h>
-#include <sys/signal.h>
 #include "qemu/cutils.h"
 
 #ifdef CONFIG_LINUX
@@ -61,6 +60,10 @@
 #include <mach-o/dyld.h>
 #endif
 
+#ifdef __HAIKU__
+#include <kernel/image.h>
+#endif
+
 #include "qemu/mmap-alloc.h"
 
 #ifdef CONFIG_DEBUG_STACK_USAGE
@@ -257,25 +260,35 @@ void qemu_set_block(int fd)
     assert(f != -1);
 }
 
-void qemu_set_nonblock(int fd)
+int qemu_try_set_nonblock(int fd)
 {
     int f;
     f = fcntl(fd, F_GETFL);
-    assert(f != -1);
-    f = fcntl(fd, F_SETFL, f | O_NONBLOCK);
-#ifdef __OpenBSD__
     if (f == -1) {
+        return -errno;
+    }
+    if (fcntl(fd, F_SETFL, f | O_NONBLOCK) == -1) {
+#ifdef __OpenBSD__
         /*
          * Previous to OpenBSD 6.3, fcntl(F_SETFL) is not permitted on
          * memory devices and sets errno to ENODEV.
          * It's OK if we fail to set O_NONBLOCK on devices like /dev/null,
          * because they will never block anyway.
          */
-        assert(errno == ENODEV);
-    }
-#else
-    assert(f != -1);
+        if (errno == ENODEV) {
+            return 0;
+        }
 #endif
+        return -errno;
+    }
+    return 0;
+}
+
+void qemu_set_nonblock(int fd)
+{
+    int f;
+    f = qemu_try_set_nonblock(fd);
+    assert(f == 0);
 }
 
 int socket_set_fast_reuse(int fd)
@@ -390,6 +403,21 @@ void qemu_init_exec_dir(const char *argv0)
             }
         }
     }
+#elif defined(__HAIKU__)
+    {
+        image_info ii;
+        int32_t c = 0;
+
+        *buf = '\0';
+        while (get_next_image_info(0, &c, &ii) == B_OK) {
+            if (ii.type == B_APP_IMAGE) {
+                strncpy(buf, ii.name, sizeof(buf));
+                buf[sizeof(buf) - 1] = 0;
+                p = buf;
+                break;
+            }
+        }
+    }
 #endif
     /* If we don't have any way of figuring out the actual executable
        location then try argv[0].  */
@@ -776,3 +804,38 @@ void sigaction_invoke(struct sigaction *action,
     }
     action->sa_sigaction(info->ssi_signo, &si, NULL);
 }
+
+#ifndef HOST_NAME_MAX
+# ifdef _POSIX_HOST_NAME_MAX
+#  define HOST_NAME_MAX _POSIX_HOST_NAME_MAX
+# else
+#  define HOST_NAME_MAX 255
+# endif
+#endif
+
+char *qemu_get_host_name(Error **errp)
+{
+    long len = -1;
+    g_autofree char *hostname = NULL;
+
+#ifdef _SC_HOST_NAME_MAX
+    len = sysconf(_SC_HOST_NAME_MAX);
+#endif /* _SC_HOST_NAME_MAX */
+
+    if (len < 0) {
+        len = HOST_NAME_MAX;
+    }
+
+    /* Unfortunately, gethostname() below does not guarantee a
+     * NULL terminated string. Therefore, allocate one byte more
+     * to be sure. */
+    hostname = g_new0(char, len + 1);
+
+    if (gethostname(hostname, len) < 0) {
+        error_setg_errno(errp, errno,
+                         "cannot get hostname");
+        return NULL;
+    }
+
+    return g_steal_pointer(&hostname);
+}