[PATCH 4/5] haiku build fix

[David CARLIER]

>From 775173ded5657de4d4b467f2f68e747f6a9c0750 Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Fri, 26 Jun 2020 10:44:36 +0000
Subject: [PATCH 4/5] Platform specific changes qemu_exec_dir implementation

Signed-off-by: David Carlier <devnexen@gmail.com>
---
 include/qemu/osdep.h |  4 ++++
 util/oslib-posix.c   | 20 ++++++++++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index ff7c17b857..da970cf654 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -388,6 +388,10 @@ void qemu_anon_ram_free(void *ptr, size_t size);
 #define HAVE_CHARDEV_PARPORT 1
 #endif

+#if defined(__HAIKU__)
+#define SIGIO SIGPOLL
+#endif
+
 #if defined(CONFIG_LINUX)
 #ifndef BUS_MCEERR_AR
 #define BUS_MCEERR_AR 4
diff --git a/util/oslib-posix.c b/util/oslib-posix.c
index 39ddc77c85..ff36fa41ff 100644
--- a/util/oslib-posix.c
+++ b/util/oslib-posix.c
@@ -38,7 +38,12 @@
 #include "qemu/sockets.h"
 #include "qemu/thread.h"
 #include <libgen.h>
+#if !defined __HAIKU__
 #include <sys/signal.h>
+#else
+#include <kernel/image.h>
+#include <signal.h>
+#endif
 #include "qemu/cutils.h"

 #ifdef CONFIG_LINUX
@@ -390,6 +395,21 @@ 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].  */
--
2.26.0