From 4d22e92d6dcbf33c8bec1ba1438115f51fdced29 Mon Sep 17 00:00:00 2001
From: David CARLIER <devnexen@gmail.com>
Date: Sat, 27 Jun 2020 16:20:43 +0100
Subject: [PATCH] Haiku build fix proposal (#17117) ##sys

---
 configure                                     | 11 ++++++++--
 configure.acr                                 | 11 ++++++++--
 libr/include/r_types.h                        |  9 ++++++++-
 libr/io/p/io_gprobe.c                         |  2 +-
 libr/util/sys.c                               | 20 +++++++++++++++++++
 .../internal/jemalloc_internal_decls.h        |  2 +-
 6 files changed, 48 insertions(+), 7 deletions(-)

diff --git a/configure b/configure
index 50a999725e..66388e418e 100755
--- a/configure
+++ b/configure
@@ -646,7 +646,10 @@ if [ "$HOST_OS" = "openbsd" ]; then
 USEROSTYPE="bsd"
 else
 if [ "$HOST_OS" = "darwin" ]; then
-USEROSTYPE="darwin"; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi
+USEROSTYPE="darwin"
+else
+if [ "$HOST_OS" = "haiku" ]; then
+USEROSTYPE="haiku"; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi; fi
 if [ "$LIBVERSION" = "xxx" ]; then
 LIBVERSION="$VERSION"; fi
 if [ "$USEROSTYPE" = "gnulinux" ]; then
@@ -673,8 +676,12 @@ if [ "$USEROSTYPE" = "solaris" ]; then
 HAVE_PTRACE="0"
 USE_PTRACE_WRAP="0"
 else
+if [ "$USEROSTYPE" = "haiku" ]; then
+HAVE_PTRACE="0"
+USE_PTRACE_WRAP="0"
+else
 HAVE_PTRACE="1"
-USE_PTRACE_WRAP="0"; fi; fi; fi; fi; fi
+USE_PTRACE_WRAP="0"; fi; fi; fi; fi; fi; fi
 if [ "$DEBUGGER" = "0" ]; then
 HAVE_PTRACE="0"; fi
 if [ "$WANT_PTRACE_WRAP" = "0" ]; then
diff --git a/configure.acr b/configure.acr
index 854d96d266..15dbdd424e 100644
--- a/configure.acr
+++ b/configure.acr
@@ -183,7 +183,10 @@ IFEQ USEROSTYPE auto ; {
 	}{
 	IFEQ HOST_OS darwin ; {
 		USEROSTYPE = darwin ;
-	} } } } } } } } } } }
+        }{
+	IFEQ HOST_OS haiku ; {
+		USEROSTYPE = haiku ;
+	} } } } } } } } } } } }
 }
 
 (( this hack is required for openbsd ports ))
@@ -217,10 +220,14 @@ IFEQ USEROSTYPE mingw32 ; {
 IFEQ USEROSTYPE solaris ; {
 	HAVE_PTRACE = 0 ;
 	USE_PTRACE_WRAP = 0 ;
+}{
+IFEQ USEROSTYPE haiku ; {
+	HAVE_PTRACE = 0 ;
+	USE_PTRACE_WRAP = 0 ;
 }{
 	HAVE_PTRACE = 1 ;
 	USE_PTRACE_WRAP = 0 ;
-} } } } }
+} } } } } }
 
 IFNOT DEBUGGER {
 	HAVE_PTRACE = 0 ;
diff --git a/libr/include/r_types.h b/libr/include/r_types.h
index 9e557232d5..b1e65f0af9 100644
--- a/libr/include/r_types.h
+++ b/libr/include/r_types.h
@@ -140,7 +140,7 @@
   static inline struct tm *gmtime_r(const time_t *t, struct tm *r) { return (gmtime_s(r, t))? NULL : r; }
 #endif
 
-#if defined(EMSCRIPTEN) || defined(__linux__) || defined(__APPLE__) || defined(__GNU__) || defined(__ANDROID__) || defined(__QNX__) || defined(__sun)
+#if defined(EMSCRIPTEN) || defined(__linux__) || defined(__APPLE__) || defined(__GNU__) || defined(__ANDROID__) || defined(__QNX__) || defined(__sun) || defined(__HAIKU__)
   #define __BSD__ 0
   #define __UNIX__ 1
 #endif
@@ -354,6 +354,11 @@ static inline void *r_new_copy(int size, void *data) {
 #include <dirent.h>
 #include <unistd.h>
 #include <sys/time.h>
+#ifdef __HAIKU__
+// Original macro cast it to clockid_t
+#undef CLOCK_MONOTONIC
+#define CLOCK_MONOTONIC 0
+#endif
 #endif
 
 #ifndef HAVE_EPRINTF
@@ -593,6 +598,8 @@ enum {
 #define R_SYS_OS "openbsd"
 #elif defined (__FreeBSD__) || defined (__FreeBSD_kernel__)
 #define R_SYS_OS "freebsd"
+#elif defined (__HAIKU__)
+#define R_SYS_OS "haiku"
 #else
 #define R_SYS_OS "unknown"
 #endif
diff --git a/libr/io/p/io_gprobe.c b/libr/io/p/io_gprobe.c
index ad4017d3d8..50b1b39393 100644
--- a/libr/io/p/io_gprobe.c
+++ b/libr/io/p/io_gprobe.c
@@ -26,7 +26,7 @@
 #include <windows.h>
 #else
 
-#if __linux__ ||  __APPLE__ || __OpenBSD__ || __FreeBSD__ || __NetBSD__ || __DragonFly__
+#if __linux__ ||  __APPLE__ || __OpenBSD__ || __FreeBSD__ || __NetBSD__ || __DragonFly__ || __HAIKU__
 #include <sys/ioctl.h>
 #include <termios.h>
 #else
diff --git a/libr/util/sys.c b/libr/util/sys.c
index f35dd34e0f..aaaf1e2616 100644
--- a/libr/util/sys.c
+++ b/libr/util/sys.c
@@ -20,6 +20,10 @@
 #  define FREEBSD_WITH_BACKTRACE
 # endif
 #endif
+#if defined(__HAIKU__)
+# include <kernel/image.h>
+# include <sys/param.h>
+#endif
 #include <sys/types.h>
 #include <r_types.h>
 #include <r_util.h>
@@ -1175,6 +1179,22 @@ R_API char *r_sys_pid_to_path(int pid) {
 	if (ret != 0) {
 		return NULL;
 	}
+#elif __HAIKU__
+	char pathbuf[MAXPATHLEN];
+	int32_t group = 0;
+	image_info ii;
+
+	while (get_next_image_info (0, &group, &ii) == B_OK) {
+		if (ii.type == B_APP_IMAGE) {
+			break;
+		}
+	}
+
+	if (ii.type == B_APP_IMAGE) {
+		r_str_ncpy (pathbuf, ii.name, MAXPATHLEN);
+	} else {
+		pathbuf[0] = '\0';
+	}
 #else
 	char buf[128], pathbuf[1024];
 	snprintf (buf, sizeof (buf), "/proc/%d/exe", pid);
diff --git a/shlr/heap/include/r_jemalloc/internal/jemalloc_internal_decls.h b/shlr/heap/include/r_jemalloc/internal/jemalloc_internal_decls.h
index c907d91096..52dae8bcba 100644
--- a/shlr/heap/include/r_jemalloc/internal/jemalloc_internal_decls.h
+++ b/shlr/heap/include/r_jemalloc/internal/jemalloc_internal_decls.h
@@ -9,7 +9,7 @@
 #else
 #  include <sys/param.h>
 #  include <sys/mman.h>
-#  if !defined(__pnacl__) && !defined(__native_client__)
+#  if !defined(__pnacl__) && !defined(__native_client__) && !defined(__HAIKU__)
 #    include <sys/syscall.h>
 #    if !defined(SYS_write) && defined(__NR_write)
 #      define SYS_write __NR_write