[glib/wip/3v1n0/more-unix-oses: 3/5] glib: Add G_OS_OPENBSD and G_OS_FREEBSD

[Marco Trevisan <marcotrevi src gnome org>]

commit 3490c157864858f0f29bd9344b7f3749d1db46ca
Author: Marco Trevisan (Treviño) <mail 3v1n0 net>
Date:   Wed Oct 19 16:14:34 2022 +0200

    glib: Add G_OS_OPENBSD and G_OS_FREEBSD
    
    Add the most common types of BSD systems as public apis

 gio/gcredentialsprivate.h |  5 ++---
 glib/docs.c               | 22 ++++++++++++++++++++++
 glib/gspawn.c             |  4 ++--
 glib/tests/date.c         |  2 +-
 glib/tests/option-argv0.c |  2 +-
 meson.build               |  6 ++++++
 6 files changed, 34 insertions(+), 7 deletions(-)
---
diff --git a/gio/gcredentialsprivate.h b/gio/gcredentialsprivate.h
index f692f1af7c..0d83bf01a3 100644
--- a/gio/gcredentialsprivate.h
+++ b/gio/gcredentialsprivate.h
@@ -114,8 +114,7 @@
 #define G_CREDENTIALS_SPOOFING_SUPPORTED 1
 #define G_CREDENTIALS_HAS_PID 1
 
-#elif defined(__FreeBSD__)                                  || \
-      defined(__FreeBSD_kernel__) /* Debian GNU/kFreeBSD */ || \
+#elif defined(G_OS_FREEBSD)                                 || \
       defined(__GNU__)            /* GNU Hurd */            || \
       defined(__DragonFly__)      /* DragonFly BSD */
 #define G_CREDENTIALS_SUPPORTED 1
@@ -141,7 +140,7 @@
 #define G_CREDENTIALS_SPOOFING_SUPPORTED 1
 #define G_CREDENTIALS_HAS_PID 1
 
-#elif defined(__OpenBSD__)
+#elif defined(G_OS_OPENBSD)
 #define G_CREDENTIALS_SUPPORTED 1
 #define G_CREDENTIALS_USE_OPENBSD_SOCKPEERCRED 1
 #define G_CREDENTIALS_NATIVE_TYPE G_CREDENTIALS_TYPE_OPENBSD_SOCKPEERCRED
diff --git a/glib/docs.c b/glib/docs.c
index 0a671bb9ed..e317ea8c7d 100644
--- a/glib/docs.c
+++ b/glib/docs.c
@@ -1658,6 +1658,17 @@
  * Since: 2.76
  */
 
+/**
+ * G_OS_FREEBSD:
+ *
+ * This macro is defined only on FreeBSD operating system. So you can bracket
+ * FreeBSD-specific code in `\#ifdef G_OS_FREEBSD`.
+ *
+ * Note that %G_OS_UNIX is also set.
+ *
+ * Since: 2.76
+ */
+
 /**
  * G_OS_LINUX:
  *
@@ -1669,6 +1680,17 @@
  * Since: 2.76
  */
 
+/**
+ * G_OS_OPENBSD:
+ *
+ * This macro is defined only on OpenBSD operating system. So you can bracket
+ * OpenBSD-specific code in `\#ifdef G_OS_OPENBSD`.
+ *
+ * Note that %G_OS_UNIX is also set.
+ *
+ * Since: 2.76
+ */
+
 /**
  * G_OS_WIN32:
  *
diff --git a/glib/gspawn.c b/glib/gspawn.c
index 3300ec8e22..c2007d99a8 100644
--- a/glib/gspawn.c
+++ b/glib/gspawn.c
@@ -1493,7 +1493,7 @@ safe_fdwalk (int (*cb)(void *data, int fd), void *data)
   if (getrlimit (RLIMIT_NOFILE, &rl) == 0 && rl.rlim_max != RLIM_INFINITY)
     open_max = rl.rlim_max;
 #endif
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(G_OS_DARWIN)
+#if defined(G_OS_FREEBSD) || defined(G_OS_OPENBSD) || defined(G_OS_DARWIN)
   /* Use sysconf() function provided by the system if it is known to be
    * async-signal safe.
    *
@@ -1552,7 +1552,7 @@ safe_fdwalk_set_cloexec (int lowfd)
 static int
 safe_closefrom (int lowfd)
 {
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || \
+#if defined(G_OS_FREEBSD) || defined(G_OS_OPENBSD) || \
   (defined(__sun__) && defined(F_CLOSEFROM))
   /* Use closefrom function provided by the system if it is known to be
    * async-signal safe.
diff --git a/glib/tests/date.c b/glib/tests/date.c
index 8113ad574b..41ef5b6a92 100644
--- a/glib/tests/date.c
+++ b/glib/tests/date.c
@@ -725,7 +725,7 @@ test_strftime (void)
 #else
     { "%B", "January" },
     { "%b", "Jan" },
-#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(G_OS_DARWIN)
+#if defined(G_OS_FREEBSD) || defined(G_OS_OPENBSD) || defined(G_OS_DARWIN)
     { "%C", "00" },
     { "%c", "Mon Jan  1 00:00:00 0001" },
     { "%E", "E" },
diff --git a/glib/tests/option-argv0.c b/glib/tests/option-argv0.c
index 70e25d946a..47f18daddf 100644
--- a/glib/tests/option-argv0.c
+++ b/glib/tests/option-argv0.c
@@ -61,7 +61,7 @@ test_platform_argv0 (void)
    * and make them call g_test_skip() instead.
    */
 #if !defined HAVE_PROC_SELF_CMDLINE && \
-    !defined __OpenBSD__ && \
+    !defined G_OS_OPENBSD && \
     !defined G_OS_LINUX && \
     !defined G_OS_WIN32
   fatal_errors = FALSE;
diff --git a/meson.build b/meson.build
index 73e61dacd7..6025c1ea3a 100644
--- a/meson.build
+++ b/meson.build
@@ -241,6 +241,12 @@ elif host_system == 'cygwin'
 elif host_system == 'darwin'
   glib_os = '''#define G_OS_UNIX
 #define G_OS_DARWIN'''
+elif host_system == 'freebsd'
+  glib_os = '''#define G_OS_UNIX
+#define G_OS_FREEBSD'''
+elif host_system == 'openbsd'
+  glib_os = '''#define G_OS_UNIX
+#define G_OS_OPENBSD'''
 else
   glib_os = '#define G_OS_UNIX'
 endif