From f6f2b58ae400f7ac73e2abf633d3b1f4b746fcf7 Mon Sep 17 00:00:00 2001
From: Marcel Telka <marcel@telka.sk>
Date: Thu, 19 Sep 2024 00:56:00 +0200
Subject: [PATCH] sysinfo: Add memory size detection support for illumos and
 Solaris

---
 src/as-system-info.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/as-system-info.c b/src/as-system-info.c
index c7526ade..17b1ea16 100644
--- a/src/as-system-info.c
+++ b/src/as-system-info.c
@@ -56,6 +56,8 @@
 #include <mach/mach.h>
 #include <mach/host_info.h>
 #include <mach/mach_host.h>
+#elif defined(__sun)
+#include <unistd.h>
 #endif
 #ifdef HAVE_SYSTEMD
 #include <systemd/sd-hwdb.h>
@@ -511,6 +513,12 @@ as_get_physical_memory_total (void)
 		return 0;
 	}
 	return hbi.memory_size / MB_IN_BYTES;
+#elif defined(__sun)
+	long physpages = sysconf(_SC_PHYS_PAGES);
+	long pagesize = sysconf(_SC_PAGESIZE);
+	if (physpages > 0 && pagesize > 0)
+		return (physpages * pagesize) / MB_IN_BYTES;
+	return 0;
 #else
 #error "Implementation of as_get_physical_memory_total() missing for this OS."
 #endif