X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Flog.c;fp=src%2Flog.c;h=e8a08b53741caa574fbaec8762ccb35655e0cdf9;hb=a1d1f456a1fbf44bfa5c6a9d041023ac498b0c46;hp=b7ad072f19cf582f3e602dec6d4b959227606dca;hpb=9a4dbf366bcfce43e50185f05ed8c3ad85ac8ba1;p=i3%2Fi3

diff --git a/src/log.c b/src/log.c
index b7ad072f..e8a08b53 100644
--- a/src/log.c
+++ b/src/log.c
@@ -58,6 +58,8 @@ static char *loglastwrap;
 static int logbuffer_size;
 /* File descriptor for shm_open. */
 static int logbuffer_shm;
+/* Size (in bytes) of physical memory */
+static long long physical_mem_bytes;
 
 /*
  * Writes the offsets for the next write and for the last wrap to the
@@ -89,6 +91,16 @@ void init_logging(void) {
             }
         }
     }
+    if (physical_mem_bytes == 0) {
+#if defined(__APPLE__)
+        int mib[2] = {CTL_HW, HW_MEMSIZE};
+        size_t length = sizeof(long long);
+        sysctl(mib, 2, &physical_mem_bytes, &length, NULL, 0);
+#else
+        physical_mem_bytes = (long long)sysconf(_SC_PHYS_PAGES) *
+                             sysconf(_SC_PAGESIZE);
+#endif
+    }
     /* Start SHM logging if shmlog_size is > 0. shmlog_size is SHMLOG_SIZE by
      * default on development versions, and 0 on release versions. If it is
      * not > 0, the user has turned it off, so let's close the logbuffer. */
@@ -108,15 +120,6 @@ void open_logbuffer(void) {
          * For 512 MiB of RAM this will lead to a 5 MiB log buffer.
          * At the moment (2011-12-10), no testcase leads to an i3 log
          * of more than ~ 600 KiB. */
-    long long physical_mem_bytes;
-#if defined(__APPLE__)
-    int mib[2] = {CTL_HW, HW_MEMSIZE};
-    size_t length = sizeof(long long);
-    sysctl(mib, 2, &physical_mem_bytes, &length, NULL, 0);
-#else
-    physical_mem_bytes = (long long)sysconf(_SC_PHYS_PAGES) *
-                         sysconf(_SC_PAGESIZE);
-#endif
     logbuffer_size = min(physical_mem_bytes * 0.01, shmlog_size);
 #if defined(__FreeBSD__)
     sasprintf(&shmlogname, "/tmp/i3-log-%d", getpid());