[patch mod_example.c] print pid, ppid and tid

[Stas Bekman]

As I was debugging some weird behavior of mod_perl 2, where getppid() was 
returning 1, I tried to verify that it works on the C level, using 
mod_example.c. Do you think it's worth adding the following in mod_example.c?

It prints something like:

Process ID: 31870, Parent Process ID: 31864, Thread ID: 16384

Index: modules/experimental/mod_example.c
===================================================================
RCS file: /home/cvs/httpd-2.0/modules/experimental/mod_example.c,v
retrieving revision 1.41.2.1
diff -u -r1.41.2.1 mod_example.c
--- modules/experimental/mod_example.c  3 Feb 2003 17:31:37 -0000       1.41.2.1
+++ modules/experimental/mod_example.c  15 Oct 2003 23:56:33 -0000
@@ -75,6 +75,11 @@
 #include "util_script.h"
 #include "http_connection.h"
+#if APR_HAVE_UNISTD_H
+/* for getpid() */
+#include <unistd.h>
+#endif
+
 #include "apr_strings.h"
 #include <stdio.h>
@@ -580,6 +585,12 @@
     ap_rputs("  <BR>\n", r);
     ap_rprintf(r, "  Server built: \"%s\"\n", ap_get_server_built());
     ap_rputs("  </P>\n", r);;
+    ap_rprintf(r, "<P>Process ID: %lu, Parent Process ID: %lu",
+               (unsigned long)getpid(), (unsigned long)getppid());
+#if APR_HAS_THREADS
+    ap_rprintf(r, ", Thread ID: %lu", (unsigned long)apr_os_thread_current());
+#endif
+    ap_rputs("  </P>\n", r);
     ap_rputs("  <P>\n", r);
     ap_rputs("  The format for the callback trace is:\n", r);
     ap_rputs("  </P>\n", r);
__________________________________________________________________
Stas Bekman            JAm_pH ------> Just Another mod_perl Hacker
http://stason.org/     mod_perl Guide ---> http://perl.apache.org
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