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From traw...@apache.org
Subject svn commit: r1294936 - in /httpd/httpd/trunk: CHANGES include/mpm_common.h include/scoreboard.h
Date Wed, 29 Feb 2012 01:52:17 GMT
Author: trawick
Date: Wed Feb 29 01:52:17 2012
New Revision: 1294936

URL: http://svn.apache.org/viewvc?rev=1294936&view=rev
Log:
Fix MPM DSO load failure on AIX.

Without the proper AP_DECLARE*, these functions used by MPMs
were not exported from httpd on AIX, resulting in symbol
resolution errors.

Modified:
    httpd/httpd/trunk/CHANGES
    httpd/httpd/trunk/include/mpm_common.h
    httpd/httpd/trunk/include/scoreboard.h

Modified: httpd/httpd/trunk/CHANGES
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/CHANGES?rev=1294936&r1=1294935&r2=1294936&view=diff
==============================================================================
--- httpd/httpd/trunk/CHANGES [utf-8] (original)
+++ httpd/httpd/trunk/CHANGES [utf-8] Wed Feb 29 01:52:17 2012
@@ -1,6 +1,8 @@
                                                          -*- coding: utf-8 -*-
 Changes with Apache 2.5.0
 
+  *) Fix MPM DSO load failure on AIX.  [Jeff Trawick]
+
   *) core: Add the port number to the vhost's name in the scoreboard.
      [Stefan Fritsch]
 

Modified: httpd/httpd/trunk/include/mpm_common.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/include/mpm_common.h?rev=1294936&r1=1294935&r2=1294936&view=diff
==============================================================================
--- httpd/httpd/trunk/include/mpm_common.h (original)
+++ httpd/httpd/trunk/include/mpm_common.h Wed Feb 29 01:52:17 2012
@@ -102,8 +102,8 @@ typedef void ap_reclaim_callback_fn_t(in
  * in the scoreboard as well as those currently registered via
  * ap_register_extra_mpm_process().
  */
-void ap_reclaim_child_processes(int terminate,
-                                ap_reclaim_callback_fn_t *mpm_callback);
+AP_DECLARE(void) ap_reclaim_child_processes(int terminate,
+                                            ap_reclaim_callback_fn_t *mpm_callback);
 
 /**
  * Catch any child processes that have been spawned by the parent process
@@ -115,7 +115,7 @@ void ap_reclaim_child_processes(int term
  * in the scoreboard as well as those currently registered via
  * ap_register_extra_mpm_process().
  */
-void ap_relieve_child_processes(ap_reclaim_callback_fn_t *mpm_callback);
+AP_DECLARE(void) ap_relieve_child_processes(ap_reclaim_callback_fn_t *mpm_callback);
 
 /**
  * Tell ap_reclaim_child_processes() and ap_relieve_child_processes() about
@@ -128,7 +128,7 @@ void ap_relieve_child_processes(ap_recla
  * ap_reclaim_child_processes(), remove it from the list of such processes
  * by calling ap_unregister_extra_mpm_process().
  */
-void ap_register_extra_mpm_process(pid_t pid, ap_generation_t gen);
+AP_DECLARE(void) ap_register_extra_mpm_process(pid_t pid, ap_generation_t gen);
 
 /**
  * Unregister an MPM child process which was previously registered by a
@@ -138,10 +138,11 @@ void ap_register_extra_mpm_process(pid_t
  * @param old_gen Set to the server generation of the process, if found.
  * @return 1 if the process was found and removed, 0 otherwise
  */
-int ap_unregister_extra_mpm_process(pid_t pid, ap_generation_t *old_gen);
+AP_DECLARE(int) ap_unregister_extra_mpm_process(pid_t pid, ap_generation_t *old_gen);
 
 /**
  * Pool cleanup for end-generation hook implementation
+ * (core httpd function)
  */
 apr_status_t ap_mpm_end_gen_helper(void *unused);
 
@@ -154,7 +155,7 @@ apr_status_t ap_mpm_end_gen_helper(void 
  * APR_EINVAL is returned if passed either an invalid (< 1) pid, or if
  * the pid is not in the current process group
  */
-apr_status_t ap_mpm_safe_kill(pid_t pid, int sig);
+AP_DECLARE(apr_status_t) ap_mpm_safe_kill(pid_t pid, int sig);
 
 /**
  * Run the monitor hook (once every ten calls), determine if any child
@@ -166,8 +167,9 @@ apr_status_t ap_mpm_safe_kill(pid_t pid,
  * @param p The pool to allocate out of
  * @param s The server_rec to pass
  */
-void ap_wait_or_timeout(apr_exit_why_e *status, int *exitcode, apr_proc_t *ret,
-                        apr_pool_t *p, server_rec *s);
+AP_DECLARE(void) ap_wait_or_timeout(apr_exit_why_e *status, int *exitcode,
+                                    apr_proc_t *ret, apr_pool_t *p, 
+                                    server_rec *s);
 
 /**
  * Log why a child died to the error log, if the child died without the
@@ -177,7 +179,7 @@ void ap_wait_or_timeout(apr_exit_why_e *
  * @param status The status returned from ap_wait_or_timeout
  * @return 0 on success, APEXIT_CHILDFATAL if MPM should terminate
  */
-int ap_process_child_status(apr_proc_t *pid, apr_exit_why_e why, int status);
+AP_DECLARE(int) ap_process_child_status(apr_proc_t *pid, apr_exit_why_e why, int status);
 
 #if defined(TCP_NODELAY)
 /**
@@ -289,14 +291,14 @@ AP_DECLARE(const char *) ap_check_mpm(vo
  * The maximum number of requests each child thread or
  * process handles before dying off
  */
-extern int ap_max_requests_per_child;
+AP_DECLARE_DATA extern int ap_max_requests_per_child;
 const char *ap_mpm_set_max_requests(cmd_parms *cmd, void *dummy,
                                     const char *arg);
 
 /**
  * The filename used to store the process id.
  */
-extern const char *ap_pid_fname;
+AP_DECLARE_DATA extern const char *ap_pid_fname;
 const char *ap_mpm_set_pidfile(cmd_parms *cmd, void *dummy,
                                const char *arg);
 void ap_mpm_dump_pidfile(apr_pool_t *p, apr_file_t *out);
@@ -304,16 +306,16 @@ void ap_mpm_dump_pidfile(apr_pool_t *p, 
 /*
  * The directory that the server changes directory to dump core.
  */
-extern char ap_coredump_dir[MAX_STRING_LEN];
-extern int ap_coredumpdir_configured;
+AP_DECLARE_DATA extern char ap_coredump_dir[MAX_STRING_LEN];
+AP_DECLARE_DATA extern int ap_coredumpdir_configured;
 const char *ap_mpm_set_coredumpdir(cmd_parms *cmd, void *dummy,
                                    const char *arg);
 
 /**
  * Set the timeout period for a graceful shutdown.
  */
-extern int ap_graceful_shutdown_timeout;
-const char *ap_mpm_set_graceful_shutdown(cmd_parms *cmd, void *dummy,
+AP_DECLARE_DATA extern int ap_graceful_shutdown_timeout;
+AP_DECLARE(const char *)ap_mpm_set_graceful_shutdown(cmd_parms *cmd, void *dummy,
                                          const char *arg);
 #define AP_GRACEFUL_SHUTDOWN_TIMEOUT_COMMAND \
 AP_INIT_TAKE1("GracefulShutdownTimeout", ap_mpm_set_graceful_shutdown, NULL, \
@@ -324,16 +326,16 @@ AP_INIT_TAKE1("GracefulShutdownTimeout",
 int ap_signal_server(int *, apr_pool_t *);
 void ap_mpm_rewrite_args(process_rec *);
 
-extern AP_DECLARE_DATA apr_uint32_t ap_max_mem_free;
+AP_DECLARE_DATA extern apr_uint32_t ap_max_mem_free;
 extern const char *ap_mpm_set_max_mem_free(cmd_parms *cmd, void *dummy,
                                            const char *arg);
 
-extern apr_size_t ap_thread_stacksize;
+AP_DECLARE_DATA extern apr_size_t ap_thread_stacksize;
 extern const char *ap_mpm_set_thread_stacksize(cmd_parms *cmd, void *dummy,
                                                const char *arg);
 
-extern apr_status_t ap_fatal_signal_setup(server_rec *s, apr_pool_t *pconf);
-extern apr_status_t ap_fatal_signal_child_setup(server_rec *s);
+AP_DECLARE(apr_status_t) ap_fatal_signal_setup(server_rec *s, apr_pool_t *pconf);
+AP_DECLARE(apr_status_t) ap_fatal_signal_child_setup(server_rec *s);
 
 /* core's implementation of child_status hook */
 extern void ap_core_child_status(server_rec *s, pid_t pid, ap_generation_t gen,

Modified: httpd/httpd/trunk/include/scoreboard.h
URL: http://svn.apache.org/viewvc/httpd/httpd/trunk/include/scoreboard.h?rev=1294936&r1=1294935&r2=1294936&view=diff
==============================================================================
--- httpd/httpd/trunk/include/scoreboard.h (original)
+++ httpd/httpd/trunk/include/scoreboard.h Wed Feb 29 01:52:17 2012
@@ -156,14 +156,21 @@ typedef struct {
 
 typedef struct ap_sb_handle_t ap_sb_handle_t;
 
+/*
+ * Creation and deletion (internal)
+ */
+int ap_create_scoreboard(apr_pool_t *p, ap_scoreboard_e t);
+apr_status_t ap_cleanup_scoreboard(void *d);
+
+/*
+ * APIs for MPMs and other modules
+ */
 AP_DECLARE(int) ap_exists_scoreboard_image(void);
 AP_DECLARE(void) ap_increment_counts(ap_sb_handle_t *sbh, request_rec *r);
 
-int ap_create_scoreboard(apr_pool_t *p, ap_scoreboard_e t);
-apr_status_t ap_reopen_scoreboard(apr_pool_t *p, apr_shm_t **shm, int detached);
-void ap_init_scoreboard(void *shared_score);
+AP_DECLARE(apr_status_t) ap_reopen_scoreboard(apr_pool_t *p, apr_shm_t **shm, int detached);
+AP_DECLARE(void) ap_init_scoreboard(void *shared_score);
 AP_DECLARE(int) ap_calc_scoreboard_size(void);
-apr_status_t ap_cleanup_scoreboard(void *d);
 
 AP_DECLARE(void) ap_create_sb_handle(ap_sb_handle_t **new_sbh, apr_pool_t *p,
                                      int child_num, int thread_num);



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