trackrdrd: Added assert.c, removed some code duplication

src/Makefile.am

@@ -19,7 +19,8 @@ trackrdrd_SOURCES = \
 	worker.c \
 	sandbox.c \
 	child.c \
-	handler.c
+	handler.c \
+	assert.c
 
 trackrdrd_LDADD = \
 	$(VARNISHSRC)/lib/libvarnishcompat/libvarnishcompat.la \

src/assert.c

+/*-
+ * Copyright (c) 2012 UPLEX Nils Goroll Systemoptimierung
+ * Copyright (c) 2012 Otto Gmbh & Co KG
+ * All rights reserved
+ * Use only with permission
+ *
+ * Authors: Geoffrey Simmons <geoffrey.simmons@uplex.de>
+ *	    Nils Goroll <nils.goroll@uplex.de>
+ *
+ * Portions adopted from varnishlog.c from the Varnish project
+ *	Author: Poul-Henning Kamp <phk@phk.freebsd.dk>
+ * 	Copyright (c) 2006 Verdens Gang AS
+ * 	Copyright (c) 2006-2011 Varnish Software AS
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <syslog.h>
+
+#include "trackrdrd.h"
+
+void
+ASRT_Fail(const char *func, const char *file, int line, const char *cond,
+    int err, int xxx)
+{
+    (void) xxx;
+    
+    LOG_Log(LOG_ALERT, "Condition (%s) failed in %s(), %s line %d",
+        cond, func, file, line);
+    if (err)
+        LOG_Log(LOG_ALERT, "errno = %d (%s)", err, strerror(err));
+    abort();
+}

src/child.c

@@ -136,7 +136,7 @@ struct hashtable_s {
 
     unsigned	occ_hi;		/* Occupancy high water mark */ 
     unsigned	occ_hi_this;	/* Occupancy high water mark this reporting
-                                   interval*/
+                                   interval */
 };
 
 typedef struct hashtable_s hashtable;
@@ -153,9 +153,6 @@ static hashtable htbl;
                 errno, 0);                                              \
     } while (0)
 
-static void assert_failure(const char *func, const char *file, int line,
-    const char *cond, int err, int xxx);
-
 static void
 entry_assert_failure(const char *func, const char *file, int line,
     const char *cond, hashentry *he, int err, int xxx)
@@ -170,25 +167,12 @@ entry_assert_failure(const char *func, const char *file, int line,
             (de), (de)->magic, (de)->state, (de)->xid, (de)->tid, (de)->end);
     else
         LOG_Log(LOG_ALERT, "Dataentry %p NULL!", (de));
-    assert_failure(func, file, line, cond, err, xxx);
+    ASRT_Fail(func, file, line, cond, err, xxx);
 }
 #endif
 
 /*--------------------------------------------------------------------*/
 
-static void
-assert_failure(const char *func, const char *file, int line, const char *cond,
-    int err, int xxx)
-{
-    (void) xxx;
-    
-    LOG_Log(LOG_ALERT, "Condition (%s) failed in %s(), %s line %d",
-        cond, func, file, line);
-    if (err)
-        LOG_Log(LOG_ALERT, "errno = %d (%s)", err, strerror(err));
-    abort();
-}
-
 static inline void
 check_entry(hashentry *he, unsigned xid, unsigned tid)
 {

src/trackrdrd.c

@@ -72,18 +72,6 @@
 #include "revision.h"
 #include "usage.h"
 
-/* Hack, because we cannot have #ifdef in the macro definition SIGDISP */
-#define _UNDEFINED(SIG) ((#SIG)[0] == 0)
-#define UNDEFINED(SIG) _UNDEFINED(SIG)
-
-#define SIGDISP(SIG, action)						\
-    do { if (UNDEFINED(SIG)) break;					\
-	if (sigaction((SIG), (&action), NULL) != 0)			\
-             LOG_Log(LOG_ALERT,						\
-                 "Cannot install handler for " #SIG ": %s",		\
-                 strerror(errno));					\
-    } while(0)
-
 static volatile sig_atomic_t reload;
 
 static struct sigaction restart_action;
@@ -97,19 +85,6 @@ restart(int sig)
     reload = 1;
 }
 
-static void
-assert_failure(const char *func, const char *file, int line, const char *cond,
-    int err, int xxx)
-{
-    (void) xxx;
-    
-    LOG_Log(LOG_ALERT, "Condition (%s) failed in %s(), %s line %d",
-        cond, func, file, line);
-    if (err)
-        LOG_Log(LOG_ALERT, "errno = %d (%s)", err, strerror(err));
-    abort();
-}
-
 /*--------------------------------------------------------------------*/
 
 /* Handle for the PID file */
@@ -166,7 +141,11 @@ parent_main(pid_t child_pid, struct VSM_data *vd, int endless)
     pid_t wpid;
 
     LOG_Log0(LOG_INFO, "Management process starting");
-    
+
+    restart_action.sa_handler = restart;
+    AZ(sigemptyset(&restart_action.sa_mask));
+    restart_action.sa_flags &= ~SA_RESTART;
+
     term = 0;
     reload = 0;
     /* install signal handlers */
@@ -340,7 +319,7 @@ main(int argc, char * const *argv)
             exit(EXIT_FAILURE);
         }
 
-        VAS_Fail = assert_failure;
+        VAS_Fail = ASRT_Fail;
         
         if (d_flag)
             LOG_SetLevel(LOG_DEBUG);
@@ -370,10 +349,6 @@ main(int argc, char * const *argv)
 	AZ(sigemptyset(&terminate_action.sa_mask));
 	terminate_action.sa_flags &= ~SA_RESTART;
 
-	restart_action.sa_handler = restart;
-	AZ(sigemptyset(&restart_action.sa_mask));
-	restart_action.sa_flags &= ~SA_RESTART;
-
 	stacktrace_action.sa_handler = HNDL_Abort;
 
 	ignore_action.sa_handler = SIG_IGN;

src/trackrdrd.h

@@ -43,6 +43,11 @@
 #define MIN(x, y)	((x) < (y) ? (x) : (y))
 #define MAX(x, y)	((x) < (y) ? (y) : (x))
 
+/* assert.c */
+
+void ASRT_Fail(const char *func, const char *file, int line, const char *cond,
+    int err, int xxx);
+               
 /* handler.c */
 
 /* Hack, because we cannot have #ifdef in the macro definition SIGDISP */