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changeset 164:94f2e5607772 noffle

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[svn] * src/client.c,src/protocol.c,src/util.h,src/util.c: Common up repeated signal handler setting code into Utl_installSignalHandler. * src/client.c: Ensure Client_retrieveArt always exits with the global lock held. Previously it would be held on error, not held if OK.
author bears
date Thu, 25 Jan 2001 11:00:03 +0000
parents 3d243292468d
children 8ea6b5ddc5a5
files src/client.c src/protocol.c src/util.c src/util.h
diffstat 4 files changed, 30 insertions(+), 40 deletions(-) [+]
line wrap: on
line diff
--- a/src/client.c	Sun Jan 07 11:15:58 2001 +0000
+++ b/src/client.c	Thu Jan 25 11:00:03 2001 +0000
@@ -1,7 +1,7 @@
 /*
   client.c
 
-  $Id: client.c 240 2000-12-10 11:34:50Z enz $
+  $Id: client.c 248 2001-01-25 11:00:03Z bears $
 */
 
 #if HAVE_CONFIG_H
@@ -236,21 +236,6 @@
     return;
 }
 
-static sig_t
-installSignalHandler( int sig, sig_t handler )
-{
-    struct sigaction act, oldAct;
-
-    act.sa_handler = handler;
-    sigemptyset( &act.sa_mask );
-    act.sa_flags = 0;
-    if ( sig != SIGALRM )
-        act.sa_flags |= SA_RESTART;
-    if ( sigaction( sig, &act, &oldAct ) < 0 )
-        return SIG_ERR;
-    return oldAct.sa_handler;
-}
-
 static Bool
 connectWithTimeout( int sock, const struct sockaddr *servAddr,
                     socklen_t addrLen )
@@ -258,7 +243,7 @@
     sig_t oldHandler;
     int r, to;
 
-    oldHandler = installSignalHandler( SIGALRM, connectAlarm );
+    oldHandler = Utl_installSignalHandler( SIGALRM, connectAlarm );
     if ( oldHandler == SIG_ERR )
     {
         Log_err( "client.c:connectWithTimeout: signal failed." );
@@ -269,7 +254,7 @@
         Log_err( "client.c:connectWithTimeout: Alarm was already set." );
     r = connect( sock, servAddr, addrLen );
     alarm( 0 );
-    installSignalHandler( SIGALRM, oldHandler );
+    Utl_installSignalHandler( SIGALRM, oldHandler );
     return ( r >= 0 );
 }
 
@@ -1100,6 +1085,7 @@
         retrievingFailed( msgId, client.lastStat );
     else
         retrieveAndStoreArt( msgId, 0, 0 );
+    Lock_openDatabases();
 }
 
 void
--- a/src/protocol.c	Sun Jan 07 11:15:58 2001 +0000
+++ b/src/protocol.c	Thu Jan 25 11:00:03 2001 +0000
@@ -1,7 +1,7 @@
 /*
   protocol.c
 
-  $Id: protocol.c 228 2000-10-26 21:29:55Z bears $
+  $Id: protocol.c 248 2001-01-25 11:00:03Z bears $
 */
 
 #if HAVE_CONFIG_H
@@ -33,23 +33,6 @@
     return;
 }
 
-static sig_t
-installSignalHandler( int sig, sig_t handler )
-{
-    struct sigaction act, oldAct;
-
-    act.sa_handler = handler;
-    sigemptyset( &act.sa_mask );
-    act.sa_flags = 0;
-    if ( sig == SIGALRM )
-        act.sa_flags |= SA_INTERRUPT;
-    else
-        act.sa_flags |= SA_RESTART;
-    if ( sigaction( sig, &act, &oldAct ) < 0 )
-        return SIG_ERR;
-    return oldAct.sa_handler;
-}
-
 Bool
 Prt_getLn( Str line, FILE *f, int timeoutSeconds )
 {
@@ -59,7 +42,7 @@
 
     if ( timeoutSeconds >= 0 )
     {
-        oldHandler = installSignalHandler( SIGALRM, readAlarm );
+        oldHandler = Utl_installSignalHandler( SIGALRM, readAlarm );
         if ( oldHandler == SIG_ERR )
         {
             Log_err( "Prt_getLn: signal failed." );
@@ -76,7 +59,7 @@
     if ( timeoutSeconds >= 0 )
     {
         alarm( 0 );
-        installSignalHandler( SIGALRM, oldHandler );
+        Utl_installSignalHandler( SIGALRM, oldHandler );
     }
     if ( ret == NULL )
         return FALSE;
--- a/src/util.c	Sun Jan 07 11:15:58 2001 +0000
+++ b/src/util.c	Thu Jan 25 11:00:03 2001 +0000
@@ -1,7 +1,7 @@
 /*
   util.c
 
-  $Id: util.c 183 2000-07-25 12:14:54Z bears $
+  $Id: util.c 248 2001-01-25 11:00:03Z bears $
 */
 
 #if HAVE_CONFIG_H
@@ -462,6 +462,21 @@
     memcpy( *dst, src, (size_t)len + 1 );
 }
 
+sig_t
+Utl_installSignalHandler( int sig, sig_t handler )
+{
+    struct sigaction act, oldAct;
+
+    act.sa_handler = handler;
+    sigemptyset( &act.sa_mask );
+    act.sa_flags = 0;
+    if ( sig != SIGALRM )
+        act.sa_flags |= SA_RESTART;
+    if ( sigaction( sig, &act, &oldAct ) < 0 )
+        return SIG_ERR;
+    return oldAct.sa_handler;
+}
+
 #if defined(UTIL_TEST)
 
 /* Test code borrowed from wildmat.c. Yep, still uses gets(). */
--- a/src/util.h	Sun Jan 07 11:15:58 2001 +0000
+++ b/src/util.h	Thu Jan 25 11:00:03 2001 +0000
@@ -3,7 +3,7 @@
 
   Miscellaneous helper functions.
 
-  $Id: util.h 110 2000-05-19 15:12:45Z bears $
+  $Id: util.h 248 2001-01-25 11:00:03Z bears $
 */
 
 #ifndef UTL_H
@@ -13,6 +13,8 @@
 #include <config.h>
 #endif
 
+#include <signal.h>
+
 #if TIME_WITH_SYS_TIME
 #include <sys/time.h>
 #include <time.h>
@@ -100,4 +102,8 @@
 void
 Utl_allocAndCpy( char **dst, const char *src );
 
+/* Install signal handler. */
+sig_t
+Utl_installSignalHandler( int sig, sig_t handler );
+
 #endif