Fresco/Prague/src/Sys File.cc,1.7,1.8 Fork.cc,1.9,1.10 Signal.cc,1.12,1.13 Stopwatch.cc,1.9,1.10

Update of /cvs/fresco/Fresco/Prague/src/Sys
In directory purcel:/tmp/cvs-serv6616/Prague/src/Sys

Modified Files:
	File.cc Fork.cc Signal.cc Stopwatch.cc 
Log Message:
Throw std::runtime_error instead of using perror function in Prague.
Closes bug281.


Index: File.cc
===================================================================
RCS file: /cvs/fresco/Fresco/Prague/src/Sys/File.cc,v
retrieving revision 1.7
retrieving revision 1.8
diff -u -d -r1.7 -r1.8
--- File.cc	31 Oct 2003 22:33:13 -0000	1.7
+++ File.cc	7 Nov 2003 23:46:37 -0000	1.8
@@ -102,4 +102,4 @@
     }
 }
 
-const char *File::last_error() const { return strerror(_error); }
\ No newline at end of file
+const char *File::last_error() const { return strerror(_error); }

Index: Fork.cc
===================================================================
RCS file: /cvs/fresco/Fresco/Prague/src/Sys/Fork.cc,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -d -r1.9 -r1.10
--- Fork.cc	3 Nov 2003 17:53:54 -0000	1.9
+++ Fork.cc	7 Nov 2003 23:46:37 -0000	1.10
@@ -186,8 +186,9 @@
 bool  Fork::child() const { return process->pid == 0; }
 bool  Fork::parent() const { return process->pid > 0; }
 pid_t Fork::pid() const { return process->pid; }
-void  Fork::suicide_on_signal (Signal::type signo)
+void  Fork::suicide_on_signal (Signal::type signo) throw(std::runtime_error)
 {
     if (!Signal::set(signo, &Process::suicide))
-        std::perror ("Fork: Cannot commit suicide with the specified signal");
+        throw std::runtime_error(std::string("Fork: Cannot commit suicide with the specified signal: ") +
+                                 strerror(errno));
 }

Index: Signal.cc
===================================================================
RCS file: /cvs/fresco/Fresco/Prague/src/Sys/Signal.cc,v
retrieving revision 1.12
retrieving revision 1.13
diff -u -d -r1.12 -r1.13
--- Signal.cc	3 Nov 2003 17:53:54 -0000	1.12
+++ Signal.cc	7 Nov 2003 23:46:37 -0000	1.13
@@ -22,6 +22,7 @@
 #include "Prague/config.hh"
 #include "Prague/Sys/Signal.hh"
 #include <cstring>
+#include <string>
 #include <algorithm>
 #include <cstdio>
 
@@ -161,7 +162,7 @@
     return s;
 }
 
-bool Signal::ispending(type signo)
+bool Signal::ispending(type signo) throw(std::runtime_error)
 {
     sigset_t s = pending();
     switch (sigismember(&s, type(signo)))
@@ -169,7 +170,8 @@
       case  1:
         return true;
       case -1:
-        perror("Signal::ispending: ");
+        throw std::runtime_error(std::string("Signal::ispending failed: ") +
+                                 strerror(errno));
       case  0:
       default:
         return false;

Index: Stopwatch.cc
===================================================================
RCS file: /cvs/fresco/Fresco/Prague/src/Sys/Stopwatch.cc,v
retrieving revision 1.9
retrieving revision 1.10
diff -u -d -r1.9 -r1.10
--- Stopwatch.cc	31 Oct 2003 22:33:13 -0000	1.9
+++ Stopwatch.cc	7 Nov 2003 23:46:37 -0000	1.10
@@ -24,6 +24,8 @@
 
 #include <sys/times.h>
 #include <unistd.h>
+#include <cerrno>
+#include <string>
 
 using namespace Prague;
 
@@ -35,24 +37,28 @@
     start();
 }
 
-void Stopwatch::start()
+void Stopwatch::start() throw(std::runtime_error)
 {
     _state = running;
     struct tms cpt;
     _real.begin = times(&cpt);
     _cpu.begin  = cpt.tms_utime;
     _sys.begin  = cpt.tms_stime;
-    if (_real.begin == -1) perror("Stopwatch::start");
+    if (_real.begin == -1)
+        throw std::runtime_error(std::string("Failed to start the Stopwatch: ") +
+                                 strerror(errno));
 }
 
-void Stopwatch::stop()
+void Stopwatch::stop() throw(std::runtime_error)
 {
     _state = stopped;
     struct tms cpt;
     _real.end = times(&cpt);
     _cpu.end  = cpt.tms_utime;
     _sys.end  = cpt.tms_stime;
-    if (_real.end == -1) perror("Stopwatch::stop");
+    if (_real.end == -1)
+        throw std::runtime_error(std::string("Failed to stop the Stopwatch: ") +
+                                 strerror(errno));
 }
 
 double Stopwatch::real_time()