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MGR: CBOINCClientManager::IsBOINCCoreRunning() tests whether the Client process exists, rather than doing an RPC 

svn path=/trunk/boinc/; revision=18129
This commit is contained in:
Charlie Fenton 2009-05-16 01:28:18 +00:00
parent d71179c758
commit 2f199144da
1 changed files with 49 additions and 44 deletions
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93
clientgui/BOINCClientManager.cpp
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@ -294,6 +294,54 @@ bool CBOINCClientManager::StartupBOINCCore() {
}
#ifndef __WXMSW__
static char * PersistentFGets(char *buf, size_t buflen, FILE *f) {
char *p = buf;
size_t len = buflen;
size_t datalen = 0;
*buf = '\0';
while (datalen < (buflen - 1)) {
fgets(p, len, f);
if (feof(f)) break;
if (ferror(f) && (errno != EINTR)) break;
if (strchr(buf, '\n')) break;
datalen = strlen(buf);
p = buf + datalen;
len -= datalen;
}
return (buf[0] ? buf : NULL);
}
bool CBOINCClientManager::ProcessExists(pid_t thePID)
{
FILE *f;
char buf[256];
pid_t aPID;
// f = popen("ps -a -x -c -o pid,state", "r");
sprintf(buf, "ps -a -x -c -o pid,state -p %d", thePID);
f = popen(buf, "r");
if (f == NULL)
return false;
while (PersistentFGets(buf, sizeof(buf), f)) {
aPID = atol(buf);
if (aPID == thePID) {
if (strchr(buf, 'Z')) // A 'zombie', stopped but waiting
break; // for us (its parent) to quit
pclose(f);
return true;
}
}
pclose(f);
return false;
}
#endif
#if defined(__WXMSW__)
void CBOINCClientManager::ShutdownBOINCCore() {
@ -370,50 +418,7 @@ void CBOINCClientManager::ShutdownBOINCCore() {
#elif defined(__WXMAC__)
static char * PersistentFGets(char *buf, size_t buflen, FILE *f) {
char *p = buf;
size_t len = buflen;
size_t datalen = 0;
*buf = '\0';
while (datalen < (buflen - 1)) {
fgets(p, len, f);
if (feof(f)) break;
if (ferror(f) && (errno != EINTR)) break;
if (strchr(buf, '\n')) break;
datalen = strlen(buf);
p = buf + datalen;
len -= datalen;
}
return (buf[0] ? buf : NULL);
}
bool CBOINCClientManager::ProcessExists(pid_t thePID)
{
FILE *f;
char buf[256];
pid_t aPID;
// f = popen("ps -a -x -c -o pid,state", "r");
sprintf(buf, "ps -a -x -c -o pid,state -p %d", thePID);
f = popen(buf, "r");
if (f == NULL)
return false;
while (PersistentFGets(buf, sizeof(buf), f)) {
aPID = atol(buf);
if (aPID == thePID) {
if (strchr(buf, 'Z')) // A 'zombie', stopped but waiting
break; // for us (its parent) to quit
pclose(f);
return true;
}
}
pclose(f);
return false;
}
// wxProcess::Exists returns true for zombies and kill(pid, 0) returns OK for zombies
// wxProcess::Exists returns true for zombies because kill(pid, 0) returns OK for zombies
void CBOINCClientManager::ShutdownBOINCCore() {
CMainDocument* pDoc = wxGetApp().GetDocument();
wxInt32 iCount = 0;