diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CopyJob.cc | 22 | ||||
| -rw-r--r-- | lib/ReadJob.cc | 33 | ||||
| -rw-r--r-- | lib/Task.cc | 10 | ||||
| -rw-r--r-- | lib/TaskMan.cc | 45 | 
4 files changed, 71 insertions, 39 deletions
| diff --git a/lib/CopyJob.cc b/lib/CopyJob.cc index f1d3310..e46e3da 100644 --- a/lib/CopyJob.cc +++ b/lib/CopyJob.cc @@ -5,27 +5,29 @@ CopyJob::CopyJob(Handle * as, Handle * ad, ssize_t asiz) : s(as), d(ad), siz(asi  CopyJob::~CopyJob() { } -int CopyJob::Do() { +int CopyJob::Do() throw (GeneralException) {      int r, tr;      while (!s->IsClosed() || (siz != cursiz)) { -	if (!current) { +	switch (current) { +	case 0:  	    tr = siz >= 0 ? siz - cursiz : COPY_BUFSIZ;  	    try {  		r = s->read(buffer, MIN(COPY_BUFSIZ, tr));  	    }  	    catch (IOAgain e) { -		return TASK_ON_HOLD; +		throw TaskSwitch(); +	    } +	case 1: +	    try { +		d->write(buffer, r); +	    } +	    catch (IOAgain e) { +		current = 1; +		throw TaskSwitch();  	    }  	    current = 0;  	} -	try { -	    d->write(buffer, r); -	} -	catch (IOAgain e) { -	    current = 1; -	    return TASK_ON_HOLD; -	}  	cursiz += r;      }  } diff --git a/lib/ReadJob.cc b/lib/ReadJob.cc index a63eeca..2c244ad 100644 --- a/lib/ReadJob.cc +++ b/lib/ReadJob.cc @@ -5,37 +5,36 @@ ReadJob::ReadJob(Handle * as, Handle * ad) : s(as), d(ad), current(0) { }  ReadJob::~ReadJob() { } -int ReadJob::Do() { -    int r; +int ReadJob::Do() throw (GeneralException) {      String buff;      cerr << "ReadJob running...\n";      while (!s->IsClosed()) { -	if (!current) { -	    r = 0; +	switch (current) { +	case 0:  	    try {  		cerr << "Trying to read...\n";  		*s >> buff;  	    }  	    catch (IOAgain e) {  		cerr << "Suspending ReadJob to wait for reading...\n"; -		r = 1; +		throw TaskSwitch();  	    } -	    if (r) Suspend();  	    cerr << "Read some bytes...\n"; +	case 1: +	    try { +		*d << buff << endnl; +	    } +	    catch (IOAgain e) { +		cerr << "Suspending ReadJob to wait for writing...\n"; +		current = 1; +		throw TaskSwitch(); +	    } +	    current = 0; +	    cerr << "Wrote some bytes...\n"; +	    if (buff == "") return TASK_DONE;  	} -	r = 0; -	try { -	    *d << buff << endnl; -	} -	catch (IOAgain e) { -	    cerr << "Suspending ReadJob to wait for writing...\n"; -	    r = 1; -	} -	if (r) Suspend(); -	cerr << "Wrote some bytes...\n"; -	if (buff == "") return TASK_DONE;      }      return TASK_DONE; diff --git a/lib/Task.cc b/lib/Task.cc index 2db8ce5..338eaba 100644 --- a/lib/Task.cc +++ b/lib/Task.cc @@ -5,7 +5,7 @@  Task::Task() : state(TASK_ON_HOLD), suspended(false) {}  Task::~Task() {} -int Task::Do() { +int Task::Do() throw (GeneralException) {      return TASK_ON_HOLD;  } @@ -43,18 +43,18 @@ void Task::Suspend() throw (GeneralException) {      throw TaskSwitch();  } -void WaitFor(Handle * h) { +void Task::WaitFor(Handle * h) {      w4ha.push_back(h);  } -void WaitFor(Task * t) { +void Task::WaitFor(Task * t) {      w4ta.push_back(t);  } -void WaitFor(pid_t p) { +void Task::WaitFor(pid_t p) {      w4pr.push_back(p);  } -void WaitFor(struct timeval t) { +void Task::WaitFor(struct timeval t) {      w4to.push_back(t);  } diff --git a/lib/TaskMan.cc b/lib/TaskMan.cc index 9abffb1..6a38491 100644 --- a/lib/TaskMan.cc +++ b/lib/TaskMan.cc @@ -1,13 +1,19 @@  #include <signal.h> +#include <wait.h> +#include <vector.h>  #include "TaskMan.h"  bool TaskMan::inited = false; -static got_sigchild = 0; +static int got_sigchild = 0; +static vector<pid_t> process; +static int nbprocess = 0;  void taskman_sigchild(int sig) {      got_sigchild = 1; -    signal(SIGCHILD, taskman_sigchild); +    process.push_back(wait(NULL)); +    signal(SIGCHLD, taskman_sigchild); +    nbprocess++;  }  TaskMan::TaskMan() throw (GeneralException) { @@ -19,7 +25,7 @@ void TaskMan::Init() throw (GeneralException) {  	throw GeneralException("Task Manager already initialised.");      } -    signal(SIGCHILD, taskman_sigchild); +    signal(SIGCHLD, taskman_sigchild);      inited = true;      number = 0; @@ -37,7 +43,7 @@ int TaskMan::RemoveTask(Task * t) {      for (i = 0; i < number; i++) {  	if (TaskList[i] == t) { -	    TaskList.erase(i); +	    TaskList.erase(&TaskList[i]);  	    number--;  	    return 0;  	} @@ -46,14 +52,39 @@ int TaskMan::RemoveTask(Task * t) {  }  void TaskMan::MainLoop() throw (GeneralException) { +    Task ** p, * t; +      while (1) {  	if (number == 0) {  	    throw GeneralException("TaskMan: No more task to manage.");  	} - -#ifdef HAVE_POLL +	p = TaskList.begin(); +	 +	while (1) { +	    t = *p; + +#ifdef HAVE_POLL	  #else -#endif	 +#endif + +	    try { +		t->Do(); +	    } +	    catch (TaskSwitch) { +		continue; +	    } +	    if (t->GetState() == TASK_DONE) { +		TaskList.erase(p); +	    } +	     +	    if (p == TaskList.end()) { +		break; +	    } +	     +	    p++; +	} + +	      }  } | 
