#include <Fork.h>
Inheritance diagram for ASSA::ForkList:
Public Member Functions | |
| ForkList () | |
| Constructor. | |
| ~ForkList () | |
| Destructor. Wipe out childer based on their state. | |
Public Attributes | |
| list< fnode_t * > | m_list |
| List of children's data structures. | |
Its task is on process exit, for each child forked, either terminate it with SIGTERM or wait for its exit. In any case, child's exit status is collected thus avoiding zombie processes.
Definition at line 231 of file Fork.h.
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Constructor.
Definition at line 235 of file Fork.h. References ASSA::FORK, and trace_with_mask. 00235 { trace_with_mask("ForkList::ForkList",FORK); }
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Destructor. Wipe out childer based on their state.
Definition at line 189 of file Fork.cpp. References ASSA::FORK, m_list, and trace_with_mask. 00190 { 00191 trace_with_mask("ForkList::~ForkList",FORK); 00192 00193 list<fnode_t* >::iterator i; 00194 pid_t pid; 00195 00196 // Go through the list and send SIGTERM to those children 00197 // whose flags were set at fork time. 00198 00199 for (i = m_list.begin(); i != m_list.end(); i++) { 00200 if ((*i)->needKill()) { 00201 ::kill((*i)->getPID(), SIGTERM); 00202 } 00203 } 00204 // Wait for all children to exit. 00205 00206 while ( ! m_list.empty() ) { // wait for child to exit 00207 pid = ::wait(NULL); 00208 if ( pid < 0 ) { // error on wait 00209 EL((ASSAERR,"Error on wait()\n")); 00210 exit (EXIT_FAILURE); 00211 } 00212 // Search for child through the list by its pid. 00213 // If found, remove it from list and release memory. 00214 00215 list<fnode_t* >::iterator j; 00216 00217 for (j = m_list.begin(); j != m_list.end(); j++) { 00218 if ((*j)->getPID() == pid) { 00219 fnode_t* ep = *j; 00220 m_list.erase(j); 00221 delete ep; 00222 break; 00223 } 00224 } 00225 } 00226 }
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List of children's data structures.
Definition at line 241 of file Fork.h. Referenced by ~ForkList(). |
1.4.6