54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
#include <stdbool.h> ///< For boolean constants
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#include <signal.h>
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#define BUFF_SIZE 8
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#define SET_MAX_SIZE 8
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/// Struct for the edge
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typedef struct edge {
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int u, v;
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} edge_t;
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/// Struct for the feedback arc set
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typedef struct fb_arc_set {
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bool valid;
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int edge_num;
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edge_t edges[SET_MAX_SIZE];
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} fb_arc_set_t;
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/// Struct for the circular buffer
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typedef struct buffer {
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bool finished;
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short best_arc_len;
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fb_arc_set_t sets[BUFF_SIZE];
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} buffer_t;
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static bool terminate = false;
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/**
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* @brief Function to execute when the program gets a signal
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* @details flips the terminate variable to true
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* @param none
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* @return none
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**/
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static void signal_handler() {
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terminate = true;
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}
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/**
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* @brief Function to process the signals passed by the user
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* @details creates a new sigaction structure
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* and changes the behaviour of the SIGINT and SIGTERM signals
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* @param none
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* @return none
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**/
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static void process_signal(void){
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struct sigaction sa;
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memset(&sa, 0, sizeof(sa));
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sa.sa_handler = signal_handler;
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sigaction(SIGINT, &sa, NULL);
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sigaction(SIGTERM, &sa, NULL);
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}
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static buffer_t *circ_buffer;
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