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This commit is contained in:
Bassem Girgis
2018-10-17 23:47:57 -05:00
parent 558e8e22da
commit c8a8949366
56 changed files with 4153 additions and 3900 deletions
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37
src/ch07/workq.h
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@@ -26,34 +26,33 @@
* Structure to keep track of work queue requests.
*/
typedef struct workq_ele_tag {
struct workq_ele_tag *next;
void *data;
struct workq_ele_tag* next;
void* data;
} workq_ele_t;
/*
* Structure describing a work queue.
*/
typedef struct workq_tag {
pthread_mutex_t mutex;
pthread_cond_t cv; /* wait for work */
pthread_attr_t attr; /* create detached threads */
workq_ele_t *first, *last; /* work queue */
int valid; /* set when valid */
int quit; /* set when workq should quit */
int parallelism; /* number of threads required */
int counter; /* current number of threads */
int idle; /* number of idle threads */
void (*engine)(void *arg); /* user engine */
pthread_mutex_t mutex;
pthread_cond_t cv; /* wait for work */
pthread_attr_t attr; /* create detached threads */
workq_ele_t *first, *last; /* work queue */
int valid; /* set when valid */
int quit; /* set when workq should quit */
int parallelism; /* number of threads required */
int counter; /* current number of threads */
int idle; /* number of idle threads */
void (*engine)(void* arg); /* user engine */
} workq_t;
#define WORKQ_VALID 0xdec1992
#define WORKQ_VALID 0xdec1992
/*
* Define work queue functions
*/
extern int workq_init (
workq_t *wq,
int threads, /* maximum threads */
void (*engine)(void *)); /* engine routine */
extern int workq_destroy (workq_t *wq);
extern int workq_add (workq_t *wq, void *data);
extern int workq_init(workq_t* wq,
int threads, /* maximum threads */
void (*engine)(void*)); /* engine routine */
extern int workq_destroy(workq_t* wq);
extern int workq_add(workq_t* wq, void* data);