X-Git-Url: http://git.harvie.cz/?a=blobdiff_plain;f=c%2Fpthread_extra%2Fpthread_msgqueue.c;h=dbdb65ffc7166d3138a684a310cb72a6e7a6845e;hb=3aac261937c3a94461f4dd8fa64c17d5e158c692;hp=6e509c775eff38300699a3d65a321d4a1e8937ec;hpb=63658368a85bba1239a9049b6bbd4ea4d87469b2;p=mirrors%2FPrograms.git diff --git a/c/pthread_extra/pthread_msgqueue.c b/c/pthread_extra/pthread_msgqueue.c index 6e509c7..dbdb65f 100644 --- a/c/pthread_extra/pthread_msgqueue.c +++ b/c/pthread_extra/pthread_msgqueue.c @@ -1,30 +1,11 @@ -/* - * CFLAGS=-lpthread make pthread_msgqueue - */ - #include +#include #include #include #include #include #include #include -#include - -#define PTHREAD_X_NONWAIT (&(struct timespec){ .tv_sec = 0, .tv_nsec = 0 }) -#define PTHREAD_X_FOREVER NULL - -typedef struct pthread_mq_t { - pthread_mutex_t lock; - pthread_cond_t cond_readable; - pthread_cond_t cond_writable; - void * data; - size_t msg_size; - size_t msg_count; - size_t msg_count_max; - size_t head_idx; - char * name; -} pthread_mq_t; bool pthread_mq_readable(pthread_mq_t *mq) { return (mq->msg_count > 0); } bool pthread_mq_writable(pthread_mq_t *mq) { return (mq->msg_count < mq->msg_count_max); } @@ -133,48 +114,3 @@ bool pthread_mq_receive_generic(pthread_mq_t *mq, void * data, bool peek, const pthread_mutex_unlock(&mq->lock); return true; } - - - - - - - - - - -pthread_mq_t myq; - -void *thread_recv(void *args) { - char str[128]; - while(1) { - pthread_mq_receive_generic(&myq, &str, false, NULL); - printf("RECVD: %.6s\t\t(waiting %d)\n", str, pthread_mq_waiting(&myq)); - sleep(1); - } -} - -int main() { - char tmp[128]; - - pthread_mq_init(&myq, 6, 5); - - pthread_t t; - pthread_create(&t, NULL, thread_recv, NULL); - - pthread_mq_send_generic(&myq, "AHOJ1", false, NULL); - pthread_mq_send_generic(&myq, "AHOJ2", false, NULL); - pthread_mq_send_generic(&myq, "AHOJ3", true, NULL); - pthread_mq_send_generic(&myq, "AHOJ4", true, NULL); - pthread_mq_send_generic(&myq, "AHOJ5", false, NULL); - pthread_mq_send_generic(&myq, "AHOJ6", true, NULL); - - while(1) { - pthread_mq_send_generic(&myq, "B", false, NULL); - pthread_mq_send_generic(&myq, "A", true, NULL); - pthread_mq_send_generic(&myq, " A", false, NULL); - pthread_mq_send_generic(&myq, " B", false, NULL); - } - - pthread_join(t, NULL); -}