Examples directory renamed -> tests

1 files changed, 0 insertions, 180 deletions

diff --git a/examples/shm/shm.c b/examples/shm/shm.c
deleted file mode 100644
index fd2c2ce..0000000
--- a/examples/shm/shm.c
+++ /dev/null
@@ -1,180 +0,0 @@
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/ipc.h>
-#include <sys/shm.h>
-#include <sys/wait.h>
-#include <sys/time.h>
-#include <semaphore.h>
-#include <stdio.h>
-#include <aes.h>
-
-sem_t *enc_sem, *get_sem;
-
-#define SHM_SIZE 64*1024
-
-void child(pid_t parent, void *mem)
-{
-	char key[16];
-	char iv[16];
-	struct crypto_aes_ctx ctx;
-	uint32_t mem_size;
-
-	for (;;) {
-		memset(key, 0xa3, sizeof(key));
-		memset(iv, 0x3, sizeof(iv));
-
-		sem_wait(enc_sem);
-
-		crypto_aes_expand_key(&ctx, (void *)key, sizeof(key));
-
-		memcpy(&mem_size, mem, sizeof(mem_size));
-
-		crypto_cbc_encrypt(&ctx, mem, mem_size, mem, iv);
-
-		sem_post(get_sem);
-	}
-}
-
-static int must_finish = 0;
-
-static void alarm_handler(int signo)
-{
-	must_finish = 1;
-}
-
-static double udifftimeval(struct timeval start, struct timeval end)
-{
-	return (double)(end.tv_usec - start.tv_usec) +
-	    (double)(end.tv_sec - start.tv_sec) * 1000 * 1000;
-}
-
-static void value2human(double bytes, double time, double *data, double *speed,
-			char *metric)
-{
-	if (bytes > 1000 && bytes < 1000 * 1000) {
-		*data = ((double)bytes) / 1000;
-		*speed = *data / time;
-		strcpy(metric, "Kb");
-		return;
-	} else if (bytes >= 1000 * 1000 && bytes < 1000 * 1000 * 1000) {
-		*data = ((double)bytes) / (1000 * 1000);
-		*speed = *data / time;
-		strcpy(metric, "Mb");
-		return;
-	} else if (bytes >= 1000 * 1000 * 1000) {
-		*data = ((double)bytes) / (1000 * 1000 * 1000);
-		*speed = *data / time;
-		strcpy(metric, "Gb");
-		return;
-	} else {
-		*data = (double)bytes;
-		*speed = *data / time;
-		strcpy(metric, "bytes");
-		return;
-	}
-}
-
-void parent(pid_t child, void *mem)
-{
-	struct timeval start, end;
-	uint32_t chunksize;
-	double total = 0;
-	double secs, ddata, dspeed;
-	char metric[16];
-
-	signal(SIGALRM, alarm_handler);
-
-	/* set a default value in shared memory */
-
-	for (chunksize = 256; chunksize <= (64 * 1024); chunksize *= 2) {
-		memset(mem, 0x33, chunksize);
-
-		printf("\tEncrypting in chunks of %d bytes: ", chunksize);
-		fflush(stdout);
-
-		total = 0;
-		must_finish = 0;
-		alarm(5);
-		gettimeofday(&start, NULL);
-
-		do {
-			memcpy(mem, &chunksize, sizeof(chunksize));
-
-			sem_post(enc_sem);
-
-			sem_wait(get_sem);
-			total += chunksize;
-		} while (must_finish == 0);
-
-		gettimeofday(&end, NULL);
-
-		secs = udifftimeval(start, end) / 1000000.0;
-		value2human(total, secs, &ddata, &dspeed, metric);
-		printf("done. %.2f %s in %.2f secs: ", ddata, metric, secs);
-		printf("%.2f %s/sec\n", dspeed, metric);
-	}
-
-}
-
-int main()
-{
-	int shmid, shmid2;
-	char c, *shm, *s, *semmem;
-	pid_t pid;
-
-	signal(SIGUSR1, SIG_IGN);
-	signal(SIGUSR2, SIG_IGN);
-
-	if ((shmid = shmget(IPC_PRIVATE, SHM_SIZE, IPC_CREAT | 0660)) < 0) {
-		perror("shmget fail");
-		return 1;
-	}
-
-	if ((shm = (char *)shmat(shmid, 0, 0)) == (char *)-1) {
-		perror("shmat : parent");
-		return 2;
-	}
-
-	if ((shmid2 =
-	     shmget(IPC_PRIVATE, 2 * sizeof(sem_t), IPC_CREAT | 0660)) < 0) {
-		perror("shmget fail");
-		return 1;
-	}
-
-	if ((semmem = (char *)shmat(shmid2, 0, 0)) == (char *)-1) {
-		perror("shmat : parent");
-		return 2;
-	}
-
-	enc_sem = (void *)semmem;
-	get_sem = (void *)semmem + sizeof(sem_t);
-
-	sem_init(enc_sem, 1, 0);
-	sem_init(get_sem, 1, 0);
-
-	printf("Addresses in parent\n");
-	printf("shared mem: %p\n", shm);
-
-	s = shm;		// s now references shared mem
-	for (c = 'A'; c <= 'Z'; ++c)	// put some info there
-		*s++ = c;
-	*s = '\0';		// terminate the sequence
-
-	switch (pid = fork()) {
-	case -1:
-		perror("fork");
-		return 3;
-	default:
-		parent(pid, shm);
-		kill(pid, SIGTERM);
-		wait(0);	// let the child finish
-		shmdt(shm);
-		shmctl(shmid, IPC_RMID, (struct shmid_ds *)0);
-		break;
-	case 0:
-		child(getppid(), shm);
-		shmdt(shm);
-		break;
-	}
-	return 0;
-}