Remove ptptime program

ptptime/build/Makefile

-PROG = ptptime
-SRCDIR = ../src
-
-SRCS  = main.c
-
-OBJS = $(SRCS:%.c=%.o)
-
-ifeq ($(DEBUG),)
-CFLAGS = -O2
-else
-CFLAGS = -Og -g -Wall -Wextra
-endif
-
-CFLAGS += -MD -MP
-CFLAGS += -I $(SRCDIR)
-CFLAGS += -std=gnu99
-
-LLIBS = -pthread
-
-vpath %.c $(SRCDIR)
-
-$(PROG): $(OBJS)
-	$(CC) $(LDFLAGS) $(LDIRS) $^ $(LLIBS) -o $@
-
--include $(subst .c,.d,$(SRCS))
-
-clean:
-	$(RM) $(OBJS) $(PROG) $(subst .c,.d,$(SRCS))
-
-.PHONY: clean

ptptime/src/main.c

-/*
- * Get PTP time
- *
- * Large portions taken from cyclictest
- *
- */
-
-#define _GNU_SOURCE
-#include <errno.h>
-#include <error.h>
-#include <inttypes.h>
-#include <limits.h>
-#include <pthread.h>
-#include <sched.h>
-#include <signal.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mman.h>
-#include <time.h>
-#include <unistd.h>
-
-#define NSEC_PER_SEC UINT64_C(1000000000)
-
-// Structs
-
-typedef struct thread_param {
-	int interval;
-	int priority;
-
-} thread_param_t;
-
-// Static functions
-
-static void process_options(int argc, char *argv[]);
-static void add_ns(struct timespec *t, uint64_t ns);
-static uint64_t ts_to_uint(struct timespec t);
-
-// Static variables
-
-static thread_param_t thread_params;
-static uint64_t ptptime;
-
-static void help(char *argv[]) {
-	printf(
-	    "Usage: %s [-h] [-i USEC]\n"
-	    "       -h                    Show help\n"
-	    "       -i USEC               Wake up the real time thread every "
-	    "USEC "
-	    "microseconds (Default: 10ms)\n"
-	    "\n",
-	    argv[0]);
-}
-
-/*
- * Real-time thread: Sends packets at a regular intervall
- */
-static void *packet_sending_thread(void *p) {
-	(void)p;
-	struct timespec next, ptptime_ts;
-	cpu_set_t mask;
-
-	// Set thread CPU affinity
-	CPU_ZERO(&mask);
-	CPU_SET(1, &mask);
-	if (sched_setaffinity(0, sizeof(mask), &mask))
-		error(EXIT_FAILURE, errno,
-		      "Could not set CPU affinity to CPU #1\n");
-
-	clock_gettime(CLOCK_MONOTONIC, &next);
-
-	// Packet sending loop
-	for (;;) {
-		clock_gettime(CLOCK_REALTIME, &ptptime_ts);
-		ptptime = ts_to_uint(ptptime_ts);
-
-		add_ns(&next, thread_params.interval);
-
-		clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &next, NULL);
-	}
-
-	return NULL;
-}
-
-/*
- * Main thread, has non-real time priority
- * Handles the IO and creates the real time thread
- */
-int main(int argc, char *argv[]) {
-	pthread_t thread;
-	struct sched_param param;
-	pthread_attr_t attr;
-
-	// Default configuration values
-	thread_params.interval = 100000 * 1000;
-	thread_params.priority = 99;
-
-	/* Lock all current and future pages from preventing of being paged to
-	 * swap */
-	if (mlockall(MCL_CURRENT | MCL_FUTURE)) {
-		perror("mlockall failed");
-		/* exit(-1) or do error handling */
-	}
-
-	// Process bash options
-	process_options(argc, argv);
-
-	/* Initialize pthread attributes (default values) */
-	if (pthread_attr_init(&attr)) {
-		fprintf(stderr, "init pthread attributes failed\n");
-		exit(EXIT_FAILURE);
-	}
-	/* Set a specific stack size  */
-	if (pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN)) {
-		fprintf(stderr, "pthread setstacksize failed\n");
-		exit(EXIT_FAILURE);
-	}
-	/* Set scheduler policy and priority of pthread */
-	if (pthread_attr_setschedpolicy(&attr, SCHED_FIFO)) {
-		fprintf(stderr, "pthread setschedpolicy failed\n");
-		exit(EXIT_FAILURE);
-	}
-	param.sched_priority = thread_params.priority;
-	if (pthread_attr_setschedparam(&attr, &param)) {
-		fprintf(stderr, "pthread setschedparam failed\n");
-		exit(EXIT_FAILURE);
-	}
-	/* Use scheduling parameters of attr */
-	if (pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED)) {
-		fprintf(stderr, "pthread setinheritsched failed\n");
-		exit(EXIT_FAILURE);
-	}
-
-	// Create the real time thread
-	if (pthread_create(&thread, &attr, packet_sending_thread, NULL))
-		error(EXIT_FAILURE, errno,
-		      "Couldn't create packet sending thread");
-
-	// Verbose loop
-	for (;;) {
-		usleep(1000);
-		printf("%9" PRIu64 ": \n", ptptime);
-		printf("\033[%dA", 1);
-	}
-
-	exit(EXIT_SUCCESS);
-}
-
-// Process bash options
-static void process_options(int argc, char *argv[]) {
-	int network_if_specified = 0;
-
-	for (;;) {
-		int c = getopt(argc, argv, "hi:");
-
-		if (c == -1) break;
-
-		switch (c) {
-			case 'h':
-				help(argv);
-				exit(EXIT_SUCCESS);
-				break;
-			case 'i':
-				thread_params.interval = atoi(optarg) * 1000;
-				break;
-		}
-	}
-}
-
-static void add_ns(struct timespec *t, uint64_t ns) {
-	t->tv_nsec += ns;
-
-	while ((unsigned int)t->tv_nsec >= NSEC_PER_SEC) {
-		t->tv_sec += 1;
-		t->tv_nsec -= NSEC_PER_SEC;
-	}
-}
-static uint64_t ts_to_uint(struct timespec t) {
-	return t.tv_sec * NSEC_PER_SEC + t.tv_nsec;
-}