MINOR: cli: show master information in 'show proc'

Displays the master information in show proc.
diff --git a/include/types/global.h b/include/types/global.h
index be4d7c5..effc51c 100644
--- a/include/types/global.h
+++ b/include/types/global.h
@@ -209,6 +209,8 @@
  */
 struct mworker_proc {
 	int pid;
+	char type;  /* m(aster), w(orker)  */
+	/* 3 bytes hole here */
 	int ipc_fd[2]; /* 0 is master side, 1 is worker side */
 	int relative_pid;
 	int reloads;
@@ -242,6 +244,7 @@
 extern unsigned int warned;     /* bitfield of a few warnings to emit just once */
 extern volatile unsigned long sleeping_thread_mask;
 extern struct list proc_list; /* list of process in mworker mode */
+extern struct mworker_proc *proc_self; /* process structure of current process */
 
 /* bit values to go with "warned" above */
 #define WARN_BLOCK_DEPRECATED       0x00000001
diff --git a/src/cli.c b/src/cli.c
index 24cb2a4..4356586 100644
--- a/src/cli.c
+++ b/src/cli.c
@@ -1399,6 +1399,7 @@
 	struct stream_interface *si = appctx->owner;
 	struct mworker_proc *child;
 	int old = 0;
+	int up = now.tv_sec - proc_self->timestamp;
 
 	if (unlikely(si_ic(si)->flags & (CF_WRITE_ERROR|CF_SHUTW)))
 		return 1;
@@ -1406,13 +1407,16 @@
 	chunk_reset(&trash);
 
 	chunk_printf(&trash, "#%-14s %-15s %-15s %-15s %s\n", "<PID>", "<type>", "<relative PID>", "<reloads>", "<uptime>");
-	chunk_appendf(&trash, "%-15u %-15s %-15u %-15s %s\n", getpid(), "master", 0, "-", "-");
+	chunk_appendf(&trash, "%-15u %-15s %-15u %-15d %dd %02dh%02dm%02ds\n", getpid(), "master", 0, proc_self->reloads, up / 86400, (up % 86400) / 3600, (up % 3600) / 60, (up % 60));
 
 	/* displays current processes */
 
 	chunk_appendf(&trash, "# workers\n");
 	list_for_each_entry(child, &proc_list, list) {
-		int up = now.tv_sec - child->timestamp;
+		up = now.tv_sec - child->timestamp;
+
+		if (child->type != 'w')
+			continue;
 
 		if (child->reloads > 0) {
 			old++;
@@ -1426,7 +1430,11 @@
 	if (old) {
 		chunk_appendf(&trash, "# old workers\n");
 		list_for_each_entry(child, &proc_list, list) {
-			int up = now.tv_sec - child->timestamp;
+			up = now.tv_sec - child->timestamp;
+
+			if (child->type != 'w')
+				continue;
+
 			if (child->reloads > 0)
 				chunk_appendf(&trash, "%-15u %-15s %-15u %-15d %dd %02dh%02dm%02ds\n", child->pid, "worker", child->relative_pid, child->reloads, up / 86400, (up % 86400) / 3600, (up % 3600) / 60, (up % 60));
 		}
@@ -1707,6 +1715,8 @@
 		if (*errtol != '\0')
 			return -1;
 		list_for_each_entry(child, &proc_list, list) {
+			if (child->type != 'w')
+				continue;
 			if (child->pid == proc_pid){
 				return child->pid;
 			}
@@ -1725,6 +1735,8 @@
 		/* chose the right process, the current one is the one with the
 		 least number of reloads */
 		list_for_each_entry(child, &proc_list, list) {
+			if (child->type != 'w')
+				continue;
 			if (child->relative_pid == proc_pid){
 				if (child->reloads == 0)
 					return child->pid;
diff --git a/src/haproxy.c b/src/haproxy.c
index 276652b..225dc69 100644
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -219,7 +219,7 @@
 
 int master = 0; /* 1 if in master, 0 if in child */
 
-struct mworker_proc *proc_self;
+struct mworker_proc *proc_self = NULL;
 
 /* list of the temporarily limited listeners because of lack of resource */
 struct list global_listener_queue = LIST_HEAD_INIT(global_listener_queue);
@@ -540,13 +540,10 @@
 	struct mworker_proc *child;
 
 	list_for_each_entry(child, &proc_list, list) {
-		if (msg)
-			memprintf(&msg, "%s|type=worker;fd=%d;pid=%d;rpid=%d;reloads=%d;timestamp=%d", msg, child->ipc_fd[0], child->pid, child->relative_pid, child->reloads, child->timestamp);
-		else
-			memprintf(&msg, "type=worker;fd=%d;pid=%d;rpid=%d;reloads=%d;timestamp=%d", child->ipc_fd[0], child->pid, child->relative_pid, child->reloads, child->timestamp);
+		memprintf(&msg, "%s|type=%c;fd=%d;pid=%d;rpid=%d;reloads=%d;timestamp=%d", msg ? msg : "", child->type, child->ipc_fd[0], child->pid, child->relative_pid, child->reloads, child->timestamp);
 	}
 	if (msg)
-		setenv("HAPROXY_CHILDREN", msg, 1);
+		setenv("HAPROXY_PROCESSES", msg, 1);
 }
 
 /*
@@ -556,7 +553,7 @@
 {
 	char *msg, *token = NULL, *s1;
 
-	msg = getenv("HAPROXY_CHILDREN");
+	msg = getenv("HAPROXY_PROCESSES");
 	if (!msg)
 		return;
 
@@ -573,7 +570,11 @@
 
 			token = NULL;
 
-			if (strncmp(subtoken, "fd=", 3) == 0) {
+			if (strncmp(subtoken, "type=", 5) == 0) {
+				child->type = *(subtoken+5);
+				if (child->type == 'm') /* we are in the master, assign it */
+					proc_self = child;
+			} else if (strncmp(subtoken, "fd=", 3) == 0) {
 				child->ipc_fd[0] = atoi(subtoken+3);
 			} else if (strncmp(subtoken, "pid=", 4) == 0) {
 				child->pid = atoi(subtoken+4);
@@ -592,7 +593,7 @@
 			free(child);
 	}
 
-	unsetenv("HAPROXY_CHILDREN");
+	unsetenv("HAPROXY_PROCESSES");
 }
 
 /*
@@ -1735,9 +1736,29 @@
 	if (global.mode & MODE_MWORKER) {
 		int proc;
 		struct wordlist *it, *c;
+		struct mworker_proc *tmproc;
+
+		if (getenv("HAPROXY_MWORKER_REEXEC") == NULL) {
+
+			tmproc = malloc(sizeof(*tmproc));
+			if (!tmproc) {
+				ha_alert("Cannot allocate process structures.\n");
+				exit(EXIT_FAILURE);
+			}
+			tmproc->type = 'm'; /* master */
+			tmproc->reloads = 0;
+			tmproc->relative_pid = 0;
+			tmproc->pid = pid;
+			tmproc->timestamp = start_date.tv_sec;
+			tmproc->ipc_fd[0] = -1;
+			tmproc->ipc_fd[1] = -1;
+
+			proc_self = tmproc;
+
+			LIST_ADDQ(&proc_list, &tmproc->list);
+		}
 
 		for (proc = 0; proc < global.nbproc; proc++) {
-			struct mworker_proc *tmproc;
 
 			tmproc = malloc(sizeof(*tmproc));
 			if (!tmproc) {
@@ -1745,6 +1766,7 @@
 				exit(EXIT_FAILURE);
 			}
 
+			tmproc->type = 'w'; /* worker */
 			tmproc->pid = -1;
 			tmproc->reloads = 0;
 			tmproc->timestamp = -1;