WIP

user/pctl/Makefile

@@ -0,0 +1,24 @@
+include $(ROOT)/mk/grabsrc.mk
+include ../Makefile.inc
+
+.PHONY: all clean
+
+TARGET := pctl
+
+LDFLAGS += -L$(ROOT)/ulib -l:libulib.a
+
+SRCFILES := $(call GRABSRC, .)
+CFILES := $(call GET_CFILES, $(SRCFILES))
+OBJ := $(call GET_OBJ, $(SRCFILES))
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+all: $(TARGET)
+
+$(TARGET): $(OBJ)
+	$(LD) $^ $(LDFLAGS) -o $@
+	echo $$(realpath $(TARGET)) >> $(FILES)
+
+clean:
+	rm -f $(OBJ) $(TARGET)

user/pctl/main.c

@@ -0,0 +1,30 @@
+#include <stddef.h>
+#include <stdint.h>
+#include <system/system.h>
+#include <sysdefs/processctl.h>
+#include <uprintf.h>
+#include <args/args.h>
+#include <string/string.h>
+#include <util/util.h>
+#include <errors.h>
+
+void main(void) {
+  if (argslen() == 0) {
+    return;
+  }
+
+  char *cmd = args()[0];
+
+  if (string_strcmp(cmd, "ls") == 0) {
+    uint64_t procslen = processctl(-1, PCTL_PLS_SZ, 0, 0, 0);
+    for (size_t i = 0; i < procslen; i++) {
+      ProcStat stat = ZERO(&stat);
+      int32_t r = processctl(-1, PCTL_PLS_STAT, i, (uint64_t)&stat, 0);
+      if (r == E_OK) {
+        uprintf("%-30s %lu %-6s\n", stat.name, stat.pid, stat.kern ? "KERNEL" : "USER");
+      }
+    }
+  } else {
+    uprintf("pctl: unknown command\n");
+  }
+}