1 files changed, 65 insertions, 0 deletions
diff --git a/proc.c b/proc.c
new file mode 100644
index 0000000..bfc6e41
--- /dev/null
+++ b/proc.c
@@ -0,0 +1,65 @@
+#include <sys/types.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdlib.h>
+
+#include "common.h"
+
+Process *
+open_program(char *filename, pid_t pid) {
+	Process *proc;
+	proc = calloc(sizeof(Process), 1);
+	if (!proc) {
+		perror("malloc");
+		exit(1);
+	}
+	proc->filename = strdup(filename);
+	proc->breakpoints_enabled = -1;
+	if (pid) {
+		proc->pid = pid;
+	}
+	breakpoints_init(proc);
+
+	proc->next = list_of_processes;
+	list_of_processes = proc;
+	return proc;
+}
+
+void
+open_pid(pid_t pid) {
+	Process *proc;
+	char *filename;
+
+	if (trace_pid(pid) < 0) {
+		fprintf(stderr, "Cannot attach to pid %u: %s\n", pid,
+			strerror(errno));
+		return;
+	}
+
+	filename = pid2name(pid);
+
+	if (!filename) {
+		fprintf(stderr, "Cannot trace pid %u: %s\n", pid,
+				strerror(errno));
+		return;
+	}
+
+	proc = open_program(filename, pid);
+	continue_process(pid);
+	proc->breakpoints_enabled = 1;
+}
+
+Process *
+pid2proc(pid_t pid) {
+	Process *tmp;
+
+	tmp = list_of_processes;
+	while (tmp) {
+		if (pid == tmp->pid) {
+			return tmp;
+		}
+		tmp = tmp->next;
+	}
+	return NULL;
+}